CN112916560A

CN112916560A - A external dust recovery device for chemistry experiment room

Info

Publication number: CN112916560A
Application number: CN202110245608.0A
Authority: CN
Inventors: 陆燕
Original assignee: Yiwu Chengbian Trade Co ltd
Current assignee: Yiwu Chengbian Trade Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-06-08

Abstract

The invention relates to the field of experimental equipment, and discloses an external dust recovery device for a chemical laboratory, which comprises a recovery box, wherein a sliding cavity which penetrates through the recovery box from top to bottom is arranged in the recovery box, a one-way communication plate is fixedly connected between two walls on the upper side of the sliding cavity, two walls on the lower side of the sliding cavity are respectively and fixedly provided with a supporting plate which is positioned on the lower side of a transmission cavity, the upper end surface of the supporting plate is rotatably connected with a lead screw, a lifting box which can slide up and down is arranged in the sliding cavity, an air inlet cavity is arranged in the lifting box, air outlet cavities which are upwards opened and are symmetrical from side to side are communicated with the upper side of the air inlet cavity, turning plate limiting cavities are communicated with one side of the two air outlet. This recovery unit separates the dust that produces in the experimental result from the gas that produces through utilizing inertia, and then guarantees the accuracy of experimental result.

Description

A external dust recovery device for chemistry experiment room

Technical Field

The invention relates to the technical field of experimental equipment, in particular to an external dust recovery device for a chemical laboratory.

Background

Experimental equipment is equipment used in concrete experiments of natural science, is mainly used in physics, chemistry and biology, is an essential part for carrying out experiments, and has self-evident importance.

Among the current chemical experiment, for example in the magnesium experiment of burning, because the gaseous loss that produces can take away the dust of partly production when causing the injury to the experimenter, and then lead to the experimental result error to appear, and these errors need other experiments to detect, and are comparatively loaded down with trivial details, and in case the secondary experiment deviation appears, will influence the final result of experiment.

Disclosure of Invention

The external dust recovery device for the chemical laboratory is simple and convenient to use, and solves the problem that the accuracy of a chemical experiment result is deviated due to physical properties.

The invention provides the following technical scheme: an external dust recovery device for a chemical laboratory comprises a recovery box, wherein a vertically-penetrating sliding cavity is arranged in the recovery box, a one-way communication plate is fixedly connected between two walls of the upper side of the sliding cavity, two walls of the lower side of the sliding cavity are respectively and fixedly provided with a supporting plate positioned on the lower side of a transmission cavity, the upper end face of the supporting plate is rotatably connected with a lead screw, a lifting box capable of sliding up and down is arranged in the sliding cavity, an air inlet cavity is arranged in the lifting box, the upper side of the air inlet cavity is communicated with an air outlet cavity which is upwards opened and is bilaterally symmetrical, the air outlet cavities on two sides are mutually close to one side and are communicated with a turnover plate limiting cavity, the inner walls of the air outlet cavities on two sides far away from one side are hinged with a turnover plate, the turnover plate mutually close to one side end face and extend into the turnover plate, the lead screw spout both sides intercommunication is equipped with and presss from both sides tight slider chamber, both sides the lead screw up end extends to the lead screw intracavity, it is equipped with clamping device to press from both sides tight slider intracavity.

Carefully, one-way intercommunication board can with the sliding cavity upside is sealed, the intercommunication of sliding cavity both sides is equipped with the transmission chamber, both sides the transmission chamber lower wall internal fixation is equipped with motor power, motor power upper end power extends to respectively just power connection has the driving gear in the transmission chamber, the fixed cover of lead screw excircle facial features downside is equipped with driven gear.

