CN213518844U

CN213518844U - Primary school mathematics three-dimensional model teaching display device

Info

Publication number: CN213518844U
Application number: CN202022479820.7U
Authority: CN
Inventors: 沈艳龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-22
Anticipated expiration: 2030-10-30

Abstract

The application discloses primary school's mathematics three-dimensional model teaching display device, including elevating system and slewing mechanism, elevating system includes box, dead lever, show stand, a gear and No. two gears, the box rotates with the case lid to be connected, dead lever and the inside fixed surface of box are connected, and dead lever and limiting plate sliding connection, spacing board surface and rack fixed connection, the show stand surface is provided with the spout, spout and slider sliding connection, a wheel and rack toothing, and a gear and a transfer line fixed connection, a transfer line and a crank fixed connection, No. two gears and a transfer line fixed surface are connected, and No. two gears and spacing dop slip joint. Drive bevel gear level through No. two bevel gears and rotate, drive outer sleeve through a bevel gear and rotate along the bearing, drive interior pole through outside sleeve and rotate, drive the show stand by interior pole and rotate, show the stereoscopic model comprehensively.

Description

Primary school mathematics three-dimensional model teaching display device

Technical Field

The application relates to a three-dimensional model teaching display device, in particular to a primary school mathematics three-dimensional model teaching display device.

Background

At present at carrying out the mathematical education in-process, need use the stereomodel to demonstrate that imparts knowledge to students, knowledge such as the stereograph of being convenient for understand and study, in order to alleviate teacher's burden, for the convenience of more audio-visual show stereograph simultaneously, the stereomodel needs cooperation display device to demonstrate.

Current three-dimensional model teaching display device only supports places the show function, and structural function is more single moreover, and most three-dimensional model teaching display device lacks the altitude mixture control function, can not carry out altitude mixture control as required, the student's of not being convenient for observation. Therefore, a teaching display device for the primary school mathematics three-dimensional model is provided for the above problems.

Disclosure of Invention

The utility model provides a primary school's mathematics three-dimensional model teaching display device, includes elevating system and slewing mechanism, elevating system includes box, dead lever, show stand, No. one gear and No. two gears, the box rotates with the case lid to be connected, the dead lever is connected with box inside fixed surface, and dead lever and limiting plate sliding connection, limiting plate surface and rack fixed connection, the show stand surface is provided with the spout, spout and slider sliding connection, No. one gear and rack meshing, and No. one gear and a transfer line fixed connection, a transfer line and crank fixed connection, No. two gears and a transfer line fixed surface connection, and No. two gears and limiting chuck sliding joint, limiting chuck and limiting rod fixed connection, limiting rod and casing sliding connection;

slewing mechanism includes bearing, bevel gear and No. two bevel gear the bearing is connected with the inside fixed surface of box, and the bearing rotates with outside sleeve pipe and is connected, bevel gear and outside sleeve pipe fixed surface are connected, and outside sleeve pipe and interior pole slip cup joint, interior pole and show stand surface fixed connection, No. two bevel gear and bevel gear meshing connection, and No. two bevel gear and No. two transfer line fixed connection, No. two transfer line and No. two handle fixed connection.

Further, the surface of the box body is provided with two fixing rods, and the two fixing rods are respectively in sliding sleeve joint with the limiting plate.

Further, one end of the rack is fixedly connected with the surface of the limiting plate, and the other end of the rack is fixedly connected with the surface of the sliding block.

Furthermore, one end of the first transmission rod is fixedly connected with the first gear, the other end of the first transmission rod penetrates through the surfaces of the box body and the shell body and is fixedly connected with the first crank, and the first transmission rod is rotatably connected with the box body and the shell body respectively.

Furthermore, the bearing is located the bottom center position of the box, and the inner rod is fixedly connected with the center position of the display stand.

Furthermore, No. two transfer lines one end and No. two bevel gear fixed connection, and No. two transfer lines other end run through the box surface and No. two handle fixed connection, No. two transfer lines rotate with the box and are connected.

The beneficial effect of this application is: the application provides a primary school mathematics three-dimensional model teaching display device.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 3 is a schematic view of a bottom perspective of a display stand according to an embodiment of the present application;

FIG. 4 is a schematic view of the internal structure of the housing according to an embodiment of the present application;

FIG. 5 is a schematic top view of a bevel gear according to an embodiment of the present application;

FIG. 6 is a schematic front view of a second gear according to an embodiment of the present application;

fig. 7 is a schematic top view of an inner rod according to an embodiment of the present application.

