CN207037989U

CN207037989U - A kind of Multifunctional mathematics teaching Probability Experiments apparatus for demonstrating

Info

Publication number: CN207037989U
Application number: CN201720701622.6U
Authority: CN
Inventors: 于珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-06-16
Filing date: 2017-06-16
Publication date: 2018-02-23
Anticipated expiration: 2027-06-16

Abstract

The utility model discloses a kind of Multifunctional mathematics teaching Probability Experiments apparatus for demonstrating, including casing, the box that the casing internal is set is fixedly mounted on the slide rail in chute, the casing internal is provided with stir storehouse, the stir storehouse is connected with the alley for being arranged on casing internal of its bottom, the casing internal is installed with the backgauge cylinder being arranged above and below and pusher cylinder, the rotating shaft for the motor that the casing internal is fixedly mounted is fixedly connected with the stirring vane in stir storehouse, the experimental tank of the stir storehouse bottom is arranged on casing internal, crawl hole on the outside of the experimental tank is arranged on casing, it is described enter ball on the outside of set lid be fixedly mounted on casing, power line end on the casing is connected with plug.The utility model uses the structure design of advantages of simple, simple to operate, easy to carry, while can carry out experiment and experiment manually automatically, sufficiently strengthens the learning interest of students, effectively improves the quality of teaching.

Description

A kind of Multifunctional mathematics teaching Probability Experiments apparatus for demonstrating

Technical field

Teaching equipment technical field is the utility model is related to, specially a kind of Multifunctional mathematics teaching is demonstrated with Probability Experiments Device.

Background technology

At present, probability is the concept that rule that people occur according to chance event defines, but due to its abstract concept With actual presentation need largely repeat experimental implementation, making it difficult to straightforward to student and impressive teaching impression, In general probability is demonstrated, and can only rely on the throwing that teacher carries out dice in classroom, black, Archon to randomly select experiment etc., Because time in classroom is limited, it is necessary to which long time is just able to verify that its result and theoretical uniformity in actual presentation, and It is not easy to count, process is cumbersome, and experimentation is stereotyped, it is impossible to improve the enthusiasm of student, lose due interest, together When existing probability lecture experiment equipment often function is single, and experimental implementation is cumbersome great inconvenience be present.

Utility model content

The purpose of this utility model is to provide a kind of Multifunctional mathematics teaching Probability Experiments apparatus for demonstrating, with solution The problem of being proposed in background technology is stated, possessed beneficial effect is：With the structure design using advantages of simple, operation letter It is single, it is easy to carry, while experiment and experiment manually can be carried out automatically, sufficiently strengthen the learning interest of students, effectively carry High quality of instruction, enhancing is interactive, teaching interest is improved, so as to promote the positive attitude towards study of student.

To achieve the above object, the utility model provides following technical scheme：A kind of Multifunctional mathematics teaching is real with probability Apparatus for demonstrating, including casing are tested, the box that the casing internal is set is fixedly mounted on the slide rail in chute, the casing Stir storehouse is internally provided with, the stir storehouse is connected with the alley for being arranged on casing internal of its bottom, the casing internal The backgauge cylinder being arranged above and below and pusher cylinder are installed with, and backgauge cylinder and pusher cylinder front end are installed with respectively Catch and push pedal, the rotating shaft for the motor that the casing internal is fixedly mounted is fixedly connected with the stirring vane in stir storehouse, described The experimental tank of stir storehouse bottom is arranged on casing internal, and experimental tank is connected with the ball of entering above it, outside the experimental tank The crawl hole of side is arranged on casing, it is described enter ball on the outside of set lid be fixedly mounted on casing, in the stir storehouse Portion is provided with multiple demonstration balls, and the observation window and transparency window set on the outside of the stir storehouse and alley is fixedly mounted on casing, The power switch being arranged above and below and play button set on the right side of the observation window is fixedly mounted on casing, on the casing Power line end is connected with plug.

