CN106952534A - A kind of experimental provision for science teaching - Google Patents

A kind of experimental provision for science teaching Download PDF

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Publication number
CN106952534A
CN106952534A CN201710348087.5A CN201710348087A CN106952534A CN 106952534 A CN106952534 A CN 106952534A CN 201710348087 A CN201710348087 A CN 201710348087A CN 106952534 A CN106952534 A CN 106952534A
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CN
China
Prior art keywords
test tube
installing plate
electric rotating
brush
controller
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Pending
Application number
CN201710348087.5A
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Chinese (zh)
Inventor
吴恒宇
华斯琦
张世纪
Original Assignee
吴恒宇
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 吴恒宇 filed Critical 吴恒宇
Priority to CN201710348087.5A priority Critical patent/CN106952534A/en
Publication of CN106952534A publication Critical patent/CN106952534A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00Teaching not covered by other main groups of this subclass

Abstract

The invention discloses a kind of experimental provision for science teaching, including base, test tube airing component, test tube cleaning assembly, start-stop button, power supply and controller are provided with base, the test tube cleaning assembly includes test tube and rotates holding structure and test tube cleaning machine structure, the input connection of pressure sensor and controller in test tube standing groove, telescopic cylinder, electric rotating machine II and the water solenoid valve of test tube cleaning machine structure are connected with the output end of controller respectively, and power supply is powered by start-stop button to controller.High degree of automation of the present invention, avoid and manually clean because hand makes test tube drop and the generation of deterioration extent by mistake, test tube use time is improved, and teaching and administrative staff is without direct haptoreaction residue, it is to avoid harm of the residue to human body, the present invention serves as objective table when teacher is demonstrated simultaneously, all kinds of test tubes are placed, after the completion of demonstration, rinsing table are used as, one-object-many-purposes, dramatically improve the utilization rate of the present invention.