Carefully selecting, be equipped with the powder outlet cavity hole that runs through and the equidistance array from top to bottom in turning over the board, the powder outlet cavity hole is close to turn over board rotation axis one side inner wall and be equipped with the closed slider chamber, the sliding of closed slider intracavity is equipped with the closed slider, the closed slider is kept away from turn over board rotation axis one side fixedly connected with closed slide, the closed slider is close to turn over board rotation axis one side with fixedly connected with closed slider spring between the closed slider intracavity wall, turn over board rotation axis department both sides terminal surface with give vent to anger between the intracavity wall fixed fit and be equipped with torsion spring, torsion spring can make it is in the horizontality to turn over the.

Carefully, clamping device is including sliding to locate press from both sides tight slider in the tight slider intracavity, press from both sides tight slider and be close to lead screw one side fixedly connected with thread block, thread block is close to lead screw a side end face with threaded connection between the outer disc of lead screw, press from both sides tight slider and keep away from lead screw one side end face with press from both sides fixedly connected with clamping spring between the tight slider intracavity wall, press from both sides tight slider intracavity and keep away from lead screw one side inner wall internal fixation is equipped with and presss from both sides tight electro-magnet.

Carefully selecting, fixedly connected with holds the power spring between the lift case up end with one-way intercommunication board lower extreme face, the fixed elastic rubber that is equipped with of end face under the collection box, the collection box can pass through the elastic rubber cover is in the experimental apparatus outside, the fixed shock attenuation gasket that is equipped with of lead screw up end.

Carefully, the intake chamber downside intercommunication is equipped with the inlet port of seting up downwards, the fixed block that is equipped with between the inlet port two walls, be equipped with in the inlet port can be in the gliding lift shell of fixed block from top to bottom, the fixed stationary blade that is equipped with of terminal surface under the lift shell, the stationary blade up end with fixedly connected with fixed spring between the terminal surface under the fixed block, be equipped with the scavenge port that runs through in the lift shell, the scavenge port enables the gaseous intercommunication of both sides about the lift shell, the fixed block can with the scavenge port seals, intake chamber both sides intercommunication is equipped with the air outlet cavity that is located the lead screw chamber upside, lift case both sides fixedly connected with just to the coupling hose in air outlet cavity.

Carefully, sliding chamber one side intercommunication is equipped with the collection chamber, it is equipped with the extraction tube to collect chamber downside intercommunication, the extraction tube communicates in the external world and takes out from the device.

The invention has the following beneficial effects:

1. according to the invention, the lifting box can rapidly slide downwards through the spring, so that the flow of air flow is accelerated, the air flow flows into the device relatively, and other substances are effectively prevented from entering the experimental device to influence the experiment.

2. The dust separation device can periodically separate and collect dust in gas generated after an experiment, protect experimenters, limit the backflow angle of the gas flow during dust separation, prevent the gas flow from driving the dust to backflow, and improve the separation efficiency.

3. The invention can rapidly recover the separated dust, and no external other substances enter the whole process, thereby effectively preventing the dust from reacting with other substances and influencing the experimental result.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

FIG. 2 is an enlarged view of the point A in FIG. 1;

FIG. 3 is an enlarged view of the point B in FIG. 1;

FIG. 4 is an enlarged view of FIG. 1 at C;

FIG. 5 is a schematic view of the structure of the lifting shell part of the present invention;

FIG. 6 is a schematic structural view of the flap portion of the present invention.

In the figure: 11. a recycling bin; 12. a sliding cavity; 13. a transmission cavity; 14. a power motor; 15. a driving gear; 16. a support plate; 17. a driven gear; 18. a screw rod; 19. a one-way communication plate; 20. a lifting box; 21. a screw cavity; 22. a screw rod chute; 23. clamping the slider cavity; 24. clamping the sliding block; 25. a clamping spring; 26. clamping the electromagnet; 27. a thread block; 28. a connecting hose; 29. an air outlet cavity; 30. an air inlet cavity; 31. an air inlet; 32. a fixed block; 33. a lifting shell; 34. a ventilation hole; 35. a fixing sheet; 36. fixing the spring; 37. an air outlet cavity; 38. a turnover plate limiting cavity; 39. turning over a plate; 40. a torsion spring; 41. sealing the slide block cavity; 42. closing the slide block; 43. a closed slider spring; 44. sealing the sliding plate; 45. a power storage spring; 46. a shock-absorbing pad; 47. a collection chamber; 49. a powder outlet cavity hole; 50. an extraction tube; 51. an elastic rubber.

