CN214123263U

CN214123263U - Conical and cylindrical two-in-one teaching aid

Info

Publication number: CN214123263U
Application number: CN202120322043.7U
Authority: CN
Inventors: 许弘喆
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-09-03
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses a circular cone cylinder two closes teaching aid, circular cone cylinder two closes the teaching aid and includes cylinder teaching aid and toper teaching aid, the cylinder teaching aid is including surrounding the board, the top and the bottom of surrounding the board are provided with upper top cap and lower bottom cover respectively; the rotating piece is arranged on one side of the surrounding plate and comprises a groove, a screw is movably connected inside the groove, and a connecting plate is rotatably connected to the screw; engagement means, engagement means set up in one side of surrounding plate, engagement means includes a plurality of latches and a plurality of draw-in grooves, the utility model relates to a cylinder teaching technical field. This circular cone cylinder two closes teaching aid passes through latch and draw-in groove cooperation and uses, conveniently explains and expand into a rectangle around the board to go up top cap and lower bottom cover also can expand through rotating, make the cylinder teaching aid can form a plane, conveniently carry out the cylindrical area and calculate the teaching, the student of being convenient for understands and masters.

Description

Conical and cylindrical two-in-one teaching aid

Technical Field

The utility model relates to a graphic teaching technical field specifically is a circular cone cylinder two closes teaching aid.

Background

The teaching is a unique talent culture activity of human beings, which is formed by the teaching of teachers and the learning of students, through which the teachers purposefully, planishing and organized guide the students to study and master the cultural scientific knowledge and skill, and promote the quality of the students to be improved, so that the students become people required by the society.

In the prior art, a primary school classroom usually teaches the calculation of the surface area of a cylinder, but because the cylinder is a stereo image, students with insufficient space imagination cannot understand and master the method and principle of the calculation of the surface area of the cylinder only through the teaching of textbooks.

SUMMERY OF THE UTILITY MODEL

The utility model provides a circular cone cylinder two closes teaching aid, has solved through the textbook teaching, and the student that some space imagination is not enough is difficult to understand and master the problem of the method and the principle that the cylinder area was calculated.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a conical and cylindrical two-in-one teaching aid comprises a cylindrical teaching aid and a conical teaching aid, wherein the cylindrical teaching aid comprises a surrounding plate, and an upper top cover and a lower bottom cover are respectively arranged at the top and the bottom of the surrounding plate; the rotating piece is arranged on one side of the surrounding plate and comprises a groove, a screw is movably connected inside the groove, and a connecting plate is rotatably connected to the screw; an engagement device disposed on one side of the surrounding plate, the engagement device including a plurality of latches and a plurality of slots.

Furthermore, the groove is formed in one side of the surrounding plate, the bottom of the connecting plate is fixedly connected with the top of the lower bottom cover, and the upper top cover and the lower bottom cover are respectively connected with the top and the bottom of the surrounding plate in a rotating mode through rotating pieces.

Further, a plurality of latches are evenly fixed in one side of the surrounding plate, the clamping grooves are evenly arranged on two sides of the surrounding plate, and the latches are matched with the clamping grooves.

Further, the toper teaching aid includes the base, the top of base is connected with the sector plate through rotating a rotation, be provided with engaging means on the sector plate.

The connecting device is arranged above the lower bottom cover and comprises a storage sleeve and a thread groove, and a connecting bolt is connected to the thread groove in a threaded manner; the opening and closing device is fixed on the storage sleeve and comprises a fixed shaft, a baffle is rotatably connected to the fixed shaft, and the bottom of the baffle is fixedly connected with a bending spring; the limiting clamping piece is fixed on one side of the inner wall of the storage sleeve.

Further, the storage sleeve is fixed to the top of the lower bottom cover through a connecting bolt, the thread groove is formed in the top of the lower bottom cover, and the top of the connecting bolt is fixedly connected with a rotating handle.

Furthermore, the two ends of the fixing shaft are fixedly connected with the two sides of the inner wall of the storage sleeve respectively, and one end of the bending spring is fixedly connected with one side of the inner wall of the storage sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

this circular cone cylinder two closes teaching aid uses through latch and draw-in groove cooperation, conveniently says and expand into a rectangle around the board to go up top cap and lower bottom cover also can expand through rotating, make the cylinder teaching aid can form a plane, conveniently carry out the cylindrical area and calculate the teaching, the student of being convenient for understands and masters.