Description

A kind of experimental provision for science teaching
Technical field
The invention belongs to experimental facilities aid technical field, and in particular to a kind of experiment for science teaching is filled Put.
Background technology
Test tube is the conventional instrument in laboratory, serves as the reaction vessel of a small amount of reagent, is used in normal temperature or heating. In the teaching process of biological or chemical, teacher is frequently necessary to carry out teaching demonstration with multiple test tubes, carries out the examination of teaching demonstration Pipe, teacher is usually that the solution for directly crossing reaction in test tube falls to abandon in pail for used dressings, and test tube is temporarily placed on teaching desk, Terminate Manual-cleaning test tube of taking away again Deng classroom, moreover, because test tube is more during cleaning, clean comparatively laborious, and easily Break, cause goods and materials to waste, and reactant also has certain infringement to itself, there is potential safety hazard to the healthy of teacher.
The content of the invention
The present invention is to solve the test tube that existing experimental teaching is used manually is cleaned, clean cumbersome, be easily broken and deposit In the technical problem of potential safety hazard, so that providing one kind can clean automatically, reduce test tube spoilage and safe and reliable be used to manage The experimental provision of section's teaching.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows:
A kind of experimental provision for science teaching, including base, are provided with test tube airing component, test tube cleaning group on base Part, start-stop button, power supply and controller, the test tube cleaning assembly include test tube and rotate holding structure and test tube cleaning machine Structure, the support shaft of test tube cleaning machine structure is arranged in the sleeve pipe of test tube rotation holding structure, and the water filling plug of test tube cleaning machine structure The test tube standing groove rotated with brush with test tube in holding structure on test tube storing board is corresponding;Pressure in test tube standing groove The input connection of sensor and controller, telescopic cylinder, electric rotating machine II and the water solenoid valve difference of test tube cleaning machine structure It is connected with the output end of controller, power supply is powered by start-stop button to controller.
The test tube airing component includes support bar and dries plate, dries plate and is fixed on post upper, and is drying plate Outer circle wall on be provided with some arc grooves.The arc groove is to be obliquely installed so that be placed in arc groove Test tube mouth down, is easy to dry, and will not contact foreign matter.
Slipmat is installed in arc groove.The setting of slipmat can effectively prevent that test tube from sliding.
The test tube rotation holding structure includes electric rotating machine I, sleeve, test tube storing board, driving gear and driven gear, Electric rotating machine I is arranged on base, and the output shaft of electric rotating machine I is connected with driving gear, and the bottom of sleeve is arranged on base The upper and rotation on base, is provided with test tube storing board in the upper end of sleeve, some test tubes is provided with test tube storing board and are put Groove is put, pressure sensor is installed in the bottom of test tube standing groove;The position being located in sleeve below test tube storing board is provided with Driven gear, driven gear is meshed with driving gear;The support shaft of test tube cleaning machine structure sequentially passes through downwards test tube storing board It is fixed on sleeve on base.
The outer circle wall of the driven gear includes region of engagement and smooth areas, and region of engagement is meshed with driving gear.Engagement Area dorsad user, smooth areas is avoided that tooth is damaged to human body towards user, the gear of this structure, it is to avoid due to making User touches and is scratched by mistake.
The test tube cleaning machine structure includes telescopic cylinder, rinses installing plate, water filling plug, electric rotating machine II, brush and support Axle;Mounting groove is provided with support shaft, telescopic cylinder is arranged in mounting groove and the piston rod of telescopic cylinder is with rinsing installing plate It is fixedly connected, the upper end for rinsing installing plate is provided with water filling port;Water filling port is communicated with rinsing the aqueduct in installing plate, is noted Water plug is arranged on the lower end for rinsing installing plate and communicated by water solenoid valve with aqueduct;Electric rotating machine II, which is arranged on, to be rinsed On installing plate and the output shaft of electric rotating machine II is passed down through flushing installing plate and is connected with brush, the brush and water filling plug are distinguished It is corresponding with test tube standing groove.
The brush includes being provided with some bristle mounting grooves on brush body, the outer circle wall of brush body, and bristle installing plate is slided It is arranged in bristle mounting groove, bristle is arranged on bristle installing plate.Bristle is removably mounted on brush body, makes certain Bristle infringement can individually pull down replacing, reduce maintenance cost, improve the service life of equipment.
Test tube after use is placed in the test tube standing groove on test tube storing board by the present invention, is cleaned when desired When, controller detects the status signal of start-stop button, and control telescopic cylinder stretched by rinse installing plate stretch downwards Water filling plug is set to enter in test tube, and the detection signal of combination pressure sensor, controller makes to open with water solenoid valve, makes water delivery Water in passage is flowed into test tube from water filling plug, and after water flowing certain time, controller closes water solenoid valve, stops supplying water, And allow telescopic cylinder to drive flushing installing plate to set back, water filling plug is left test tube.After telescopic cylinder is stopped, controller Control electric rotating machine I to rotate the angle value of setting, brush is in test tube on same straight line, telescopic cylinder is then controlled again Stretched, brush is inserted in test tube, and start electric rotating machine II, brush is in vitro rotated, carry out cleaning test tube.Rotation Rotating motor II is rotated after setting time, and controller makes the shutdown of electric rotating machine II, and makes telescopic cylinder drive flushing installing plate to recover Original position, makes brush leave test tube, and presses start-stop button to be powered off.User pours out flushing liquor and by after cleaning manually Test tube, which is inverted to be placed in arc groove, to be dried.To prevent from not washing clean clearly once, cleaning can be repeated several times.It is of the invention automatic Change degree is high, it is to avoid artificial cleaning makes test tube drop and the generation of deterioration extent by mistake due to hand, improves test tube use time, and And teaching and administrative staff is without direct haptoreaction residue, it is to avoid harm of the residue to human body, while the present invention is carried out in teacher Objective table is served as during demonstration, all kinds of test tubes are placed, after the completion of demonstration, as rinsing table, one-object-many-purposes dramatically improve this The utilization rate of invention.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 dries the structural representation of plate for the present invention.
