CN210667377U

CN210667377U - Multifunctional mathematical teaching device

Info

Publication number: CN210667377U
Application number: CN201921845945.8U
Authority: CN
Inventors: 尤广芬
Original assignee: HEGANG TEACHERS COLLEGE TRAINING SCHOOL
Current assignee: HEGANG TEACHERS COLLEGE TRAINING SCHOOL
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-06-02
Anticipated expiration: 2029-10-30

Abstract

The utility model relates to a teaching aid technical field specifically discloses a multi-functional mathematical education device, all be provided with the under casing of truckle including its bottom surface four corners, it is equipped with the lifting disk to slide from top to bottom in the under casing, still be equipped with in the under casing and be used for the adjustment the height adjusting mechanism of the high position that the lifting disk locates, erection bracing post on the lifting disk, the top fixed mounting of support column have the supporting platform who is used for placing mathematical education model, the last still that is equipped with of supporting platform is used for pressing from both sides the clamping components who presss from both sides tight fixed to the mathematical model of placing on the supporting platform. The embodiment of the utility model can push the splint on the elastic support part to move towards the mathematical model on the support platform, so as to realize the clamping and fixing of the mathematical model, and the elastic support part can avoid the rigid extrusion of the splint on the mathematical model; and the height of the mathematical model can be adjusted through the height adjusting mechanism.

Description

Multifunctional mathematical teaching device

Technical Field

The utility model relates to a teaching aid technical field specifically is a multi-functional mathematical education device.

Background

When a teacher gives lessons to students, the teacher especially explains abstract problems, and often in order to enable the students to better understand the abstract problems, the teacher needs to spend a lot of time for explanation, teaching time can be wasted, the teaching process, especially mathematics, can be boring, the students lack enthusiasm, and learning efficiency is low.

The mathematics demonstration refers to a common scene in the mathematics teaching, and is beneficial to solving the contradiction between the abstract of the mathematics knowledge and the concrete nature of the student thinking. In the mathematical education field, for giving the student with audio-visual impression, consequently often adopt some specific models to demonstrate, like circular cone, terrace with edge and cylinder etc. the teacher demonstrates the student through handheld these models, and this kind of show mode is more primitive, can not satisfy actual teaching's user demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional mathematical education device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a multifunctional mathematical teaching device comprises a bottom case, wherein four corners of the bottom surface of the bottom case are provided with trundles, a lifting disc is arranged in the bottom case in a vertically sliding manner, a height adjusting mechanism for adjusting the height position of the lifting disc is also arranged in the bottom case, a supporting column is arranged on the lifting disc, a supporting platform for placing a mathematical teaching model is fixedly arranged at the top end of the supporting column, and a clamping assembly for clamping and fixing the mathematical model placed on the supporting platform is also arranged on the supporting platform;

the clamping assembly comprises a rectangular cavity arranged at the end part of the supporting platform and a supporting screw rod rotatably arranged in the rectangular cavity, and further comprises a rectangular threaded sleeve horizontally and slidably arranged in the rectangular cavity, the rectangular threaded sleeve is sleeved on the supporting screw rod in a threaded connection mode, and an adjusting handle is fixedly arranged at the end part of the supporting screw rod extending out of the supporting platform;

the rectangular screw sleeve is further fixedly provided with an elastic supporting piece, and a clamping end of the elastic supporting piece is provided with a clamping plate.

As a further aspect of the present invention: the top plate upper surface of under casing still is provided with the protection casing, utilizes high adjustment mechanism to adjust the lifting disk downstream in the under casing, can make in the supporting platform indentation protection casing, and the protection casing at this moment can protect supporting platform and the mathematical model on the supporting platform.

As a further aspect of the present invention: the protection casing adopts transparent toughened glass to make to under guaranteeing the mathematical education environment, the student can be audio-visual sees the mathematical model of placing on supporting platform.

As a further aspect of the present invention: the supporting device comprises a supporting block, a supporting cavity is formed in the supporting block, the bottom end of the supporting block is fixedly mounted on the rectangular screw sleeve, a supporting sliding plate which is arranged in the supporting cavity in a sliding mode is arranged in the supporting cavity, a supporting spring which the elastic supporting piece comprises is fixedly connected in the supporting cavity, the supporting sliding plate is connected and erected on the supporting spring, and the clamping plate is fixedly mounted on the supporting rod and extends to the supporting rod in the supporting cavity and fixedly connected with the supporting sliding plate.

As a further aspect of the present invention: the supporting structure is characterized in that a supporting through hole is formed in a top plate of the bottom box, and the supporting column penetrates through the supporting through hole and is arranged in a sliding mode.

