CN112107119A

CN112107119A - Teaching platform convenient for chemical experiment

Info

Publication number: CN112107119A
Application number: CN201910539544.8A
Authority: CN
Inventors: 武天兵; 刘文平; 任俐萍
Original assignee: Wu Tianbin
Current assignee: Wu Tianbin
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-12-22

Abstract

The invention discloses a teaching platform convenient for chemical experiments, which comprises a desktop, wherein one end of the top of the desktop is fixedly connected with an outer tube, the inner wall of the outer tube is connected with an inner tube in a sliding manner, the outer wall of the inner tube is provided with threads, the top of the inner tube is communicated with an operation chamber, the operation chamber comprises a bottom plate, a side plate and a top plate, the top plate is rotatably connected with the side plate, the side plate is a high-transparency glass plate, operation grooves are uniformly formed in the outer side of the side plate, rubber gloves are communicated with the inner side of the operation grooves, and a filter groove is formed in the desktop. This teaching podium of chemistry experiment conveniently carries out keeps apart the operation when the experiment, avoids misoperation to cause splashing of chemical articles for use to cause the damage to the human body, can avoid the gaseous direct discharge that the chemistry experiment produced to influence the problem of health after being absorbed by the human body, can prevent simultaneously that this book from spreading out the problem that the back is easily turned over the page or leaf by blowing.

Description

Teaching platform convenient for chemical experiment

Technical Field

The invention relates to the technical field of education supplies, in particular to a teaching platform convenient for chemical experiments.

Background

The platform is a platform higher than the ground, and people who give a lecture or give a lecture stand on the platform and are also proper nouns of teachers, China pays more and more attention to education career along with the general development of economy, and education equipment is more and more in types, not only has a simple structure, but also is convenient to operate. But current podium simple structure can't carry out isolation protection when doing the chemical experiment, and the gas that the chemical experiment produced can influence human health after being absorbed by the human body, is blown easily and turns over the page after the textbook is opened by wind simultaneously.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a teaching platform convenient for chemical experiments, and solves the problems that the existing platform is simple in structure, cannot be isolated and protected during chemical experiments, gas generated by the chemical experiments can affect human health after being absorbed by human bodies, and meanwhile, pages are easy to be blown by wind after textbooks are spread out.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a conveniently carry out teaching podium of chemistry experiment, includes the desktop, the top one end fixedly connected with outer tube of desktop, the inner wall sliding connection of outer tube has the inner tube, the outer wall of inner tube is provided with the screw thread, the top intercommunication of inner tube has the control chamber, the control chamber includes bottom plate, curb plate and roof, the roof rotates with the curb plate to be connected, the curb plate is the high glass board that passes through, the operation groove has evenly been seted up in the outside of curb plate, the inboard intercommunication in operation groove has rubber gloves, the rose tank has been seted up to the inside of desktop, rose tank and outer tube intercommunication, suction fan and filter core are installed to the inner wall bottom of rose tank, the air outlet and the filter core intercommunication of suction fan, the air outlet has been seted up to one side of desktop, air outlet and rose tank intercommunication, the table leg is.

Preferably, the top end of the outer side of the outer tube is provided with a lifting block, the lifting block penetrates through the outer tube, the position of the outer side of the inner tube, which is positioned in the lifting block, is in threaded connection with a driving block, the inner part of the driving block is provided with a thread groove matched with the inner pipe, the outer wall of the driving block is provided with a gear groove, one end of the top of the inner wall of the lifting block, which is far away from the driving block, is rotatably connected with a first bevel gear through a bracket, the rotating shaft of the first bevel gear penetrates through the lifting block and extends to the outside of the lifting block, one end of the rotating shaft of the first bevel gear, which is positioned at the outside of the lifting block, is fixedly connected with a rotating handle, a second bevel gear is rotatably connected between the two sides of the inner wall of the lifting block and is in transmission connection with the first bevel gear, and a transmission gear is fixedly connected to the outer side of the rotating shaft of the second bevel gear and is in transmission connection with the driving block.

Preferably, the two ends of the top of the bottom plate are both provided with wire collecting grooves, the bottom of the inner wall of each wire collecting groove is fixedly connected with an automatic wire collecting device, and one end of each automatic wire collecting device is connected with the rubber gloves.

Preferably, the top of the inner pipe penetrates through the operation chamber and extends to the inside of the operation chamber, and the metal mesh is fixedly connected to the top of the inner pipe.

Preferably, the bottom both ends of roof all fixedly connected with fixed block, the draw-in groove with fixed block looks adaptation is seted up at the top of curb plate.

