CN206731175U

CN206731175U - A kind of experimental bench for classroom instruction

Info

Publication number: CN206731175U
Application number: CN201720456850.1U
Authority: CN
Inventors: 邓馨雨
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-04-27
Filing date: 2017-04-27
Publication date: 2017-12-12
Anticipated expiration: 2027-04-27

Abstract

A kind of experimental bench for classroom instruction, including lectern, experimental bench and supporting plate are the utility model is related to, the experimental bench is arranged on the side of the lectern, and supporting plate is inclined at the lower section of the experimental bench；The top of the experimental bench and the lectern is rotatablely connected；One end of supporting plate is rotatably assorted with the one end of the experimental bench away from the lectern, and the side plate of the other end of supporting plate and the lectern is rotatably assorted；The lectern includes pond chamber, and pond chamber is arranged on the side of the lectern；The lower end of the pond chamber is provided with tank, and three water nozzles are provided with the top of tank；Drainpipe is connected with the lower end of the tank, multi-layer filtrating equipment is provided with drainpipe；The delivery port connection sewer pipe of the drainpipe；Exhaust gas absorption device is provided with the lower end of lectern.The beneficial effects of the utility model are：It is easy to use, both facilitated and carried out classroom experiment, and nor affected on other subjects teacher and attend class, experimental waste liquid and exhaust-gas treatment can be carried out in time.

Description

A kind of experimental bench for classroom instruction

Technical field

It the utility model is related to teaching technical field of experiment equipment, more particularly to a kind of experiment for classroom instruction Platform.

Background technology

Chemistry is a subject based on experiment, and bench for chemistry experiment is engaged in teaching and scientific research is essential Auxiliary facility, particularly with being even more important for the teaching of specialty chemical.At present, chemical experiment is mostly in special laboratory Carry out, i.e., special laboratory, but in addition to laboratory, chemistry teacher is when instructing bookish chemical knowledge, i.e., in classroom Or in laboratory, it is also desirable to which book knowledge is demonstrated in chemical experiment, consequently facilitating deepening student impression, improves teaching effect.But It is not make the utensil and experimental bench tested for chemical teacher in existing classroom, chemical teacher needs to test on classroom When, it usually needs with many experiment equipment and experiment reagent, then directly operated on lectern, again by tester after having a class Material and experiment reagent are taken back, very troublesome, and in experimentation and experiment terminate after can not cleaning experiment equipment in time, grasp Make dangerous, it is also possible to lectern can be corroded；And experimental bench does not possess processing work(to caused waste gas, waste water in experimentation Can, easily cause environmental pollution.

Utility model content

Technical problem to be solved in the utility model is to be directed in existing classroom to do classroom experiment without for chemical teacher Experiment equipment and experimental bench the defects of, there is provided a kind of experimental bench for classroom instruction.

The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of experimental bench for classroom instruction, bag Lectern, experimental bench and supporting plate are included, the experimental bench is arranged on the side of the lectern, and the supporting plate is inclined at described The lower section of experimental bench；The top of the experimental bench and the lectern is rotatablely connected；One end of the supporting plate and the experimental bench One end away from the lectern is rotatably assorted, and the side plate of the other end of the supporting plate and the lectern is rotatably assorted；It is described to say Table includes pond chamber, and the pond chamber is arranged on the side of the lectern；The lower end of the pond chamber is provided with tank, in the water The top of groove is provided with three water nozzles；Drainpipe is connected with the lower end of the tank, being provided with multiple filtration in the drainpipe fills Put；The delivery port connection sewer pipe of the drainpipe；Exhaust gas absorption device is provided with the lower end of the lectern.

The beneficial effects of the utility model are：By the way that experimental bench is combined with lectern, and experimental bench passes through supporting plate It is rotatablely connected with lectern, is folding structure, it is not necessary in use, folding up, neither influence each section's purpose teacher Attend class, save space-consuming, also facilitate chemical teacher and do classroom experiment, solve existing classroom inconvenience teacher and do classroom reality The problem of testing；By setting three water nozzles and tank in lectern, teacher is facilitated to clean chemical glass instrument and timely processing reality Waste liquid is tested, solves the problems, such as that waste liquid is unable to timely processing in existing experimentation；It is real that exhaust gas absorption device is used for timely processing Caused waste gas is tested, prevents it from polluting classroom environment, influences teachers and students' health.