Fig. 3 is the structural representation of driven gear of the present invention.
Fig. 4 is the structural representation of test tube storing board of the present invention.
Fig. 5 rinses the structural representation of installing plate for the present invention.
Fig. 6 is the structural representation of brush of the present invention.
Embodiment
As shown in figures 1 to 6, a kind of experimental provision for science teaching, including base 1, test tube is provided with base 1 Component, test tube cleaning assembly, start-stop button 4, power supply 5 and controller 6 are dried, the test tube airing component includes support bar 2-1 and plate 2-2 is dried, dry plate 2-2 and be fixed on support bar 2-1 upper ends, and if being provided with the outer circle wall for drying plate 2-2 Dry arc groove 2-3.The arc groove is to be obliquely installed so that is placed on the test tube mouth down in arc groove, is easy to dry in the air It is dry, and foreign matter will not be contacted.
To prevent that test tube from sliding, slipmat is installed in arc groove 2-2.
The test tube cleaning assembly includes test tube and rotates holding structure and test tube cleaning machine structure, the support of test tube cleaning machine structure Axle is arranged in the sleeve pipe of test tube rotation holding structure, and the water filling plug 3-6 and brush 3-8 of test tube cleaning machine structure revolve with test tube Test tube standing groove 3-3-1 in unloading laying mechanism on test tube storing board 3-3 is corresponding;Pressure in test tube standing groove 3-3-1 is passed Sensor 3-9 is connected with the input of controller 6, telescopic cylinder 3-4, the 3-7 of electric rotating machine II of test tube cleaning machine structure and goes out water power Output end of the magnet valve respectively with controller 6 is connected, and power supply 5 is powered by start-stop button 4 to controller 6.
In the present embodiment, some air vents, air vent and test tube mounting groove 3-3-1 are provided with test tube storing board 3-3 Communicate, the contact area of increase test tube mounting groove and air provides the space that cools for the test tube that has temperature.
Specifically, the test tube rotation holding structure includes the 3-1 of electric rotating machine I, sleeve 3-2, test tube storing board 3-3, master Moving gear 3-10 and driven gear 3-11, to avoid being scratched because user touches by mistake, the driven gear 3-11's is cylindrical Perisporium includes region of engagement and smooth areas, and region of engagement is meshed with driving gear.Region of engagement dorsad user, smooth areas is towards using Person, the gear of this structure is avoided that tooth is damaged to human body.The 3-1 of electric rotating machine I is arranged on base 1, and electric rotating machine I 3-1 output shaft is connected with driving gear 3-10, and sleeve 3-2 bottom is arranged on base 1 and rotated on base 1, in set Cylinder 3-2 upper end is provided with test tube storing board 3-3, and some test tube standing groove 3-3-1 are provided with test tube storing board 3-3, Test tube standing groove 3-3-1 bottom is provided with pressure sensor 3-9;It is located at the position below test tube storing board 3-3 in sleeve 3-2 Driven gear 3-11 is installed, driven gear 3-11 is meshed with driving gear 3-10;The support shaft 3-12 of test tube cleaning machine structure Sequentially pass through test tube storing board 3-3 downwards and sleeve 3-2 is fixed on base 1.
The test tube cleaning machine structure includes telescopic cylinder 3-4, rinses installing plate 3-5, water filling plug 3-6, the 3- of electric rotating machine II 7th, brush 3-8 and support shaft 3-12;Mounting groove 3-12-1 is provided with support shaft 3-12, telescopic cylinder 3-4 is arranged on mounting groove In 3-12-1 and telescopic cylinder 3-4 piston rod is fixedly connected with rinsing installing plate 3-5, set in flushing installing plate 3-5 upper end It is equipped with water filling port 3-5-1;Water filling port 3-5-1 is communicated with rinsing the aqueduct 3-5-2 in installing plate 3-5, and water filling plug 3-6 is installed Rinsing installing plate 3-5 lower end and communicated by water solenoid valve 3-13 with aqueduct 3-5-2;The 3-7 of electric rotating machine II pacifies Mounted in rinsing that installing plate 3-5 is upper and output shaft of the 3-7 of electric rotating machine II is passed down through and rinses installing plate 3-5 and be connected with brush 3-8, The brush 3-8 and water filling plug 3-6 are corresponding with test tube standing groove 3-3-1 respectively.
Preferably, the brush 3-8 includes being provided with some bristle peaces on brush body 3-8-1, brush body 3-8-1 outer circle wall Tankage 3-8-2, bristle installing plate 3-8-3 is slidably arranged in bristle mounting groove 3-8-2, and bristle 3-8-4 is arranged on bristle installation On plate 3-8-3.Bristle is removably mounted on brush body, and replacing can individually be pulled down by damaging the bristle of certain, reduction maintenance Expense, improves the service life of equipment.
Water filling port and external water source are connected, and the test tube after use is placed on the test tube on test tube storing board 3-3 In standing groove 3-3-1, when wanting to be cleaned, controller 6 detects the status signal of start-stop button 4, and controls flexible gas Cylinder, which is stretched to rinse installing plate and stretch downwards, makes water filling plug enter in test tube, and the detection signal of combination pressure sensor, Controller opens corresponding water solenoid valve, the water in water transport channel is flowed into from water filling plug in test tube, the timing of water flowing one Between after, controller closes water solenoid valve, stop supply water, and allow telescopic cylinder drive rinse installing plate setting back, make note Water plug leaves test tube.After telescopic cylinder is stopped, controller control electric rotating machine I rotate setting angle value, make brush with Test tube is on same straight line, and then control telescopic cylinder is stretched again, brush is inserted in test tube, and start electric rotating Machine II, makes brush in vitro rotate, and carries out cleaning test tube.Electric rotating machine II is rotated after setting time, and controller makes electric rotating Machine II is shut down, and makes telescopic cylinder drive flushing installing plate to set back, and brush is left test tube, and press start-stop button progress Power-off.Flushing liquor is poured out manually and be inverted to be placed in arc groove by the test tube after cleaning by user to be dried.To prevent Do not wash clean clearly once, can be repeated several times cleaning.