Preferably, a control groove is formed in one side of the desktop, a power supply and a single chip microcomputer are fixedly connected to the bottom of the inner wall of the control groove, and the power supply, the single chip microcomputer, the suction fan and the automatic wire rewinding device are electrically connected.

Preferably, the top of the table top is an inclined surface, and a transverse block is fixedly connected to one side, far away from the outer pipe, of the top of the table top.

Preferably, the top of the desktop is close to the position of the transverse block and is fixedly connected with a circular truncated cone, the top of the circular truncated cone is rotatably connected with a support, and a fixing strip is rotatably connected between two sides of the inner wall of the support.

Preferably, the bottom of the fixing strip is fixedly connected with the table top through a spring.

Preferably, one end of the fixing strip, which is far away from the support, is fixedly connected with a rubber block.

(III) advantageous effects

The invention provides a teaching platform convenient for chemical experiments. The method has the following beneficial effects:

(1) this teaching podium that conveniently carries out chemistry experiment, top one end fixedly connected with outer tube through the desktop, the inner wall sliding connection of outer tube has the inner tube, the outer wall of inner tube is provided with the screw thread, the top intercommunication of inner tube has the control chamber, the control chamber includes bottom plate, curb plate and roof, the roof rotates with the curb plate to be connected, the curb plate is the high glass board that passes through, the operation groove has evenly been seted up in the outside of curb plate, the inboard intercommunication in operation groove has rubber gloves, puts into the laboratory with the laboratory utensil after opening the roof inside, covers the operation of roof back both hands from rubber gloves department, can keep apart the operation when the experiment, avoids misoperation to cause splashing of chemical products to cause the damage to the human body.

(2) This conveniently carry out teaching podium of chemical experiment has seted up the filter-tank through the inside of desktop, filter-tank and outer tube intercommunication, suction fan and filter core are installed to the inner wall bottom of filter-tank, the air outlet and the filter core intercommunication of suction fan, the air outlet has been seted up to one side of desktop, air outlet and filter-tank intercommunication begin work through single chip microcomputer control suction fan after carrying out the chemical experiment, and the suction fan inhales the experimental gas that produces in the control chamber in the filter-tank, discharge from the air outlet after the filter core filters, can avoid the gaseous direct discharge that the chemical experiment produced to influence the problem of health after being absorbed by the human body.

(3) This conveniently carry out teaching podium of chemical experiment, the top through the desktop is the inclined plane, one side fixedly connected with horizontal block of outer tube is kept away from at the top of desktop, and the top of desktop is close to the position fixedly connected with round platform of horizontal block, the top of round platform is rotated and is connected with the support, rotate between the inner wall both sides of support and be connected with the fixed strip, the bottom of fixed strip is passed through spring and desktop fixed connection, and the one end fixedly connected with rubber piece of support is kept away from to the fixed strip, will put in the top of horizontal block after the textbook is opened, will lift the fixed strip and put on the textbook of opening, will lift the fixed strip when needing to turn over the page, turn over the fixed textbook of fixed strip after turning over the page, can prevent that the textbook is opened the back and is blown easily.

Drawings

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

FIG. 2 is a schematic view of the structure of the operation chamber of the present invention;

FIG. 3 is a schematic view of the lifting device of the present invention;

FIG. 4 is a schematic structural view of a fixing device according to the present invention.

In the figure: 1-tabletop, 2-outer tube, 3-inner tube, 4-operation chamber, 5-bottom plate, 6-side plate, 7-top plate, 8-operation groove, 9-rubber glove, 10-filter groove, 11-suction fan, 12-filter core, 13-air outlet, 14-table leg, 15-lifting block, 16-driving block, 17-first umbrella gear, 18-rotating handle, 19-second umbrella gear, 20-transmission gear, 21-wire collecting groove, 22-automatic wire collector, 23-metal net, 24-fixing block, 25-clamping groove, 26-control groove, 27-power supply, 28-single chip microcomputer, 29-cross block, 30-round table, 31-support, 32-fixing strip, 33-spring, etc, 34-rubber block.