On the basis of above-mentioned technical proposal, the utility model can also do following improvement.

Further：The lectern also includes display chamber, main frame chamber and multiple storage chambers, and the display chamber is arranged on institute The upper end of lectern is stated, the main frame chamber and multiple storage chambers are arranged at the lower section of the display chamber；On the display chamber The top plate at end is transparent configuration.

The above-mentioned further beneficial effect of scheme is：Both facilitate teacher to carry out multimedia teaching, and pass through storage chamber, Ke Yifang Various conventional chemical experimental instruments and reagent are put, solving teacher and attending class needs to carry many experiments instrument and reagent, time-consuming The problem of laborious.

Further：The exhaust gas absorption device includes blower fan and emission-control equipment, the gas outlet of the blower fan with it is described The air inlet of emission-control equipment is connected by pipeline, and the air inlet of the blower fan is connected with air-suction cover by air intake duct, described The gas outlet of emission-control equipment is connected with blast pipe.

The above-mentioned further beneficial effect of scheme is：For absorbing waste gas in time.

Further：The blast pipe is telescopic folding pipe.

The above-mentioned further beneficial effect of scheme is：It is easy to use, the position of air-suction cover can be adjusted as needed, do not made It used time, can be folded, not interfere with teacher and attend class, save space.

Further：The multi-layer filtrating equipment includes semi-transparent film layer, counter-infiltration film layer and PP cotton layers setting up and down successively.

The above-mentioned further beneficial effect of scheme is：Multistage purification filtration treatment is carried out to experiment wastewater, prevents its pollution Environment, reach sewer discharge standard.

Further：Air-suction cover clamping device, the air-suction cover clamping device and institute are provided with the upper surface of the experimental bench Experimental bench is stated to be slidably matched.

The above-mentioned further beneficial effect of scheme is：For fixing air-suction cover.

Further：The air-suction cover clamping device includes sliding block, expansion link and holder, one end of the expansion link and institute State sliding block to be rotatablely connected by bolt, the other end of the expansion link is fixedly connected with the holder；In the experimental bench Upper surface is provided with the chute being engaged with the sliding block；Clamp nut is provided with the both ends of the bolt.

The above-mentioned further beneficial effect of scheme is：It is convenient to be adjusted according to the position of air-suction cover by setting sliding block and chute The position of whole air-suction cover clamping device, holder is used to fix air-suction cover, by setting clamp nut and bolt, is stretched for fixation Contracting bar, do not needing in use, air-suction cover clamping device can also be folded up.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the structural representation of the utility model air-suction cover clamping device；

In accompanying drawing, the component names representated by each label are as follows：

100th, lectern, 110, universal wheel, 120, pond chamber, 121, filter screen, 122, tank, 123, three water nozzles, 124, on End casing, 125, Drip rack, 130, display chamber, 131, top plate, 140, main frame chamber, 150, storage chamber, 200, drainpipe, 210, Multi-layer filtrating equipment, 211, semi-transparent film layer, 212, counter-infiltration film layer, 213, PP cotton layers, 300, experimental bench, 310, arc groove, 320th, chute, 400, air-suction cover clamping device, 410, holder, 420, expansion link, 430, sliding block, 500, supporting plate, 600, useless Aspiration receiving apparatus, 610, air-suction cover, 620, air intake duct, 630, blower fan, 640, emission-control equipment, 650, blast pipe.

Embodiment

Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality It is new, it is not intended to limit the scope of the utility model.

As shown in figure 1, a kind of experimental bench for classroom instruction, it includes lectern 100, experimental bench 300 and supporting plate 500, the experimental bench 300 is arranged on the side of the lectern 100, and the supporting plate 500 is inclined at the experimental bench 300 Lower section；The top of the experimental bench 300 and the lectern 100 is rotatablely connected；One end of the supporting plate 500 and the experiment The one end of platform 300 away from the lectern 100 is rotatably assorted, and the side plate of the other end of the supporting plate 500 and the lectern 100 turns It is dynamic to coordinate.

The supporting plate 500 is made up of two pieces of support scoreboards being hinged, and facilitates folding tests platform 300.The experiment Platform 300 is provided with arc groove 310 in the position close to the lectern 100, and the solution for preventing from missing in experimentation flows to lectern 100, lectern 100 is caused to damage.