Claims (7)

1. a kind of experimental provision for science teaching, it is characterised in that:Including base(1), in base(1)On be provided with test tube Dry component, test tube cleaning assembly, start-stop button(4), power supply(5)And controller(6), the test tube cleaning assembly includes Test tube rotates holding structure and test tube cleaning machine structure, and the support shaft of test tube cleaning machine structure is arranged on the set that test tube rotates holding structure In pipe, and the water filling plug of test tube cleaning machine structure(3-6)And brush(3-8)With test tube storing board in test tube rotation holding structure (3-3)On test tube standing groove(3-3-1)It is corresponding;Test tube standing groove(3-3-1)Interior pressure sensor(3-9)With controller (6)Input connection, test tube rotate holding structure electric rotating machine I(3-1), test tube cleaning machine structure telescopic cylinder(3-4)、 Electric rotating machine II(3-7)With magnetic valve respectively with controller(6)Output end connection, power supply(5)Pass through start-stop button(4) To controller(6)Power supply.
2. the experimental provision according to claim 1 for science teaching, it is characterised in that:The test tube airing component bag Include support bar(2-1)With dry plate(2-2), dry plate(2-2)It is fixed on support bar(2-1)Upper end, and drying plate(2-2)'s Some arc grooves are provided with outer circle wall(2-3).
3. the experimental provision according to claim 2 for science teaching, it is characterised in that:In arc groove(2-3)It is interior Slipmat is installed.
4. the experimental provision according to claim 1 for science teaching, it is characterised in that:The test tube rotates storage machine Structure includes electric rotating machine I(3-1), sleeve(3-2), test tube storing board(3-3), driving gear(3-10)And driven gear(3- 11), electric rotating machine I(3-1)Installed in base(1)On, and electric rotating machine I(3-1)Output shaft and driving gear(3-10)Even Connect, sleeve(3-2)Bottom be arranged on base(1)Above and in base(1)It is upper to rotate, in sleeve(3-2)Upper end examination is installed Pipe storing board(3-3), in test tube storing board(3-3)On be provided with some test tube standing grooves(3-3-1), in test tube standing groove(3- 3-1)Bottom pressure sensor is installed(3-9);In sleeve(3-2)Positioned at test tube storing board(3-3)Install the position of lower section There is driven gear(3-11), driven gear(3-11)With driving gear(3-10)It is meshed;The support shaft of test tube cleaning machine structure(3- 12)Sequentially pass through test tube storing board downwards(3-3)And sleeve(3-2)It is fixed on base(1)On.
5. the experimental provision according to claim 4 for science teaching, it is characterised in that:The driven gear(3-11) Outer circle wall include region of engagement and smooth areas, region of engagement is meshed with driving gear.
6. the experimental provision for science teaching according to claim 1 or 4, it is characterised in that:The test tube cleaning machine Structure includes telescopic cylinder(3-4), rinse installing plate(3-5), water filling plug(3-6), electric rotating machine II(3-7), brush(3-8)And branch Support axle(3-12);Support shaft(3-12)On be provided with mounting groove(3-12-1), telescopic cylinder(3-4)Installed in mounting groove(3-12- 1)Interior and telescopic cylinder(3-4)Piston rod with rinse installing plate(3-5)It is fixedly connected, is rinsing installing plate(3-5)Upper end It is provided with water filling port(3-5-1);Water filling port(3-5-1)With rinsing installing plate(3-5)Interior aqueduct(3-5-2)Communicate, note Water plug(3-6)Installed in flushing installing plate(3-5)Lower end and pass through water solenoid valve(3-13)With aqueduct(3-5-2)Phase It is logical;Electric rotating machine II(3-7)Installed in flushing installing plate(3-5)Upper and electric rotating machine II(3-7)Output shaft be passed down through punching Wash installing plate(3-5)With brush(3-8)Connection, the brush(3-8)And water filling plug(3-6)Respectively with test tube standing groove(3-3- 1)It is corresponding.
7. the experimental provision according to claim 6 for science teaching, it is characterised in that:The brush(3-8)Including Brush body(3-8-1), brush body(3-8-1)Outer circle wall on be provided with some bristle mounting grooves(3-8-2), bristle installing plate(3- 8-3)It is slidably arranged in bristle mounting groove(3-8-2)It is interior, bristle(3-8-4)It is arranged on bristle installing plate(3-8-3)On.
CN201710348087.5A 2017-05-17 2017-05-17 A kind of experimental provision for science teaching Pending CN106952534A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710348087.5A CN106952534A (en) 2017-05-17 2017-05-17 A kind of experimental provision for science teaching