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an external dust recycling device for a chemical laboratory comprises a recycling bin 11, a sliding cavity 12 penetrating through the recycling bin 11 up and down is arranged in the recycling bin 11, a one-way communication plate 19 is fixedly connected between two walls on the upper side of the sliding cavity 12, two walls on the lower side of the sliding cavity 12 are respectively and fixedly provided with a support plate 16 positioned on the lower side of a transmission cavity 13, the upper end surface of the support plate 16 is rotatably connected with a screw rod 18, a lifting box 20 capable of sliding up and down is arranged in the sliding cavity 12, an air inlet cavity 30 is arranged in the lifting box 20, an air outlet cavity 37 which is upward opened and is symmetrical left and right is communicated with the upper side of the air inlet cavity 30, a turning plate limiting cavity 38 is communicated with one side of the air outlet cavities 37 on two sides close to each other, a turning plate 39 is hinged to the inner wall of the air outlet cavity 37 on, the turnover plate limiting cavity 38 can limit the turnover plate 39 to turn upwards by fifteen degrees, when the turnover plate 39 is turned to an upper limit position, the air outlet cavity 37 can be communicated with the air inlet cavity 30, the two sides of the air inlet cavity 30 are provided with screw rod cavities 21, the lower side of the screw rod cavity 21 is communicated with a screw rod chute 22 which is formed downwards, the two sides of the screw rod chute 22 are communicated with a clamping slide block cavity 23, the upper end surfaces of the screw rods 18 at the two sides extend into the screw rod cavity 21, a clamping device 101 is arranged in the clamping slide block cavity 23, and the clamping device 101 can control the lifting box 20 to slide upwards or downwards through meshing or separation between the clamping device 101 and the screw rods 18.

Wherein, one-way intercommunication board 19 can with the 12 upside in slip chamber are sealed, the intercommunication in 12 both sides in slip chamber is equipped with transmission chamber 13, both sides transmission chamber 13 lower wall internal fixation is equipped with motor power 14, motor power 14 upper end power extends to respectively in the transmission chamber 13 and power connection have driving gear 15, the fixed cover of the outer disc downside of lead screw 18 is equipped with driven gear 17.

Wherein, the turning plate 39 is internally provided with powder outlet holes 49 which penetrate through up and down and are arrayed at equal intervals, the inner wall of one side of the powder outlet hole 49 close to the rotating axis of the turning plate 39 is provided with a closed slide block cavity 41, a closed slide block 42 is arranged in the closed slide block cavity 41 in a sliding manner, one side of the closed slide block 42 far away from the rotating axis of the turning plate 39 is fixedly connected with a closed slide plate 44, a closed slide block spring 43 is fixedly connected between one side of the closed slide block 42 close to the rotating axis of the turning plate 39 and the inner wall of the closed slide block cavity 41, two side end faces at the rotating axis of the turning plate 39 and the inner wall of the air outlet cavity 37 are fixedly matched and provided with a torsion spring 40, the torsion spring 40 can enable the turning plate 39 to be in a horizontal state, when the turning plate 39 is turned over thirty degrees upwards, at the, thereby causing the closure slide 44 to open the powder outlet chamber aperture 49.