The lectern 100 includes pond chamber 120, and the pond chamber 120 is arranged on the side of the lectern 100；The water The lower end of cell cavity 120 is provided with tank 122, is provided with three water nozzles 123 in the top of the tank 122, the three water nozzle 123 connects Connect municipal water sources；Drainpipe 200 is connected with the lower end of the tank 122, multi-layer filtrating equipment is provided with the drainpipe 200 210, the multi-layer filtrating equipment 210 includes semi-transparent film layer 211, counter-infiltration film layer 212 and PP cotton layers setting up and down successively 213；The delivery port connection sewer pipe of the drainpipe 200；Exhaust gas absorption device 600 is provided with the lower end of the lectern 100.

By setting the three water nozzle 123 and the tank 122, facilitate teacher to wash one's hands, clean chemical experiment glass instrument Device topples over waste liquid caused by chemical experiment, and waste liquid caused by chemical experiment is at the filtration, purification by multi-layer filtrating equipment After reason, reach the flat discharge standard of sewer, environment will not be polluted and destroyed.

Drip rack 125 is equipped with the both sides of the three water nozzle 123, the Drip rack 125 is removably arranged on institute On the inwall for stating pond chamber 120.By setting the chemical experiment glass apparatus such as the Drip rack 125, test tube, beaker after cleaning It can be placed on the Drip rack 125, for the water droplet inside drip-dry chemical experiment glass apparatus, the water droplet of drippage can be direct Fall into tank 122, it is simple and convenient without collecting in addition.

The upper end cover plate 124 of the pond chamber 120 for turnover cover plate, the pond chamber 120 close to blackboard side, positioned at institute The part for stating the top of tank 122 is not provided with side plate, it is necessary to during using three water nozzles 123 and Drip rack 125, only need to open turnover Cover plate, it is not necessary to also facilitate teacher to place article in use, closing turnover cover plate, it is easy to use.

The bottom of the tank 122 is provided with discharge outlet, and filter screen 121, the bottom of the tank 122 are provided with the discharge outlet Plate is easy to current smoothly to flow into discharge outlet to being obliquely installed at the discharge outlet；The discharge outlet connects with the drainpipe 200 It is logical.

The lectern 100 also includes display chamber 130, main frame chamber 140 and multiple storage chambers 150, the display chamber 130 The upper end of the lectern 100 is arranged on, the main frame chamber 140 and multiple storage chambers 150 are arranged at the display chamber 130 Lower section；The top plate 131 of the upper end of display chamber 130 is transparent configuration.

The display chamber 130 is used for placement display and keyboard, and the main frame chamber 140 is used to place host computer, side Just teacher carries out multimedia teaching；Multiple storage chambers 150 be used for place conventional chemical experiment equipment, as rack for test tube, Drug shelf, Beaker, alcolhol burner, fixed mount etc., the teaching equipment that chalk, blackboard eraser or other subjects need can also be placed, teacher is upper Class hour, avoid the need for carrying substantial amounts of experiment equipment and experiment reagent, need to only carry inside classroom without time saving province Power.

Storage chamber 150 for being placed with the harmful reagent such as toxic chemical or strong acid and strong base class, in storage chamber 150 On be provided with coded lock, only teacher could open reagent of taking, prevent student by mistake take cause danger.

The exhaust gas absorption device 600 includes blower fan 630 and emission-control equipment 640, the gas outlet of the blower fan 630 with The air inlet of the emission-control equipment 640 is connected by pipeline, and the air inlet of the blower fan 630 is connected by air intake duct 620 There is air-suction cover 610, the gas outlet of the emission-control equipment 640 is connected with blast pipe 650.In the emission-control equipment 640 Provided with the metal beehive filter core for scribbling noble metal catalyst.

The lower end of lectern 100 is provided with fan switch button, for switching blower fan 630, carries out waste gas absorption or complete Into waste gas absorption.The blower fan 630 is axial fan or centrifugal fan.

The blast pipe 650 is telescopic folding pipe, in use, need to only stretch blast pipe 650, places it in experimental bench 300 top, caused waste gas during absorption experiment, prevent from polluting the air ambient in classroom, it is not necessary in use, will row Tracheae 650, which shrinks, to be folded, and is saved space, is not influenceed the upper teaching of other subjects teacher.

Be provided with air-suction cover clamping device 400 in the upper surface of the experimental bench 300, the air-suction cover clamping device 400 with The experimental bench 300 is slidably matched.

