CN208077461U - A kind of College Mathematics Teaching probabilistic model teaching aid - Google Patents

Abstract

The utility model discloses a kind of College Mathematics Teaching probabilistic model teaching aids, including fixed slip bar, electric telescopic rod, fixed underpan, accumulator, firm banking, shaft, support baseboard, working plate, slider bar and bar-shaped trough, four corners of the firm banking bottom end are mounted on universal wheel, and the middle position on firm banking top is equipped with accumulator box, the both sides of the accumulator box are mounted on fixed steelframe, and the bottom end inside accumulator box is uniformly equipped with accumulator.The utility model is by being equipped with slider bar, bar-shaped trough, coat of colo(u)r and graduation mark, slider bar is adjusted when in use, the demonstration of probability can be intuitively expressed when being slided especially in bar-shaped trough equipped with coat of colo(u)r, and different colors can be selected in adjacent bar slot, demonstration is more intuitive, more eye-catching, conducive to student's understanding and this subject of learning probability, have the characteristics that in demonstration eye-catching, easy-operating.

Description

A kind of College Mathematics Teaching probabilistic model teaching aid

Technical field

The utility model is related to tutor auxiliary platform appliance technology, specially a kind of College Mathematics Teaching is taught with probabilistic model Tool.

Background technology

Probability is because being to compare abstract concept, in College Maths probability theory course, if can be demonstrated by probability teaching aid Cooperation explanation, student can be made to be easier to understand and grasp, and currently, because not be suitble to teaching probability teaching aid, student can only It goes to understand that probability theory, this mode given lessons so that student is not high to the understanding of probability and Grasping level by teacher's explanation, teach Teacher is also very painstaking during explanation.Therefore, it is badly in need of a kind of teaching and carries out cooperation teaching with probability teaching aid.

Utility model content

The purpose of this utility model is to provide a kind of College Mathematics Teaching probabilistic model teaching aids, to solve above-mentioned background The problem of being proposed in technology.

To achieve the above object, the utility model provides the following technical solutions：A kind of College Mathematics Teaching probabilistic model Teaching aid, including fixed slip bar, electric telescopic rod, fixed underpan, accumulator, firm banking, shaft, support baseboard, working plate, Four corners of slider bar and bar-shaped trough, the firm banking bottom end are mounted on universal wheel, and in firm banking top Between accumulator box is installed at position, the both sides of the accumulator box are mounted on fixed steelframe, and the bottom inside accumulator box End is uniformly equipped with accumulator, and the both sides on the accumulator box top are mounted on pulley, and the interposition on accumulator box top The place of setting vertically is equipped with shaft, and the top of the shaft is equipped with fixed underpan, and the edge of fixed underpan bottom end is provided with Sliding rail is connected with pulley, and four corners on the fixed underpan top are vertically equipped with fixed slip bar, and fixed slip bar Both sides be both provided with sliding slot, sliding sleeve is mounted on the outside of the fixed slip bar, and the both sides inside sliding sleeve are mounted on cunning Block is connected with sliding slot, and the middle position on the fixed underpan top is equipped with electric telescopic rod, and the top of electric telescopic rod End is horizontally installed with support baseboard, and the surrounding of the support baseboard is connected with sliding sleeve, and the interposition on support baseboard top The place of setting is equipped with working plate, and the side of the working plate is evenly arranged with bar-shaped trough, and the inner wall of bar-shaped trough is both provided with The inside of coat of colo(u)r, the bar-shaped trough is mounted on slider bar.

Preferably, the top of the fixed slip bar is mounted on limited block.

Preferably, the inner wall of the accumulator box is uniformly equipped with reinforcing rib.

Preferably, the junction of the universal wheel and firm banking is uniformly equipped with damping spring, and pacifies on universal wheel Equipped with disc brake sheet.

Preferably, it is both provided with graduation mark on the working plate of the bar-shaped trough both sides.

Compared with prior art, the utility model has the beneficial effects that：The College Mathematics Teaching is logical with probabilistic model teaching aid It crosses and slider bar, bar-shaped trough, coat of colo(u)r and graduation mark is installed, adjust slider bar when in use, especially slided in bar-shaped trough When the demonstration of probability can be intuitively expressed equipped with coat of colo(u)r, and different colors can be selected in adjacent bar slot, demonstrated It is more intuitive, more eye-catching, be conducive to student and understand and learning probability this subject, have the characteristics that in demonstration it is eye-catching, easy-operating, together When device by being equipped with shaft, fixed underpan, pulley and sliding rail, shaft drives fixed underpan rotation when in use, convenient for complete Orientation shows student viewing, and pulley slides on sliding rail when fixed underpan rotation, ensure that the stabilization of device Property, while device is by being equipped with universal wheel so that device is integrally easy to remove, convenient and efficient.

Description of the drawings

Fig. 1 is that the structure of the utility model faces diagrammatic cross-section；