The clamping device 101 comprises a clamping slide block 24 arranged in a clamping slide block cavity 23 in a sliding mode, the clamping slide block 24 is close to a thread block 27 fixedly connected to one side of the screw rod 18, the thread block 27 is close to the end face of one side of the screw rod 18 and is in threaded connection with the outer circular face of the screw rod 18, the clamping slide block 24 is far away from the end face of one side of the screw rod 18 and a clamping spring 25 fixedly connected between the inner walls of the clamping slide block cavity 23, the clamping slide block cavity 23 is far away from a clamping electromagnet 26 fixedly arranged in the inner wall of one side of the screw rod 18, and the clamping electromagnet 26 can enable the thread block 27 to be separated from the screw rod 18.

The upper end face of the lifting box 20 and the lower end face of the one-way communication plate 19 are fixedly connected with a force accumulation spring 45, when the thread block 27 is separated from the screw rod 18, the force accumulation spring 45 enables the lifting box 20 to slide downwards quickly, the lower end face of the recovery box 11 is fixedly provided with elastic rubber 51, the recovery box 11 can be sleeved outside the experimental device through the elastic rubber 51, the upper end face of the screw rod 18 is fixedly provided with a damping gasket 46, and the damping gasket 46 can damp impact force between the upper wall of the screw rod cavity 21 and the screw rod 18.

Wherein, the lower side of the air inlet cavity 30 is communicated with an air inlet hole 31 opened downwards, a fixed block 32 is fixedly arranged between two walls of the air inlet hole 31, a lifting shell 33 capable of sliding up and down in the fixed block 32 is arranged in the air inlet hole 31, the lower end surface of the lifting shell 33 is fixedly provided with a fixed plate 35, a fixed spring 36 is fixedly connected between the upper end surface of the fixed plate 35 and the lower end surface of the fixed block 32, thereby being capable of preventing the lifting shell 33 from shaking when sliding up and down, a ventilation hole 34 penetrating through is arranged in the lifting shell 33, the ventilation hole 34 is capable of communicating air at the upper side and the lower side of the lifting shell 33, the fixed block 32 is capable of sealing the ventilation hole 34, the two sides of the air inlet cavity 30 are communicated with an air outlet cavity 29 positioned at the upper side of the screw rod cavity 21, and the two sides of the lifting box 20 are, the connecting hose 28 can lead out the gas in the gas outlet cavity 29.

Wherein, sliding chamber 12 one side intercommunication is equipped with collects chamber 47, it is equipped with extraction tube 50 to collect chamber 47 downside intercommunication, extraction tube 50 communicates and takes out from the device in the external world, takes out from the device can with dust adsorbs in sliding chamber 12 and passes through extraction tube 50 derives, and then retrieves.