As shown in Fig. 2 the air-suction cover clamping device 400 includes sliding block 430, expansion link 420 and holder 410, it is described One end of expansion link 420 is rotatablely connected with the sliding block 430 by bolt, the other end and the clamping of the expansion link 420 Part 410 is fixedly connected；The chute 320 being engaged with the sliding block 430 is provided with the upper surface of the experimental bench 300；Described The both ends of bolt are respectively equipped with clamp nut, and the clamp nut is arranged on the front and rear sides of the sliding block 430.The holder 410 be Flexible clamp, for fixing air-suction cover 610.

In use, adjusting the length of expansion link 420 and the position of sliding block 430 as needed, holder 410 is set to clamp Firmly air-suction cover 610；When not in use, clamp nut is unclamped, shortens expansion link 420, and expansion link 420 is folded, is then tightened tight Gu nut is fixed.

The experimental bench 300 is made up of ABS material, improves the performances such as the waterproof of experimental bench 300, fire prevention, acid and alkali-resistance, prolongs The service life of experimental bench 300 is grown.

Multiple universal wheels 110 are provided with the bottom of the lectern 100, lectern 100 is flexibly may move；It is each described universal Locking device is equipped with wheel 110, for fixing it when lectern 100 is static, its slip is prevented, adds lectern 100 and exist Stability when static.

Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in Within the scope of shield.

Claims

A kind of 1. experimental bench for classroom instruction, it is characterised in that：Including lectern (100), experimental bench (300) and supporting plate (500), the experimental bench (300) is arranged on the side of the lectern (100), and the supporting plate (500) is inclined at described The lower section of experimental bench (300)；The experimental bench (300) and the top of the lectern (100) are rotatablely connected；The supporting plate (500) one end is rotatably assorted with the one end of the experimental bench (300) away from the lectern (100), the supporting plate (500) The other end and the side plate of the lectern (100) are rotatably assorted；The lectern (100) includes pond chamber (120), the pond chamber (120) it is arranged on the side of the lectern (100)；The lower end of the pond chamber (120) is provided with tank (122), in the tank (122) top is provided with three water nozzles (123)；Drainpipe (200), the draining are connected with the lower end of the tank (122) Multi-layer filtrating equipment (210) is provided with pipe (200)；The delivery port connection sewer pipe of the drainpipe (200)；In the lectern (100) lower end is provided with exhaust gas absorption device (600).
A kind of 2. experimental bench for classroom instruction according to claim 1, it is characterised in that：The lectern (100) is also wrapped Display chamber (130), main frame chamber (140) and multiple storage chambers (150) are included, the display chamber (130) is arranged on the lectern (100) upper end, the main frame chamber (140) and multiple storage chambers (150) are arranged at the lower section of the display chamber (130)； The top plate (131) of display chamber (130) upper end is transparent configuration.
A kind of 3. experimental bench for classroom instruction according to claim 1, it is characterised in that：The exhaust gas absorption device (600) blower fan (630) and emission-control equipment (640), gas outlet and the emission-control equipment of the blower fan (630) are included (640) air inlet is connected by pipeline, and the air inlet of the blower fan (630) is connected with air-suction cover by air intake duct (620) (610), the gas outlet of the emission-control equipment (640) is connected with blast pipe (650).
A kind of 4. experimental bench for classroom instruction according to claim 3, it is characterised in that：The blast pipe (650) is Telescopic folding pipe.
A kind of 5. experimental bench for classroom instruction according to claim 1, it is characterised in that：The multi-layer filtrating equipment (210) semi-transparent film layer (211), counter-infiltration film layer (212) and PP cottons layer (213) setting up and down successively are included.
A kind of 6. experimental bench for classroom instruction according to claim 1, it is characterised in that：In the experimental bench (300) Upper surface be provided with air-suction cover clamping device (400), the air-suction cover clamping device (400) is slided with the experimental bench (300) Coordinate.
A kind of 7. experimental bench for classroom instruction according to claim 6, it is characterised in that：The air-suction cover clamping device (400) sliding block (430), expansion link (420) and holder (410), one end and the sliding block of the expansion link (420) are included (430) it is rotatablely connected by bolt, the other end of the expansion link (420) is fixedly connected with the holder (410)；Described The upper surface of experimental bench (300) is provided with the chute (320) being engaged with the sliding block (430)；It is provided with the both ends of the bolt Clamp nut.