CN209859413U - Linear surface body demonstration teaching aid - Google Patents

Abstract

The utility model provides a line face body demonstration teaching aid, including teaching aid main part, base and demonstration mould, the teaching aid main part includes casing, dwang, driving motor, drive wheel and bracing piece, and the drive wheel can drive the dwang rotatory, the casing includes cap and shell body, and the cap center is provided with the through-hole, and the dwang can accessible pass the through-hole and extend to the outside top of casing, and the dwang is provided with the sliding tray, and the cap can be dismantled with the shell body and be connected, is provided with the battery in the base, and the outside surface of base is provided with the switch, the bracing piece can be dismantled. The utility model discloses a tie demonstration mould and rotate in the dwang or put into the sliding tray of dwang, let the student observe the demonstration process that the inching moved into the line, the line moved into the face, the face moved into the body directly perceivedly, help the better understanding of student some, line, these abstract concepts of face, the utility model discloses simple structure, reasonable in design, convenience safe in utilization, portable.

Description

Linear surface body demonstration teaching aid

Technical Field

The utility model belongs to the technical field of the teaching aid, concretely relates to line face body demonstration teaching aid.

Background

The points, lines and surfaces are basic elements of geometry, and are the most basic concepts, and in the geometry, the points only have positions and have no sizes; the line only has length and direction and has no thickness; the surface has length and width, is the surface of a body, has a certain shape, but has no thickness, so that the difficulty of understanding the abstract concepts by students is increased, and on the basis, it is necessary to design a teaching aid which can help the students visually understand the abstract concepts such as points, lines and surfaces.

Disclosure of Invention

The utility model aims at the above problem, provide a line face body demonstration teaching aid, reach the purpose that helps learning these abstract concepts of physiology solution point, line, face.

The utility model adopts the following technical scheme:

the utility model provides a line face body demonstration teaching aid, includes teaching aid main part, base and demonstration mould, the teaching aid main part includes casing, dwang, driving motor, drive wheel and bracing piece, and driving motor is connected with the drive wheel, and the drive wheel can drive the dwang rotatory, and the dwang is provided with the sliding tray, and the demonstration mould can be tied on the dwang or set up in the sliding tray, rotates along with the dwang, the casing includes cap and shell body, and the cap center is provided with the through-hole, and the dwang can accessible pass the through-hole and extend to the outside top of casing, dwang below joint support pole, bracing piece and base can be dismantled and be connected, and the cap can be dismantled with the shell body and be connected.

The connection mode of the driving motor and the driving wheel is as follows: the motor shaft of the driving motor is sleeved with a gear, the gear is meshed with the outer edge of the driving wheel, and the driving motor can be fixed in the shell body.

Furthermore, a limiting block is arranged at the top of the rotating rod.

Further, the shell cover is in threaded connection with the shell body.

Furthermore, the support rod is in threaded connection with the base.

Furthermore, the demonstration mould is one of a rope, a small ball, a square card, a triangular card, a trapezoidal card, a semicircular card and a vase-shaped card.

Furthermore, the rotating rod is a cylinder.

The utility model has the advantages that:

the utility model discloses a tie bobble, line and rotate along with the dwang on the dwang, or put into the card of different shapes the sliding tray of dwang along with the dwang is rotatory, let the student observe the demonstration process that the inching becomes the line, the line moves into the face, the face moves into the body directly perceivedly, help the better understanding of student point, line, these abstract concepts of face, the utility model discloses simple structure, reasonable in design, convenience safe in utilization, portable, the sexual valence relative altitude.

Description of the drawings:

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

the reference numbers in the drawings are: 1. a teaching aid main body; 2. a base; 3. a housing; 4. rotating the rod; 5. a drive motor; 6. a drive wheel; 7. a support bar; 8. a shell cover; 9. a through hole; 10. a sliding groove; 11. a switch; 12. and a limiting block.