Preferably, the handle of bearing pin rotation connection is provided with the base that the cabinet top is fixedly mounted.

Preferably, the bottom of shell is installed with rubber blanket.

Preferably, the stir storehouse is arranged on the right side of chute.

Preferably, the annular indicator lamp set on the outside of the play button is fixedly mounted on casing.

Preferably, backgauge cylinder and the pusher cylinder is arranged on the lower section of stir storehouse.

Preferably, it is provided with draw ring on the outside of the box.

Compared with prior art, the beneficial effects of the utility model are：The equipment uses the structure design of advantages of simple, behaviour Make simply, it is easy to carry, while experiment and experiment manually can be carried out automatically, the sufficient learning interest for strengthening students, effectively Improve the quality of teaching, motor and stirring vane, which coordinate automatically to be stirred demonstration ball, random choose shuttles and matches somebody with somebody so as to realize Conjunction transparency window can give student's intuitively observing effect, so as to facilitate progress Probability Experiments demonstration on classroom, experimental tank It is designed to allow students to capture demonstration ball at random from crawl hole manually, enhancing is interactive, teaching interest is improved, so as to promote The positive attitude towards study of student.

Brief description of the drawings

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

Fig. 2 is the internal structure schematic diagram of the utility model casing；

Fig. 3 is the side structure schematic diagram of the utility model casing；

Fig. 4 is the side structure schematic diagram of the utility model casing internal.

In figure：1- handles；2- bases；3- casings；4- boxes；5- draw rings；6- transparency windows；7- alleys；8- rubber blankets；9- Catch；10- observation windows；11- stirring vanes；12- power switches；13- annular indicator lamps；14- play buttons；15- power lines； 16- plugs；17- chutes；18- slide rails；19- stir storehouses；20- demonstrates ball；21- pusher cylinders；22- backgauge cylinders；23- push pedals； 24- captures hole；25- lids；26- motors；27- enters ball；28- experimental tanks.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Refer to Fig. 1-4, a kind of embodiment provided by the utility model：A kind of Multifunctional mathematics teaching is drilled with Probability Experiments Showing device, including casing 3, the box 4 that the inside of casing 3 is set is fixedly mounted on the slide rail 18 in chute 17, inside casing 3 Stir storehouse 19 is provided with, stir storehouse 19 is connected with the alley 7 being arranged on inside casing 3 of its bottom, the fixed peace in the inside of casing 3 Equipped with the backgauge cylinder 22 and pusher cylinder 21 being arranged above and below, and backgauge cylinder 22 and the front end of pusher cylinder 21 are fixedly mounted respectively There are catch 9 and push pedal 23, the rotating shaft for the motor 26 that the inside of casing 3 is fixedly mounted is fixed with the stirring vane 11 in stir storehouse 19 to be connected Connecing, the experimental tank 28 of the bottom of stir storehouse 19 is arranged on inside casing 3, and experimental tank 28 is connected with the ball 27 of entering above it, The crawl hole 24 in the outside of experimental tank 28 is arranged on casing 3, is entered the lid 25 that the outside of ball 27 is set and is fixedly mounted on casing 3 On, stir storehouse 19 is internally provided with multiple demonstration balls 20, the observation window 10 and transparency window 6 that stir storehouse 19 and the outside of alley 7 are set It is fixedly mounted on casing 3, the power switch 12 being arranged above and below and play button 14 that the right side of observation window 10 is set are fixedly mounted On casing 3, the end of power line 15 on casing 3 is connected with plug 16, is provided with the base 2 that the top of casing 3 is fixedly mounted The handle 1 being rotatablely connected by bearing pin, the bottom of casing 3 are installed with rubber blanket 8, and stir storehouse 19 is arranged on the right side of chute 17 Side, the annular indicator lamp 13 that the outside of play button 14 is set are fixedly mounted on casing 3, and backgauge cylinder 22 and pusher cylinder 21 are set Put and the lower section of stir storehouse 19, the outside of box 4 are provided with draw ring 5.