Drawings

FIG. 1 is a schematic view of a part of a cylindrical teaching aid according to a first embodiment of the present invention;

FIG. 2 is a schematic structural view of a conical portion according to a first embodiment of the present invention;

FIG. 3 is a side view of the rotatable member of FIG. 1 in a connected state;

FIG. 4 is a schematic view of a part of the structure of a second embodiment of the present invention;

FIG. 5 is a top view of the turn knob shown in FIG. 4;

FIG. 6 is a schematic view of the structure of the part of the opening and closing device shown in FIG. 4;

fig. 7 is a schematic structural view of a top portion of the storage sleeve of fig. 4.

In the figure: the teaching aid comprises a cylindrical teaching aid 1, a surrounding plate 11, an upper top cover 12, a lower bottom cover 13, a rotating part 2, a groove 21, a screw 22, a connecting plate 23, a connecting device 3, a clamping tooth 31, a clamping groove 32, a conical teaching aid 4, a base 41, a sector plate 42, a connecting device 5, a storage sleeve 51, a threaded groove 52, a connecting bolt 53, an opening and closing device 6, a fixing shaft 61, a baffle 62, a bending spring 63, a limiting clamping piece 7 and a rotating handle 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a conical and cylindrical two-in-one teaching aid comprises a cylindrical teaching aid 1 and a conical teaching aid 4, wherein the cylindrical teaching aid 1 comprises a surrounding plate 11, and an upper top cover 12 and a lower bottom cover 13 are respectively arranged at the top and the bottom of the surrounding plate 11; the rotating part 2 is arranged on one side of the surrounding plate 11, the rotating part 2 comprises a groove 21, a screw 22 is movably connected inside the groove 21, and a connecting plate 23 is rotatably connected on the screw 22; an engagement device 3, said engagement device 3 being arranged at one side of said surrounding plate 11, said engagement device 3 comprising a plurality of latch teeth 31 and a plurality of latch grooves 32.

The surrounding plate 11 is a cylindrical shape surrounded by a rectangular plate, the length of the surrounding plate 11 is the same as the perimeter of the lower bottom cover 13, the 13 upper top covers 12 of the lower bottom cover are all circular, the size is completely consistent, the surrounding plate 11 can be made of wood, and the chalk, the white board and the mark pen are suitable for chalk, and are suitable for color pens and mark pens.

The groove 21 is formed in one side of the surrounding plate 11, the bottom of the connecting plate 23 is fixedly connected with the top of the lower bottom cover 13, and the upper top cover 12 and the lower bottom cover 13 are rotatably connected with the top and the bottom of the surrounding plate 11 through rotating pieces 2 respectively.

The upper top cover 12 and the lower bottom cover 13 can be turned over by the rotation member 2. -

A plurality of latches 31 are evenly fixed in one side of surrounding plate 11, draw-in groove 32 is evenly seted up in the both sides of surrounding plate 11, latch 31 with draw-in groove 32 looks adaptation.

The toper teaching aid 4 includes base 41, the top of base 41 is connected with sector plate 42 through rotating 2 rotation, be provided with engaging means 3 on the sector plate 42.

The sector plate 42 is tapered around.

When in work:

the teaching needs to be developed, namely, the latch 31 and the clamping groove 32 are separated, the surrounding plate 11 can be developed at the moment, the upper top cover 12 and the lower bottom cover 13 are respectively upwards and downwards rotated, the upper top cover 12 and the lower bottom cover 13 are developed, so that the cylindrical teaching aid 1 forms a plane, the conical teaching aid 4 can be developed on the same principle, and the teaching is convenient.

Second embodiment

Referring to fig. 4 to fig. 7, a conical-cylindrical binary teaching aid provided in the first embodiment of the present application, and another conical-cylindrical binary teaching aid provided in the second embodiment of the present application are disclosed. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

Specifically, the conical and cylindrical two-in-one teaching aid provided by the second embodiment of the application is different in that the conical and cylindrical two-in-one teaching aid further comprises a connecting device 5, the connecting device 5 is arranged above the lower bottom cover 13, the connecting device 5 comprises a storage sleeve 51 and a thread groove 52, and a connecting bolt 53 is in threaded connection with the thread groove 52; the opening and closing device 6 is fixed on the storage sleeve 51, the opening and closing device 6 comprises a fixed shaft 61, a baffle plate 62 is rotatably connected on the fixed shaft 61, and a bending spring 63 is fixedly connected at the bottom of the baffle plate 62; and the limiting clamping piece 7 is fixed on one side of the inner wall of the storage sleeve 51.

The storage sleeve 51 is located inside the cylinder enclosed by the enclosure plate 11, and the retaining tabs 7 ensure that the baffle plate 62 does not turn upwards.