In the figure: 1. the novel display cabinet comprises a cabinet body, 2, a cabinet cover, 3, a shell, 4, a first crank, 5, a limiting rod, 6, a display platform, 7, a sliding groove, 8, a sliding block, 9, a limiting plate, 10, a fixing rod, 11, a rack, 12, a first gear, 13, a first transmission rod, 14, a bearing, 15, a first bevel gear, 16, a second bevel gear, 17, a second transmission rod, 18, a second handle, 19, an inner rod, 20, an outer sleeve, 21, a limiting clamping head, 22 and a second gear.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-7, a primary school mathematics three-dimensional model teaching display device comprises a lifting mechanism and a rotating mechanism, wherein the lifting mechanism comprises a box body 1, a fixed rod 10, a display platform 6, a first gear 12 and a second gear 22, the box body 1 is rotatably connected with a box cover 2, the fixed rod 10 is fixedly connected with the inner surface of the box body 1, the fixed rod 10 is slidably connected with a limit plate 9, the surface of the limit plate 9 is fixedly connected with a rack 11, the surface of the display platform 6 is provided with a chute 7, the chute 7 is slidably connected with a slide block 8, the first gear 12 is meshed with the rack 11, the first gear 12 is fixedly connected with a first transmission rod 13, the first transmission rod 13 is fixedly connected with a first crank 4, the second gear 22 is fixedly connected with the surface of the first transmission rod 13, and the second gear 22 is slidably clamped with a limit clamp head 21, the limiting chuck 21 is fixedly connected with the limiting rod 5, and the limiting rod 5 is connected with the shell 3 in a sliding manner;

the rotating mechanism comprises a bearing 14, a first bevel gear 15 and a second bevel gear 16, the bearing 14 is fixedly connected with the inner surface of the box body 1, the bearing 14 is rotatably connected with an outer sleeve 20, the first bevel gear 15 is fixedly connected with the surface of the outer sleeve 20, the outer sleeve 20 is in sliding sleeve connection with an inner rod 19, the inner rod 19 is fixedly connected with the surface of the display stand 6, the second bevel gear 16 is in meshed connection with the first bevel gear 15, the second bevel gear 16 is fixedly connected with a second transmission rod 17, and the second transmission rod 17 is fixedly connected with a second handle 18.

The surface of the box body 1 is provided with two fixing rods 10, the two fixing rods 10 are respectively sleeved with a limiting plate 9 in a sliding manner, the two fixing rods 10 limit the movement of the limiting plate 9 in the horizontal direction, one end of a rack 11 is fixedly connected with the surface of the limiting plate 9, the other end of the rack 11 is fixedly connected with the surface of a sliding block 8, one end of a first transmission rod 13 is fixedly connected with a first gear 12, the other end of the first transmission rod 13 is fixedly connected with a first crank 4 through the surfaces of the box body 1 and the shell 3 respectively, the first transmission rod 13 is rotatably connected with the box body 1 and the shell 3 respectively, a bearing 14 is positioned at the central position of the bottom of the box body 1, an inner rod 19 is fixedly connected with the central position of the display platform 6, one end of a second transmission rod 17 is fixedly connected with a second bevel gear 16, and the other end of the, the second transmission rod 17 is rotatably connected with the box body 1.

When the multifunctional box is used, the box body 1 is opened through the box cover 2, the first crank handle 4 is shaken to drive the first transmission rod 13 to rotate, the first transmission rod 13 drives the first gear 12 to rotate, the first gear 12 drives the rack 11 to upwards rise, the rack 11 pushes the display platform 6 to rise, the inner rod 19 rises along the inside of the outer sleeve 20, the limiting rod 5 is pushed to drive the limiting chuck 21 to be clamped with the second gear 22 after reaching a proper height to limit the rotation of the first transmission rod 13, the height of the display platform 6 is fixed, the three-dimensional model is placed on the surface of the display platform 6 to be displayed, the second handle 18 is shaken to drive the second transmission rod 17 to rotate, the second bevel gear 16 is driven by the second transmission rod 17 to rotate along the surface of the first bevel gear 15, the first bevel gear 15 is driven by the second bevel gear 16 to horizontally rotate, the outer sleeve 20 is driven by the first bevel gear 15 to rotate along the, the inner rod 19 is driven to rotate by the outer sleeve 20, and the display stand 6 is driven to rotate by the inner rod 19, so that the stereoscopic model can be comprehensively displayed.