Operation principle：In use, the plug 16 of power line 15 is connected into power supply, then take out in the inner matter box 4 of chute 17 Demonstration ball 20, then open observation window 10 by demonstrate ball 20 be put into stir storehouse 19, then turn on power switch 12 and play button 14, annular indicator lamp 13, which lights, starts working, and now motor 26 works and drives stirring vane 11 to rotate to drilling by rotating shaft Show that ball 20 is stirred, subsequent motor 26 slowly stops, and being moved after the work drive catch 9 of backgauge cylinder 22 makes demonstration ball 20 fall into ball Backgauge is moved back while road 7, subsequent pusher cylinder 21 works and drives push pedal 23 to promote demonstration ball 20 it is slipped into the bottom of alley 7 Portion, automatic Probability Experiments demonstration is realized therewith, effectively improves conventional efficient, while can open lid 25 will demonstrate ball 20 From ball input experimental tank 28 is entered, students are allowed to demonstrate ball 20 either manually or by the crawl of crawl hole 24, enhancing is interactive, improves teaching Interest, and handle 1 facilitates teacher to carry well.

It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.

Claims

1. a kind of Multifunctional mathematics teaching Probability Experiments apparatus for demonstrating, including casing（3）, it is characterised in that：The casing（3） The box that inside is set（4）It is fixedly mounted on chute（17）Interior slide rail（18）On, the casing（3）It is internally provided with stirring Storehouse（19）, the stir storehouse（19）Casing is arranged on its bottom（3）Internal alley（7）It is connected, the casing（3）It is interior Portion is installed with the backgauge cylinder being arranged above and below（22）With pusher cylinder（21）, and backgauge cylinder（22）With pusher cylinder（21） Front end is installed with catch respectively（9）And push pedal（23）, the casing（3）The motor that inside is fixedly mounted（26）Rotating shaft with Stir storehouse（19）Interior stirring vane（11）It is fixedly connected, the stir storehouse（19）The experimental tank of bottom（28）It is arranged on casing （3）Inside, and experimental tank（28）With entering ball above it（27）It is connected, the experimental tank（28）The crawl hole in outside（24） It is arranged on casing（3）On, it is described enter ball（27）The lid that outside is set（25）It is fixedly mounted on casing（3）On, the stirring Storehouse（19）It is internally provided with multiple demonstration balls（20）, the stir storehouse（19）And alley（7）The observation window that outside is set（10）With Transparency window（6）It is fixedly mounted on casing（3）On, the observation window（10）The power switch being arranged above and below that right side is set（12）With Play button（14）It is fixedly mounted on casing（3）On, the casing（3）On power line（15）End is connected with plug（16）.

A kind of 2. Multifunctional mathematics teaching Probability Experiments apparatus for demonstrating according to claim 1, it is characterised in that：It is described Casing（3）The base that top is fixedly mounted（2）On be provided with bearing pin rotation connection handle（1）.

A kind of 3. Multifunctional mathematics teaching Probability Experiments apparatus for demonstrating according to claim 1, it is characterised in that：It is described Casing（3）Bottom is installed with rubber blanket（8）.

A kind of 4. Multifunctional mathematics teaching Probability Experiments apparatus for demonstrating according to claim 1, it is characterised in that：It is described Stir storehouse（19）It is arranged on chute（17）Right side.

A kind of 5. Multifunctional mathematics teaching Probability Experiments apparatus for demonstrating according to claim 1, it is characterised in that：It is described Play button（14）The annular indicator lamp that outside is set（13）It is fixedly mounted on casing（3）On.

A kind of 6. Multifunctional mathematics teaching Probability Experiments apparatus for demonstrating according to claim 1, it is characterised in that：It is described Backgauge cylinder（22）With pusher cylinder（21）It is arranged on stir storehouse（19）Lower section.

A kind of 7. Multifunctional mathematics teaching Probability Experiments apparatus for demonstrating according to claim 1, it is characterised in that：It is described Box（4）Outside is provided with draw ring（5）.