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. 1-4, the present invention provides a technical solution: a teaching platform convenient for chemical experiments comprises a desktop 1, wherein one end of the top of the desktop 1 is fixedly connected with an outer tube 2, the inner wall of the outer tube 2 is connected with an inner tube 3 in a sliding manner, the outer wall of the inner tube 3 is provided with threads, the top of the inner tube 3 is communicated with an operation chamber 4, the operation chamber 4 comprises a bottom plate 5, a side plate 6 and a top plate 7, the top plate 7 is rotatably connected with the side plate 6, the side plate 6 is a high-transmittance glass plate, the outer side of the side plate 6 is uniformly provided with operation grooves 8, the inner side of the operation grooves 8 is communicated with rubber gloves 9, experimental tools are placed into the operation chamber 4 after the top plate 7 is opened, after the top plate 7 is covered, two hands operate from the rubber gloves 9, isolation operation can be carried out during experiments, chemical articles are prevented from splashing to damage a human body due to operation errors, a filter tank 10 is arranged in the desktop 1, the filter tank 10 is communicated, air outlet and filter core 12 intercommunication of suction fan 11, air outlet 13 has been seted up to one side of desktop 1, air outlet 13 and filter-tank 10 intercommunication, carry out the chemistry experiment back and control the suction fan 11 through singlechip 28 and begin work, suction fan 11 inhales the experimental gas that produces in the control chamber 4 in the filter-tank 10, discharge from air outlet 13 after filter core 12 filters, can avoid the gaseous direct discharge that the chemistry experiment produced to influence the problem of health after being absorbed by the human body, table leg 14 is evenly installed to the bottom of desktop 1.

The outer side top end of the outer tube 2 is provided with a lifting block 15, the lifting block 15 penetrates through the outer tube 2, the outer side of the inner tube 3, which is positioned inside the lifting block 15, is in threaded connection with a driving block 16, the inside of the driving block 16 is provided with a thread groove matched with the inner tube 3, the outer wall of the driving block 16 is provided with a gear groove, one end of the top of the inner wall of the lifting block 15, which is far away from the driving block 16, is in rotational connection with a first umbrella-shaped gear 17 through a bracket, the rotating shaft of the first umbrella-shaped gear 17 penetrates through the lifting block 15 and extends to the outside of the lifting block 15, one end of the rotating shaft of the first umbrella-shaped gear 17, which is positioned outside the lifting block 15, is fixedly connected with a rotating handle 18, a second umbrella-shaped gear 19 is rotationally connected between two sides of the inner wall of the lifting block 15, the second umbrella-shaped gear 19 is in transmission connection with the, the operating room 4 needs to be lifted up and down, so that students can conveniently watch the experiment while rotating the rotating handle 18, the first bevel gear 17 drives the second bevel gear 19 to rotate, the transmission gear 20 on the rotating shaft of the second bevel gear 19 rotates along with the second bevel gear 19, the transmission gear 20 drives the lifting block 15 to rotate, and the lifting block 15 drives the inner tube 3 to rotate and lift up the operating room 4.

Wire receiving grooves 21 are formed in two ends of the top of the bottom plate 5, automatic wire collectors 22 are fixedly connected to the bottoms of the inner walls of the wire receiving grooves 21, and one ends of the automatic wire collectors 22 are connected with the rubber gloves 9.

The top of the inner pipe 3 penetrates the operation chamber 4 and extends to the inside of the operation chamber 4, and a metal mesh 23 is fixedly connected to the top of the inner pipe 3.

The bottom both ends of roof 7 all fixedly connected with fixed block 24, the draw-in groove 25 with the 24 looks adaptations of fixed block is seted up at the top of curb plate 6.

A control groove 26 is formed in one side of the desktop 1, a power supply 27 and a single chip microcomputer 28 are fixedly connected to the bottom of the inner wall of the control groove 26, and the power supply 27 and the single chip microcomputer 28 are electrically connected with the suction fan 11 and the automatic wire rewinding device 22.

The top of the table top 1 is an inclined surface, and a cross block 29 is fixedly connected to one side of the top of the table top 1, which is far away from the outer pipe 2.

The top of the table top 1 is fixedly connected with a circular truncated cone 30 at a position close to the cross block 29, the top of the circular truncated cone 30 is rotatably connected with a bracket 31, and a fixing strip 32 is rotatably connected between two sides of the inner wall of the bracket 31.

The bottom of the fixing strip 32 is fixedly connected with the desktop 1 through the spring 33, the textbook is spread out and placed above the cross block 29, the fixing strip 32 is lifted up and placed on the spread out textbook, the fixing strip 32 is lifted up when the page needs to be turned, the fixing strip 32 is put down after the page is turned, the textbook is fixed, and the problem that the page is easily blown and turned after the textbook is spread out can be solved.

The end of the fixing strip 32 away from the bracket 31 is fixedly connected with a rubber block 34.