The working principle is as follows: the user wraps the recycling bin 11 at the exhaust outlet on the outer side of the experimental device through the elastic rubber 51, and then collects the gas generated in the experiment, at this time, the power motor 14 is started, the power motor 14 drives the driving gear 15 to rotate, the driving gear 15 drives the driven gear 17 to rotate through the gear tooth meshing, and then drives the screw rod 18 to rotate, the screw rod 18 drives the screw block 27 to move upwards through the screw thread, the screw block 27 drives the lifting bin 20 to slide upwards through the clamping slide block 24, the lifting bin 20 drives the fixing block 32 to slide upwards synchronously and compress the force storage spring 45, the fixing block 32 drives the fixing block 35 to slide upwards through the fixing spring 36, and then drives the lifting shell 33 to slide upwards synchronously, when the lifting bin 20 slides to the upper limit position, the clamping electromagnet 26 is powered on, the clamping electromagnet 26 makes the two adjacent clamping slide blocks 24 be away from each other through the magnetic force, the clamping slide, at this time, the thread block 27 is separated from the screw rod 18, the lifting box 20 is rapidly slid downwards by the force storage spring 45 through elasticity, at this time, the fixing piece 35 is slid upwards relatively due to the downward acceleration, the fixing piece 35 drives the lifting shell 33 to slide upwards relatively and compress the fixing spring 36, the lifting shell 33 drives the ventilating hole 34 to slide upwards, the fixing piece 32 cannot seal the ventilating hole 34, the ventilating hole 34 enables the gas generated by the experimental device to flow into the air inlet cavity 30 uniformly and sufficiently through the air inlet hole 31, meanwhile, the turning plate 39 is turned upwards and the torsion spring 40 is twisted tightly due to the downward acceleration, when the turning plate 39 is turned to the upper limit position in the turning plate limit cavity 38, at this time, the sealing slide block 42 drives the sealing slide plate 44 to slide downwards due to the weight and compress the sealing slide block spring 43, the sealing slide plate 44 opens the powder outlet cavity hole 49, because the inertia of the dust is larger than the inertia of the gas, and then make the dust and the gas separation in the chamber 30 of admitting air and fly off upside in sliding chamber 12, because turn over the spacing chamber 38 restriction of board and turn over the board 39 and can only overturn thirty degrees, and then make the air current gyration angle be one hundred fifty degrees, prevent that the air current from driving the dust backward flow, separation efficiency is improved, at this moment, separated gas flows lift box 20 through going out air cavity 29, and then discharge through coupling hose 28, convenient to use person handles, prevent in its loss reoccurrence, influence user's healthy, at this moment, when lift box 20 slides again to lower extreme position, external extraction device takes out the dust rapidly and derives through extraction tube 50, convenient to use person retrieves, prevent the dust and other material reactions, influence the experimental result.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an external dust recovery device for chemistry experiment room, includes collection box (11), its characterized in that: a sliding cavity (12) which penetrates through the recovery box (11) up and down is arranged in the recovery box, a one-way communication plate (19) is fixedly connected between two walls on the upper side of the sliding cavity (12), two walls on the lower side of the sliding cavity (12) are respectively and fixedly provided with a supporting plate (16) which is positioned on the lower side of the transmission cavity (13), the upper end face of the supporting plate (16) is rotatably connected with a screw rod (18), a lifting box (20) which can slide up and down is arranged in the sliding cavity (12), an air inlet cavity (30) is arranged in the lifting box (20), air outlet cavities (37) which are upwards arranged and are symmetrical left and right are communicated with each other are arranged on the upper side of the air inlet cavity (30), the air outlet cavities (37) on two sides are mutually close to one side and are communicated with a turnover plate limiting cavity (38), the inner walls on two sides of the air outlet cavities (37), the turnover plate limiting cavity (38) can limit the turnover plate (39) to turn upwards by fifteen degrees, the turnover plate (39) can communicate the air outlet cavity (37) with the air inlet cavity (30) when turning to an upper limit position, the two sides of the air inlet cavity (30) are provided with screw rod cavities (21), the lower side of each screw rod cavity (21) is communicated with a screw rod sliding groove (22) which is formed downwards, the two sides of each screw rod sliding groove (22) are communicated with clamping slide block cavities (23), the upper end faces of the screw rods (18) extend into the screw rod cavities (21), a clamping device (101) is arranged in each clamping slide block cavity (23), and the clamping device (101) can be used for controlling the lifting box (20) to slide upwards or downwards through engagement or separation between the screw rods (18).

2. An external dust recycling device for chemical laboratories as claimed in claim 1, wherein: one-way intercommunication board (19) can with slip chamber (12) upside is sealed, slip chamber (12) both sides intercommunication is equipped with transmission chamber (13), both sides transmission chamber (13) lower wall internal fixation is equipped with motor power (14), motor power (14) upper end power extends to respectively in transmission chamber (13) and power connection have driving gear (15), the fixed cover of disc downside is equipped with driven gear (17) outside lead screw (18).