The specific implementation mode is as follows:

embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

Referring to fig. 1-2, a line face body demonstration teaching aid, a serial communication port, including teaching aid main part 1, base 2 and demonstration mould, teaching aid main part 1 includes casing 3, dwang 4, driving motor 5, drive wheel 6 and bracing piece 7, and driving motor 5 is connected with drive wheel 6, and driving motor 5 is with the connected mode of drive wheel 6: a gear is sleeved on a motor shaft of the driving motor 5 and is in meshed fit with the outer edge of the driving wheel 6, the driving motor 5 can be fixed in the shell body, the driving wheel 6 can drive the rotating rod 4 to rotate, the rotating rod 4 is provided with a sliding groove 10, the demonstration die can be fastened on the rotating rod 4 or arranged in the sliding groove 10, along with the rotation of the rotating rod 4, the shell 3 comprises a shell cover 8 and the shell body, a through hole 9 is formed in the center of the shell cover 8, the rotating rod 4 can penetrate through the through hole 9 without obstacles and extend to the upper part outside of the shell 3, a supporting rod 7 is connected below the rotating rod 4, the supporting rod 7 is detachably connected with the base 2, the shell cover 8 is detachably connected with the shell body, a battery is arranged; the top of the rotating rod 4 is provided with a limiting block 12; the shell cover 8 is in threaded connection with the shell body; the supporting rod 7 is in threaded connection with the base 2; the demonstration mould is one of a rope, a small ball, a square card, a triangular card, a trapezoidal card, a semicircular card and a vase-shaped card; the rotating rod 4 is a cylinder.

The utility model discloses the demonstration mould is the rope, the bobble, and the cards of multiple different shapes such as square card, triangle-shaped card, trapezoidal card, semicircle card, vase shape card can select different demonstration moulds according to the demonstration needs, tie demonstration mould (bobble, rope) on dwang 4, perhaps will demonstrate mould (card) and place in sliding tray 10, along with dwang 4 rotates.

When the rotating rod is used, the switch 11 is turned on, the rotating rod 4 rotates, the small ball, the rope or the clamping piece in the sliding groove 10 tied on the rotating rod 4 rotates, and if the small ball is tied, the small ball can feel a point to move into a line when the rotation process is observed; if the rope is tied, the rope can sense the line-to-surface motion in the rotating process; if the rectangular card is inserted, the rectangular card in the rotating process is observed, and the cuboid can be sensed; if the triangular card is inserted, the triangular card in the rotating process is observed, and the cone can be sensed; if the trapezoidal card is inserted, the circular truncated cone can be sensed by observing the trapezoidal card in the rotating process; if the vase card is inserted, the vase card in the rotating process is observed, a user can feel a vase, namely a surface-moving body, and after the demonstration is finished, the switch 11 is closed, the demonstration mold is folded, the structure is simple, and the use is safe and convenient.

Above only the utility model discloses an it is the preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the technical scheme under the thinking of the utility model discloses a scope of protection should point out, to the ordinary technical personnel of this technical field, is not deviating from the utility model discloses a plurality of improvements and moist decorations under the principle prerequisite should be regarded as the utility model discloses a scope of protection.

Claims (6)

1. A teaching aid for demonstrating a linear surface body is characterized by comprising a teaching aid main body (1), a base (2) and a demonstration mold, wherein the teaching aid main body (1) comprises a shell (3), a rotating rod (4), a driving motor (5), a driving wheel (6) and a supporting rod (7), the driving motor (5) is connected with the driving wheel (6), the driving wheel (6) can drive the rotating rod (4) to rotate, the rotating rod (4) is provided with a sliding groove (10), the demonstration mold can be fastened on the rotating rod (4) or arranged in the sliding groove (10), the shell (3) comprises a shell cover (8) and a shell body along with the rotation of the rotating rod (4), a through hole (9) is formed in the center of the shell cover (8), the rotating rod (4) can pass through the through hole (9) without obstacles and extend to the upper part outside the shell (3), the supporting rod (7) is connected with the lower part of the rotating rod (4), and the supporting, the shell cover (8) is detachably connected with the shell body, a battery is arranged in the base (2), and a switch (11) is arranged on the outer surface of the base (2).

2. A line and plane body demonstration teaching aid according to claim 1, characterized in that a limiting block (12) is arranged on the top of the rotating rod (4).

3. A line-surface body demonstration teaching aid according to claim 1, characterized in that the shell cover (8) is in threaded connection with the shell body.

4. A line and surface body demonstration teaching aid according to claim 1, characterized in that the support rod (7) is in threaded connection with the base (2).

5. A line and plane body demonstration teaching aid according to claim 1, wherein the demonstration mold is one of a rope, a small ball, a square card, a triangular card, a trapezoidal card, a semicircular card and a vase-shaped card.

6. A line and plane body demonstration teaching aid according to claim 1, characterized in that the rotating rod (4) is a cylinder.