The storage sleeve 51 is fixed on the top of the lower bottom cover 13 through a connecting bolt 53, the thread groove 52 is opened on the top of the lower bottom cover 13, and the top of the connecting bolt 53 is fixedly connected with the rotating handle 8.

The rotating handle 8 is arranged to facilitate manual rotation of the rotating handle 8 to drive the connecting bolt 53 to rotate.

Two ends of the fixed shaft 61 are respectively fixedly connected with two sides of the inner wall of the storage sleeve 51, and one end of the bending spring 63 is fixedly connected with one side of the inner wall of the storage sleeve 51.

The fixed shaft 61 serves as a rotation axis of the baffle plate 62.

During operation

The chalk or the mark pen and the chalk which need to be carried can be stored through the storage sleeve 51, the chalk or the mark pen and the chalk can be conveniently carried along with a teaching aid and do not need to be carried independently, when the chalk needs to be used, the upper top cover 12 can be rotated upwards to open the upper top cover 12, the baffle 62 can be manually pressed downwards to enable the baffle 62 to move downwards, the chalk is conveniently taken out, and after the chalk is taken out, the bent spring 63 extends and pushes the baffle 62 to rotate, so that the baffle 62 is closed again;

storage sleeve 51 uses through the cooperation of connecting bolt 53 and thread groove 52 and fixes under on bottom lid 13, rotates handle 8 through manual rotation and can drive connecting bolt 53 and rotate, takes off connecting bolt 53, conveniently takes off storage sleeve 51, can not influence the positive use that expandes of cylinder teaching aid 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a circular cone cylinder two closes teaching aid, includes cylinder teaching aid (1) and toper teaching aid (4), its characterized in that: the cylindrical teaching aid (1) comprises a surrounding plate (11), wherein an upper top cover (12) and a lower bottom cover (13) are respectively arranged at the top and the bottom of the surrounding plate (11);

the rotating piece (2) is arranged on one side of the surrounding plate (11), the rotating piece (2) comprises a groove (21), a screw (22) is movably connected inside the groove (21), and a connecting plate (23) is rotatably connected onto the screw (22);

an engagement device (3), the engagement device (3) being disposed on one side of the surrounding plate (11), the engagement device (3) comprising a plurality of latch teeth (31) and a plurality of latch grooves (32).

2. A conical and cylindrical binary teaching aid according to claim 1, which is characterized in that: the groove (21) is formed in one side of the surrounding plate (11), the bottom of the connecting plate (23) is fixedly connected with the top of the lower bottom cover (13), and the upper top cover (12) and the lower bottom cover (13) are respectively connected with the top and the bottom of the surrounding plate (11) in a rotating mode through the rotating piece (2).

3. A conical and cylindrical binary teaching aid according to claim 1, which is characterized in that: a plurality of latch (31) are evenly fixed in one side of surrounding plate (11), draw-in groove (32) are evenly seted up in the both sides of surrounding plate (11), latch (31) with draw-in groove (32) looks adaptation.

4. A conical and cylindrical binary teaching aid according to claim 1, which is characterized in that: toper teaching aid (4) include base (41), the top of base (41) is rotated through rotating piece (2) and is connected with sector plate (42), be provided with engaging means (3) on sector plate (42).

5. A conical and cylindrical binary teaching aid according to claim 1, which is characterized in that: the connecting device (5) is arranged above the lower bottom cover (13), the connecting device (5) comprises a storage sleeve (51) and a thread groove (52), and a connecting bolt (53) is connected to the thread groove (52) in a threaded manner;

the opening and closing device (6) is fixed on the storage sleeve (51), the opening and closing device (6) comprises a fixed shaft (61), a baffle plate (62) is rotatably connected to the fixed shaft (61), and a bending spring (63) is fixedly connected to the bottom of the baffle plate (62);

the limiting clamping piece (7), and the limiting clamping piece (7) is fixed on one side of the inner wall of the storage sleeve (51).

6. A circular cone and cylinder two-in-one teaching aid according to claim 5, characterized in that: the storage sleeve (51) is fixed to the top of the lower bottom cover (13) through a connecting bolt (53), the thread groove (52) is formed in the top of the lower bottom cover (13), and the top of the connecting bolt (53) is fixedly connected with a rotating handle (8).

7. A circular cone and cylinder two-in-one teaching aid according to claim 5, characterized in that: the two ends of the fixed shaft (61) are fixedly connected with the two sides of the inner wall of the storage sleeve (51) respectively, and one end of the bent spring (63) is fixedly connected with one side of the inner wall of the storage sleeve (51).