3. An external dust recycling device for chemical laboratories as claimed in claim 1, wherein: the powder discharging device is characterized in that powder discharging cavity holes (49) which penetrate through the turning plate (39) up and down and are arrayed at equal intervals are arranged in the turning plate (39), a closed sliding block cavity (41) is arranged on the inner wall of one side, close to the rotating axis of the turning plate (39), of the powder discharging cavity holes (49), a closed sliding block (42) is arranged in the closed sliding block cavity (41) in a sliding mode, a closed sliding plate (44) is fixedly connected to one side, away from the rotating axis of the turning plate (39), of the closed sliding block (42), a closed sliding block spring (43) is fixedly connected between one side, close to the rotating axis of the turning plate (39), of the closed sliding block cavity (41), two side end faces of the rotating axis of the turning plate (39) and the inner wall of the air discharging cavity (37) in a fixed matching mode are provided with torsion springs (40), the torsion springs (40) can, at the moment, the component force of the weight of the closed sliding plate (44) and the closed sliding block (42) along the inclined plane is greater than the elastic force of the closed sliding block spring (43), so that the closed sliding plate (44) opens the powder outlet cavity hole (49).

4. An external dust recycling device for chemical laboratories as claimed in claim 1, wherein: clamping device (101) are located including sliding press from both sides tight slider (24) in tight slider chamber (23), it is close to press from both sides tight slider (24) lead screw (18) one side fixedly connected with thread block (27), thread block (27) are close to lead screw (18) a side terminal surface with threaded connection between the outer disc of lead screw (18), press from both sides tight slider (24) and keep away from lead screw (18) a side terminal surface with fixedly connected with clamping spring (25) between tight slider chamber (23) inner wall, press from both sides tight slider chamber (23) and keep away from lead screw (18) one side inner wall internal fixation is equipped with and presss from both sides tight electro-magnet (26), press from both sides tight electro-magnet (26) and can make through magnetic force thread block (27) with break away from between lead screw (18).

5. An external dust recycling device for chemical laboratories as claimed in claim 4, wherein: lifting box (20) up end with fixedly connected with holds power spring (45) between one-way intercommunication board (19) lower terminal surface, work as screw block (27) with during lead screw (18) separation, hold power spring (45) and enable lifting box (20) quick lapse, the fixed elastic rubber (51) that is equipped with of terminal surface under collection box (11), collection box (11) can pass through elastic rubber (51) cover is in the experimental apparatus outside, lead screw (18) up end is fixed and is equipped with shock attenuation gasket (46), shock attenuation gasket (46) can be right lead screw chamber (21) upper wall with impact force between lead screw (18) is cushioned.

6. An external dust recycling device for chemical laboratories as claimed in claim 5, wherein: an air inlet (31) which is downwards opened is communicated with the lower side of the air inlet cavity (30), a fixed block (32) is fixedly arranged between two walls of the air inlet (31), a lifting shell (33) which can slide up and down in the fixed block (32) is arranged in the air inlet (31), a fixed plate (35) is fixedly arranged on the lower end surface of the lifting shell (33), a fixed spring (36) is fixedly connected between the upper end surface of the fixed plate (35) and the lower end surface of the fixed block (32) so as to prevent the lifting shell (33) from shaking when sliding up and down, a through ventilation hole (34) is arranged in the lifting shell (33), the ventilation hole (34) can communicate the air on the upper side and the lower side of the lifting shell (33), the fixed block (32) can seal the ventilation hole (34), and air outlet cavities (29) which are positioned on the upper side of the screw rod cavity (21) are communicated with the two sides of the air, lifting box (20) both sides fixedly connected with just right with connecting tube (28) of gas outlet cavity (29), connecting tube (28) can with gas in the gas outlet cavity (29) is derived.

7. An external dust recycling device for chemical laboratories as claimed in claim 1, wherein: sliding chamber (12) one side intercommunication is equipped with collects chamber (47), it is equipped with extraction tube (50) to collect chamber (47) downside intercommunication, extraction tube (50) communicate and take out from the device in the external world, take out from the device can with dust adsorbs and passes through in sliding chamber (12) extraction tube (50) are derived, and then retrieve.