CN214541247U

CN214541247U - Middle-position mathematics three-dimensional model teaching display device

Info

Publication number: CN214541247U
Application number: CN202120149691.7U
Authority: CN
Inventors: 徐宙亨
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-10-29
Anticipated expiration: 2031-01-20

Abstract

The application discloses middle-position mathematics three-dimensional model teaching display device, including show base and setting at inboard L type fixed plate, first threaded rod, second threaded rod, first bevel gear and the second bevel gear of show base, the show base has the first threaded rod of through connection, the first bevel gear of first threaded rod fixed surface connection, first bevel gear one side meshing connection second bevel gear. In order to facilitate height adjustment, the fixed handle is rotated, the fixed handle drives the rotating disc fixedly connected with the fixed handle to rotate, the rotating disc drives the first threaded rod fixedly connected with the rotating disc to rotate, the first threaded rod drives the first bevel gear fixedly connected with the first threaded rod to rotate, the first bevel gear drives the second bevel gear meshed with the first bevel gear to rotate, the second bevel gear drives the second threaded rod fixedly connected with the second bevel gear to rotate, meanwhile, the second threaded rod drives the movable plate in threaded connection with the second threaded rod to move upwards, and meanwhile, the three-dimensional model above the movable plate is driven to move upwards, so that the function of facilitating height adjustment is achieved, and students in the back row can watch the movable plate conveniently.

Description

Middle-position mathematics three-dimensional model teaching display device

Technical Field

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

Background

Mathematics is a subject of the concepts such as research quantity, structure, change, space and information, belongs to the scientific one of form from a certain angle, and mathematics is one of comparatively important subject, in the mathematical education of middle-position, often contains partial geometry, and the teacher generally comes to show solid geometry model to the student through mathematics solid model, makes things convenient for the student can more audio-visual understanding solid geometry figure, can use model teaching display device when showing solid model.

The existing benefit model teaching display device has single structural function, most display devices are inconvenient to adjust the height, and are inconvenient for the user to watch the benefit model teaching display device in the back row of a classroom; meanwhile, most of the display devices cannot rotate, and students cannot observe the three-dimensional model more intuitively. Therefore, a middle-position mathematics three-dimensional model teaching display device is provided for the above problems.

Disclosure of Invention

A middle-position mathematics three-dimensional model teaching display device comprises a display base, an L-shaped fixing plate, a first threaded rod, a second threaded rod, a first bevel gear and a second bevel gear, wherein the L-shaped fixing plate, the first threaded rod, the second threaded rod, the first bevel gear and the second bevel gear are arranged on the inner side of the display base, the first threaded rod is in penetrating connection with the first threaded rod, the first bevel gear is in fixed connection with the first bevel gear in a surface manner, the second bevel gear is in meshing connection with the second bevel gear in one side manner, the top of the second bevel gear penetrates through the display base and the fixing block, the second threaded rod is in threaded connection with a movable plate in one side manner, the movable plate is in fixed connection with a fixed shell in the top manner, the inner side of the fixed shell is rotatably connected with a second rotating rod, the second rotating rod is in one side fixed connection with the second gear, the second rotating rod penetrates through a circular baffle and is fixedly connected with a clamping seat, the circular baffle is in one side of the second rotating rod is in meshed connection with the first gear, first gear one side fixed connection first rotation pole, the standing groove has been seted up to show base top one side, form the rotation groove with first rotation pole adaptation between circular baffle top and the set casing top.

Further, the right side of the first threaded rod is fixedly connected with a rotating disc, and the right side of the rotating disc is fixedly connected with a fixed handle.

Furthermore, the inside left and right sides fixed connection L type fixed plate of show base, the through-hole with first threaded rod and second threaded rod looks adaptation is seted up respectively to L type fixed plate both sides.

Furthermore, the top of the display base penetrates through the bearing outer ring symmetrically and is fixedly connected with the bearing inner ring, and the bearing inner ring is fixedly connected with the surface of the second threaded rod.

Further, first pivot pole bottom is the arc form, just first pivot pole bottom sliding connection set casing inboard bottom, just the arc wall with first pivot pole looks adaptation is seted up to the inboard bottom of set casing.

Further, the top of the first rotating rod is in threaded connection with a movable handle, and a threaded hole matched with the movable handle is formed in the top of the first rotating rod.