The application has the advantages that:

1. the first crank is shaken to drive the first transmission rod to rotate, the first transmission rod drives the first gear to rotate, the first gear drives the rack to lift upwards, the display platform is pushed to lift through the rack, the inner rod rises along the inner part of the outer sleeve, the limiting rod is pushed to drive the limiting chuck to be clamped with the second gear after reaching a proper height so as to limit the rotation of the first transmission rod, the height of the display platform is fixed, the three-dimensional model is placed on the surface of the display platform to be displayed, and students can conveniently observe the three-dimensional model at different visual angles through height adjustment;

2. this application is rational in infrastructure, crosses and wave No. two handles and drive No. two transfer lines and rotate, drives No. two bevel gear through No. two transfer lines and rotates along a bevel gear surface, drives a bevel gear level through No. two bevel gear and rotates, drives outside sleeve pipe through a bevel gear and rotates along the bearing, drives interior pole through outside sleeve pipe and rotates, drives the show stand by interior pole and rotates, carries out comprehensive show to the stereoscopic model.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a primary school's mathematics three-dimensional model teaching display device which characterized in that: including elevating system and slewing mechanism, elevating system includes box (1), dead lever (10), show stand (6), a gear (12) and No. two gears (22), box (1) rotates with case lid (2) and is connected, dead lever (10) are connected with box (1) inside fixed surface, and dead lever (10) and limiting plate (9) sliding connection, limiting plate (9) surface and rack (11) fixed connection, show stand (6) surface is provided with spout (7), spout (7) and slider (8) sliding connection, a gear (12) and rack (11) meshing, and a gear (12) and a transfer line (13) fixed connection, a transfer line (13) and a crank (4) fixed connection, No. two gears (22) and a transfer line (13) fixed surface connection, the second gear (22) is in sliding clamping connection with the limiting clamping head (21), the limiting clamping head (21) is fixedly connected with the limiting rod (5), and the limiting rod (5) is in sliding connection with the shell (3);

the rotating mechanism comprises a bearing (14), a first bevel gear (15) and a second bevel gear (16), the bearing (14) is fixedly connected with the inner surface of the box body (1), the bearing (14) is rotatably connected with an outer sleeve (20), the first bevel gear (15) is fixedly connected with the surface of the outer sleeve (20), the outer sleeve (20) is in sliding sleeve connection with an inner rod (19), the inner rod (19) is fixedly connected with the surface of the display stand (6), the second bevel gear (16) is in meshing connection with the first bevel gear (15), the second bevel gear (16) is fixedly connected with a second transmission rod (17), and the second transmission rod (17) is fixedly connected with a second handle (18).

2. The primary school mathematics three-dimensional model teaching display device of claim 1, characterized in that: the surface of the box body (1) is provided with two fixing rods (10), and the two fixing rods (10) are respectively in sliding sleeve joint with the limiting plate (9).

3. The primary school mathematics three-dimensional model teaching display device of claim 1, characterized in that: one end of the rack (11) is fixedly connected with the surface of the limiting plate (9), and the other end of the rack (11) is fixedly connected with the surface of the sliding block (8).

4. The primary school mathematics three-dimensional model teaching display device of claim 1, characterized in that: one end of the first transmission rod (13) is fixedly connected with the first gear (12), the other end of the first transmission rod (13) penetrates through the surfaces of the box body (1) and the shell (3) and is fixedly connected with the first crank (4), and the first transmission rod (13) is rotatably connected with the box body (1) and the shell (3) respectively.

5. The primary school mathematics three-dimensional model teaching display device of claim 1, characterized in that: the bearing (14) is positioned at the center of the bottom of the box body (1), and the inner rod (19) is fixedly connected with the center of the display stand (6).

6. The primary school mathematics three-dimensional model teaching display device of claim 1, characterized in that: one end of the second transmission rod (17) is fixedly connected with the second bevel gear (16), the other end of the second transmission rod (17) penetrates through the surface of the box body (1) and is fixedly connected with the second handle (18), and the second transmission rod (17) is rotatably connected with the box body (1).