During operation, open inside putting into control chamber 4 with the laboratory glassware after roof 7, cover roof 7 back both hands from rubber gloves 9 operation, control suction fan 11 through singlechip 28 behind the chemistry experiment and begin work, suction fan 11 inhales the experimental gas that produces in the control chamber 4 in the filter-tank 10, discharge from air outlet 13 after filtering through filter core 12, put in the top of horizontal block 29 after opening the textbook stand, lift fixed strip 32 and put on the textbook of stand out, lift fixed strip 32 when needing to turn over the page, it can to put down fixed textbook of fixed strip 32 after turning over the page.

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.

Claims

1. The utility model provides a conveniently carry out teaching podium of chemical experiment, includes desktop (1), its characterized in that: the table top comprises a table top body (1), an outer tube (2) is fixedly connected to one end of the top of the table top body (1), an inner tube (3) is connected to the inner wall of the outer tube (2) in a sliding mode, threads are arranged on the outer wall of the inner tube (3), an operation chamber (4) is communicated with the top of the inner tube (3), the operation chamber (4) comprises a bottom plate (5), a side plate (6) and a top plate (7), the top plate (7) is rotatably connected with the side plate (6), the side plate (6) is a high-transparency glass plate, an operation groove (8) is uniformly formed in the outer side of the side plate (6), rubber gloves (9) are communicated with the inner side of the operation groove (8), a filter groove (10) is formed in the table top body (1), the filter groove (10) is communicated with the outer tube (2), a suction fan (11) and a filter element (12) are installed at the bottom of the inner, an air outlet (13) is formed in one side of the desktop (1), the air outlet (13) is communicated with the filter tank (10), and table legs (14) are uniformly arranged at the bottom of the desktop (1).

2. The teaching podium of claim 1, wherein: the outer tube is characterized in that a lifting block (15) is installed at the top end of the outer side of the outer tube (2), the lifting block (15) penetrates through the outer tube (2), a driving block (16) is connected to the position, located inside the lifting block (15), of the outer side of the inner tube (3) in a threaded mode, a thread groove matched with the inner tube (3) is formed in the driving block (16), a gear groove is formed in the outer wall of the driving block (16), one end, far away from the driving block (16), of the top of the inner wall of the lifting block (15) is connected with a first umbrella-shaped gear (17) in a rotating mode through a support, the rotating shaft of the first umbrella-shaped gear (17) penetrates through the lifting block (15) and extends to the outside of the lifting block (15), a rotating handle (18) is fixedly connected to one end, located outside the lifting block (15), of the rotating shaft of the first umbrella-shaped gear (17), and a second umbrella-shaped gear, the second umbrella-shaped gear (19) is in transmission connection with the first umbrella-shaped gear (17), a transmission gear (20) is fixedly connected to the outer side of a rotating shaft of the second umbrella-shaped gear (19), and the transmission gear (20) is in transmission connection with the driving block (16).

3. The teaching podium of claim 1, wherein: wire receiving grooves (21) are formed in two ends of the top of the bottom plate (5), automatic wire collectors (22) are fixedly connected to the bottoms of the inner walls of the wire receiving grooves (21), and one ends of the automatic wire collectors (22) are connected with the rubber gloves (9).

4. The teaching podium of claim 1, wherein: the top of the inner pipe (3) penetrates through the operation chamber (4) and extends to the inside of the operation chamber (4), and a metal net (23) is fixedly connected to the top of the inner pipe (3).

5. The teaching podium of claim 1, wherein: the bottom both ends of roof (7) all fixedly connected with fixed block (24), draw-in groove (25) with fixed block (24) looks adaptation are seted up at the top of curb plate (6).

6. The teaching podium of claim 3, wherein: control groove (26) have been seted up to one side of desktop (1), the inner wall bottom fixedly connected with power (27) and singlechip (28) of control groove (26), equal electric connection between power (27) and singlechip (28) and suction fan (11) and automatic spooler (22).

7. The teaching podium of claim 1, wherein: the top of the table top (1) is an inclined surface, and a cross block (29) is fixedly connected to one side, far away from the outer pipe (2), of the top of the table top (1).

8. The teaching podium of claim 7, wherein: the position fixedly connected with round platform (30) that the top of desktop (1) is close to horizontal piece (29), the top of round platform (30) is rotated and is connected with support (31), it is connected with fixed strip (32) to rotate between the inner wall both sides of support (31).

9. The teaching podium of claim 8, wherein: the bottom of the fixing strip (32) is fixedly connected with the table top (1) through a spring (33).

10. The teaching podium of claim 8, wherein: one end of the fixing strip (32) far away from the support (31) is fixedly connected with a rubber block (34).