The beneficial effect of this application is: the application provides a middle-position 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 an enlarged view of a portion of the structure at A in FIG. 1 according to an embodiment of the present disclosure;

in the figure: 1. the display device comprises a display base, 2, a fixed handle, 3, a rotating disc, 4, an L-shaped fixed plate, 5, a first threaded rod, 6, a first bevel gear, 7, a second bevel gear, 8, a second threaded rod, 9, a fixed block, 10, a placing groove, 11, a bearing, 12, a movable plate, 13, a fixed shell, 14, an arc-shaped groove, 15, a first rotating rod, 16, a movable handle, 17, a threaded hole, 18, a first gear, 19, a second gear, 20, a second rotating rod, 21, a circular baffle, 22, a clamping seat, 23 and a rotating groove.

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. 1-3, a middle-position mathematics three-dimensional model teaching display device includes a display base 1, and an L-shaped fixing plate 4, a first threaded rod 5, a second threaded rod 8, a first bevel gear 6 and a second bevel gear 7 which are arranged inside the display base 1, wherein the display base 1 is provided with the first threaded rod 5 which is connected in a penetrating manner, the first threaded rod 5 is fixedly connected with the first bevel gear 6 on the surface, one side of the first bevel gear 6 is engaged with the second bevel gear 7, the top of the second bevel gear 7 is connected with the display base 1 and the fixing block 9 in a penetrating manner, one side of the surfaces of the two second threaded rods 8 is connected with a movable plate 12 in a penetrating manner, the top of the movable plate 12 is fixedly connected with a fixed shell 13, the inner side of the fixed shell 13 is connected with a second rotating rod 20 in a rotating manner, one side of the second rotating rod 20 is fixedly connected with a second gear 19, the second rotating rod 20 is fixedly connected with a circular baffle 21 and a clamping seat 22, second dwang 20 one side fixed connection circular baffle 21, first gear 18 is connected in the meshing of second gear 19 one side, the first dwang 15 of first gear 18 one side fixed connection, standing groove 10 has been seted up to show base 1 top one side, form between circular baffle 21 top and the set casing 13 top with the rotating groove 23 of first dwang 15 adaptation.

The right side of the first threaded rod 5 is fixedly connected with a rotating disc 3, and the right side of the rotating disc 3 is fixedly connected with a fixed handle 2; the left side and the right side of the inside of the display base 1 are fixedly connected with an L-shaped fixing plate 4, and through holes matched with the first threaded rod 5 and the second threaded rod 8 are respectively formed in two sides of the L-shaped fixing plate 4; the top of the display base 1 is symmetrically penetrated and fixedly connected with an outer ring of a bearing 11, and an inner ring of the bearing 11 is fixedly connected with the surface of the second threaded rod 8; the bottom of the first rotating rod 15 is arc-shaped, the bottom of the first rotating rod 15 is slidably connected with the bottom of the inner side of the fixed shell 13, and an arc-shaped groove matched with the first rotating rod 15 is formed in the bottom of the inner side of the fixed shell 13; the top of the first rotating rod 15 is connected with a movable handle 16 in a threaded manner, and the top of the first rotating rod 15 is provided with a threaded hole 17 matched with the movable handle 16.

When the demonstration device is used, electrical components appearing in the demonstration device are externally connected with a power supply and a control switch when the demonstration device is used, firstly, a three-dimensional model is placed in a clamping seat 22 when the demonstration device needs to be demonstrated, a fixed handle 2 is rotated, the fixed handle 2 drives a rotating disc 3 fixedly connected with the fixed handle to rotate, the rotating disc 3 drives a first threaded rod 5 fixedly connected with the rotating disc 3 to rotate, the first threaded rod 5 drives a first bevel gear 6 fixedly connected with the first threaded rod to rotate, the first bevel gear 6 drives a second bevel gear 7 meshed with the first bevel gear to rotate, the second bevel gear 7 drives a second threaded rod 8 fixedly connected with the second threaded rod to rotate, meanwhile, the second threaded rod 8 drives a movable plate 12 in threaded connection with the second threaded rod to move upwards, and meanwhile, the three-dimensional model above is driven to move upwards, so that the function of conveniently adjusting the height is realized, and the demonstration device is convenient for students in back rows to watch; when the three-dimensional model needs to be rotated, the movable handle 16 is taken out of the placing groove 10, the movable handle is connected to the first rotating rod 15 in a threaded mode, the movable handle 16 is rotated, the movable handle 16 drives the first gear 18 fixedly connected with the movable handle through the first rotating rod 15 to rotate, the first gear 18 drives the second gear 19 meshed with the movable handle to rotate, meanwhile, the bottom of the first rotating rod 15 is arc-shaped and slides in the arc-shaped groove 14 formed in the inner side of the fixed shell 13, friction force is reduced, sliding is facilitated, the second gear 19 drives the clamping seat 22 fixedly connected with the second rotating rod 20 to rotate, meanwhile, the three-dimensional model clamped in the clamping seat 22 is driven to rotate, after the rotation is finished, the movable handle 16 is screwed down, the rotating function is achieved, and meanwhile, the stereoscopic model can be conveniently and visually observed by students.