Fig. 2 is the structure schematic elevation view of the utility model；

Fig. 3 is the structure partial schematic elevation view of the utility model；

In figure：1- fixed slip bars；2- sliding slots；3- sliding blocks；4- electric telescopic rods；5- fixed underpans；6- sliding rails；7- electric power storages Pond；8- accumulator boxs；9- fixes steelframe；10- universal wheels；11- firm bankings；12- pulleys；13- shafts；14- sliding sleeves；15- branch Support bottom plate；16- working plates；17- slider bars；18- bar-shaped troughs；19- coats of colo(u)r；20- graduation marks.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 3 are please referred to Fig.1, a kind of embodiment provided by the utility model：A kind of College Mathematics Teaching is taught with probabilistic model Tool, including fixed slip bar 1, electric telescopic rod 4, fixed underpan 5, accumulator 7, firm banking 11, shaft 13, support baseboard 15, Four corners of working plate 16, slider bar 17 and bar-shaped trough 18,11 bottom end of firm banking are mounted on universal wheel 10, universal Wheel 10 and the junction of firm banking 11 are uniformly equipped with damping spring, and disc brake sheet is mounted on universal wheel 10, and fixed The middle position on 11 top of pedestal is equipped with accumulator box 8, and the inner wall of accumulator box 8 is uniformly equipped with reinforcing rib, increases The both sides of the stability of device, accumulator box 8 are mounted on fixed steelframe 9, and the bottom end inside accumulator box 8 is uniformly equipped with The both sides of accumulator 7,8 top of accumulator box are mounted on pulley 12, and the middle position on 8 top of accumulator box is vertically installed There is shaft 13, the top of shaft 13 is equipped with fixed underpan 5, and the edge of 5 bottom end of fixed underpan is provided with sliding rail 6 and pulley 12 are connected, and four corners on 5 top of fixed underpan are vertically equipped with fixed slip bar 1, and the top of fixed slip bar 1 is respectively mounted There is a limited block, when anti-sliding stop falls off, and the both sides of fixed slip bar 1 are both provided with sliding slot 2, and the outside of fixed slip bar 1 is respectively mounted There is sliding sleeve 14, and the both sides inside sliding sleeve 14 are mounted on sliding block 3 and are connected with sliding slot 2, the centre position on 5 top of fixed underpan Place is equipped with electric telescopic rod 4, and the top of electric telescopic rod 4 is horizontally installed with support baseboard 15, the surrounding of support baseboard 15 It is connected with sliding sleeve 14, and the middle position on 15 top of support baseboard is equipped with working plate 16, the one of working plate 16 Side is evenly arranged with bar-shaped trough 18, is both provided with graduation mark 20 on the working plate 16 of 18 both sides of bar-shaped trough, and bar-shaped trough 18 Inner wall is both provided with coat of colo(u)r 19, and the inside of bar-shaped trough 18 is mounted on slider bar 17.

Operation principle：In use, moving integrally device to teaching position, device bulk supply, electricity are given by accumulator 7 Dynamic telescopic rod 4 drives support baseboard 15 to lift, and while the lifting of support baseboard 15, and the sliding block 3 in sliding sleeve 14 is also in sliding slot 2 Upper sliding ensure that the stability of device entirety, and then shaft 13 drives fixed underpan 5 to rotate, and is showed convenient for comprehensive Student viewing, and pulley 12 slides on sliding rail 6 when the rotation of fixed underpan 5, finally adjusts slider bar 17, especially exists The demonstration of probability can be intuitively expressed equipped with coat of colo(u)r 19 when sliding in bar-shaped trough 18, and can be selected in adjacent bar slot 18 With different colors, demonstration is more intuitive, more eye-catching, is conducive to student's understanding and this subject of learning probability, has in demonstration and wakes up Mesh, easy-operating feature.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation Involved claim.

Claims (5)

1. a kind of College Mathematics Teaching probabilistic model teaching aid, including fixed slip bar (1), electric telescopic rod (4), fixed underpan (5), accumulator (7), firm banking (11), shaft (13), support baseboard (15), working plate (16), slider bar (17) and item Shape slot (18), it is characterised in that：Four corners of firm banking (11) bottom end are mounted on universal wheel (10), and fixed The middle position on pedestal (11) top is equipped with accumulator box (8), and the both sides of the accumulator box (8) are mounted on fixed steel Frame (9), and the bottom end of accumulator box (8) inside is uniformly equipped with accumulator (7), the both sides on accumulator box (8) top are equal Pulley (12) is installed, and the middle position on accumulator box (8) top is vertically equipped with shaft (13), the shaft (13) Top is equipped with fixed underpan (5), and the edge of fixed underpan (5) bottom end is provided with sliding rail (6) and is connected with pulley (12), Four corners on fixed underpan (5) top are vertically equipped with fixed slip bar (1), and the both sides of fixed slip bar (1) are equal It is provided with sliding slot (2), sliding sleeve (14) is mounted on the outside of the fixed slip bar (1), and the both sides of sliding sleeve (14) inside are pacified It is connected with sliding slot (2) equipped with sliding block (3), the middle position on fixed underpan (5) top is equipped with electric telescopic rod (4), and the top of electric telescopic rod (4) is horizontally installed with support baseboard (15), the surrounding of the support baseboard (15) with cunning Set (14) is connected, and the middle position on support baseboard (15) top is equipped with working plate (16), the working plate (16) side is evenly arranged with bar-shaped trough (18), and the inner wall of bar-shaped trough (18) is both provided with coat of colo(u)r (19), the bar shaped The inside of slot (18) is mounted on slider bar (17).

2. a kind of College Mathematics Teaching probabilistic model teaching aid according to claim 1, it is characterised in that：It is described fixed sliding The top of bar (1) is mounted on limited block.

3. a kind of College Mathematics Teaching probabilistic model teaching aid according to claim 1, it is characterised in that：The accumulator The inner wall of case (8) is uniformly equipped with reinforcing rib.

4. a kind of College Mathematics Teaching probabilistic model teaching aid according to claim 1, it is characterised in that：The universal wheel (10) damping spring is uniformly installed with the junction of firm banking (11), and disc brake sheet is mounted on universal wheel (10).

5. a kind of College Mathematics Teaching probabilistic model teaching aid according to claim 1, it is characterised in that：The bar-shaped trough (18) it is both provided with graduation mark (20) on the working plate (16) of both sides.