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Application Number Priority Date Filing Date Title
CN201710348087.5A CN106952534A (en) 2017-05-17 2017-05-17 A kind of experimental provision for science teaching

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CN106952534A true CN106952534A (en) 2017-07-14

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108160638A (en) * 2017-12-19 2018-06-15 重庆骄直电气有限公司 Test tube cleaning machine
CN109741671A (en) * 2019-01-17 2019-05-10 毛钿 A kind of unburnt experimental demonstration device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203991566U (en) * 2014-07-29 2014-12-10 山东省农业科学院玉米研究所 A kind of use for laboratory test tube cleaning device
CN204091297U (en) * 2014-07-31 2015-01-14 宁波市鄞州坚兴刷业有限公司 A kind of cleaning brush
CN205869004U (en) * 2016-06-29 2017-01-11 哈尔滨华藻生物科技开发有限公司 Cleaning device for test tube
CN106493138A (en) * 2016-11-16 2017-03-15 安徽师范大学 A kind of step-by-step movement test tube washing device
CN106513395A (en) * 2016-12-20 2017-03-22 谷新运 Coaxial type medical test tube cleaning device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203991566U (en) * 2014-07-29 2014-12-10 山东省农业科学院玉米研究所 A kind of use for laboratory test tube cleaning device
CN204091297U (en) * 2014-07-31 2015-01-14 宁波市鄞州坚兴刷业有限公司 A kind of cleaning brush
CN205869004U (en) * 2016-06-29 2017-01-11 哈尔滨华藻生物科技开发有限公司 Cleaning device for test tube
CN106493138A (en) * 2016-11-16 2017-03-15 安徽师范大学 A kind of step-by-step movement test tube washing device
CN106513395A (en) * 2016-12-20 2017-03-22 谷新运 Coaxial type medical test tube cleaning device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108160638A (en) * 2017-12-19 2018-06-15 重庆骄直电气有限公司 Test tube cleaning machine
CN109741671A (en) * 2019-01-17 2019-05-10 毛钿 A kind of unburnt experimental demonstration device

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Application publication date: 20170714

RJ01 Rejection of invention patent application after publication