The application has the advantages that:

1. in order to adjust the height conveniently, the fixed handle is rotated, the fixed handle drives the rotating disc fixedly connected with the fixed handle to rotate, the rotating disc drives the first threaded rod fixedly connected with the rotating disc to rotate, the first threaded rod drives the first bevel gear fixedly connected with the first bevel gear to rotate, the first bevel gear drives the second bevel gear meshed with the first bevel gear to rotate, the second bevel gear drives the second threaded rod fixedly connected with the second bevel gear to rotate, meanwhile, the second threaded rod drives the movable plate in threaded connection with the second bevel gear to move upwards, and meanwhile, the upper three-dimensional model is driven to move upwards, so that the function of conveniently adjusting the height is realized, and the back-row students can conveniently watch the height;

2. this application is rational in infrastructure, when needs rotate the stereomodel, take out the removal handle in the standing groove, with its threaded connection on first dwang, the removal handle rotates, the removal handle drives the first gear rotation rather than the rigid coupling through first dwang, first gear drive rather than the second gear rotation of meshing, first dwang bottom slides in the arc wall that the set casing inboard was seted up for the arc form simultaneously, it is convenient for slide to reduce frictional force, the second gear drives the cassette rotation rather than the rigid coupling through the second dwang, it rotates to drive the stereomodel of joint in the cassette simultaneously, after rotating, twist off the removal handle, the pivoted function has been realized, be convenient for simultaneously students more audio-visual watching again, the rationality of structure has been embodied.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

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 middle-position mathematics three-dimensional model teaching display device which characterized in that: comprises a display base (1), an L-shaped fixing plate (4), a first threaded rod (5), a second threaded rod (8), a first bevel gear (6) and a second bevel gear (7), wherein the L-shaped fixing plate, the first threaded rod (5), the second threaded rod (8), the first bevel gear (5) and the second bevel gear (7) are arranged on the inner side of the display base (1), the first threaded rod (5) is fixedly connected with the first bevel gear (6), one side of the first bevel gear (6) is meshed with the second bevel gear (7), the top of the second bevel gear (7) penetrates through the display base (1) and a fixing block (9), two second threaded rods (8) are fixedly connected with a surface side through a threaded connection moving plate (12), the top of the moving plate (12) is fixedly connected with a fixed shell (13), the inner side of the fixed shell (13) is rotatably connected with a second rotating rod (20), and one side of the second rotating rod (20) is fixedly connected with a second gear (19), second dwang (20) run through circular baffle (21) and cassette (22) fixed connection, second dwang (20) one side fixed connection circular baffle (21), second gear (19) one side meshing is connected first gear (18), first gear (18) one side fixed connection first dwang (15), standing groove (10) have been seted up to show base (1) top one side, form between circular baffle (21) top and set casing (13) top and rotate groove (23) with first dwang (15) adaptation.

2. The apparatus according to claim 1, wherein the apparatus comprises: the right side of the first threaded rod (5) is fixedly connected with the rotating disc (3), and the right side of the rotating disc (3) is fixedly connected with the fixed handle (2).

3. The apparatus according to claim 1, wherein the apparatus comprises: show base (1) inside left and right sides fixed connection L type fixed plate (4), the through-hole with first threaded rod (5) and second threaded rod (8) looks adaptation is seted up respectively to L type fixed plate (4) both sides.

4. The apparatus according to claim 1, wherein the apparatus comprises: the top of the display base (1) is symmetrically penetrated and fixedly connected with an outer ring of a bearing (11), and an inner ring of the bearing (11) is fixedly connected with the surface of a second threaded rod (8).

5. The apparatus according to claim 1, wherein the apparatus comprises: the bottom of the first rotating rod (15) is arc-shaped, the bottom of the first rotating rod (15) is slidably connected with the inner bottom of the fixed shell (13), and an arc-shaped groove matched with the first rotating rod (15) is formed in the inner bottom of the fixed shell (13).

6. The apparatus according to claim 1, wherein the apparatus comprises: the top of the first rotating rod (15) is in threaded connection with a movable handle (16), and the top of the first rotating rod (15) is provided with a threaded hole (17) matched with the movable handle (16).