Do the utility model discloses further scheme: the height adjusting mechanism comprises a supporting screw rod which is rotatably arranged in the bottom box and a forward and backward rotating motor which is used for driving the supporting screw rod to rotate, the lifting disc is sleeved on the supporting screw rod in a threaded connection mode through a supporting threaded sleeve which is fixedly arranged along the central axis of the lifting disc, and the height position of the lifting disc in the bottom box can be adjusted according to the rotating direction of the supporting screw rod.

Do the utility model discloses further scheme: in order to ensure the stability of the lifting disc during up-and-down motion in the bottom box, a guide rail block is fixedly arranged on the outer ring of the lifting disc, and a guide rail groove in sliding fit with the guide rail block is formed in the inner wall of the inner cavity of the bottom box.

Do the utility model discloses further scheme: and a limiting block is fixedly arranged in the inner cavity at the lower part of the bottom box and is used for limiting the stroke of the lifting disc moving up and down.

Do the utility model discloses further scheme: and a driving gear is mounted on an output shaft of the forward and reverse rotation motor, and a driven gear meshed with the driving gear is fixedly sleeved on the outer ring of the lower part of the supporting screw rod.

Compared with the prior art, in the mathematical teaching device provided by the embodiment of the utility model, the support screw rod is driven to rotate by operating the adjusting handle, the position of the rectangular screw sleeve in the rectangular cavity is adjusted, the clamping plate on the elastic supporting piece can be pushed to move towards the mathematical model on the supporting platform, so as to realize the clamping and fixing of the mathematical model, and the direct rigid extrusion of the clamping plate on the mathematical model can be avoided by the arranged elastic supporting piece, so as to avoid the damage of the mathematical model; the positive and negative rotation motor that inserts the power and start drives the support lead screw rotatory, according to the direction of rotation of support lead screw, adjusts the high position that the lifting disk is located in the under casing, and then realizes the regulation to the high position that supporting platform is located to the height that the mathematical model is located is adjusted.

Drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

Fig. 1 is the embodiment of the utility model provides a multifunctional mathematical education device's schematic structure diagram.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is the embodiment of the utility model provides a three-dimensional structure sketch map of lifting disk in multi-functional mathematical education device.

In the figure: 1-bottom box, 2-truckle, 3-protective cover, 4-supporting platform, 5-supporting column, 6-lifting disk, 7-guide rail groove, 8-limiting block, 9-guide rail block, 10-supporting screw sleeve, 11-supporting screw rod, 12-driven gear, 13-positive and negative rotation motor, 14-driving gear, 15-rectangular cavity, 16-supporting through hole, 17-adjusting handle, 18-rectangular screw sleeve, 19-supporting screw rod, 20-supporting block, 21-supporting cavity, 22-supporting spring, 23-supporting rod and 24-clamping plate.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

As shown in fig. 1-3, in an embodiment of the utility model provides an in, a multi-functional mathematical education device, all be provided with the under casing 1 of truckle 2 including its bottom surface four corners, it is equipped with the lifting disk 6 to slide from top to bottom in the under casing 1, still be equipped with in the under casing 1 and be used for the adjustment the height adjusting mechanism of the high position that lifting disk 6 is located, erection bracing post 5 on the lifting disk 6, the top fixed mounting of support post 5 have a supporting platform 4 that is used for placing mathematical education model, still be equipped with on the supporting platform 4 and be used for pressing from both sides the tight fixed centre gripping subassembly of clamp to the mathematical model that places on supporting platform 4, can make the mathematical model of placing on supporting platform 4 remain stable, safe and reliable through the centre gripping subassembly.

Specifically, in the embodiment provided by the utility model, the roof upper surface of under casing 1 still is provided with protection casing 3, utilizes height adjustment mechanism adjustment lifter plate 6 downstream in under casing 1, can make in supporting platform 4 indentation protection casing 3, and protection casing 3 at this moment can protect supporting platform 4 and the mathematical model on supporting platform 4, and is further, protection casing 3 adopts transparent toughened glass to make to under guaranteeing the mathematical education environment, the student can audio-visually see the mathematical model of placing on supporting platform 4.

Further, in the embodiment of the present invention, the clamping assembly includes a rectangular cavity 15 disposed at an end of the supporting platform 4 and a supporting screw 19 rotatably disposed in the rectangular cavity 15, the clamping assembly further includes a rectangular screw sleeve 18 horizontally slidably disposed in the rectangular cavity 15, the rectangular screw sleeve 18 is sleeved on the supporting screw 19 in a threaded connection manner, an adjusting handle 17 is fixedly mounted at an end of the supporting screw 19 extending out of the supporting platform 4, the supporting screw 19 is driven to rotate by operating the adjusting handle 17, and a position of the rectangular screw sleeve 18 in the rectangular cavity 15 can be adjusted according to a rotation direction of the supporting screw 19;

furthermore, in the embodiment provided by the present invention, an elastic supporting member is further fixedly disposed on the rectangular screw sleeve 18, and a clamping plate 24 is disposed at a clamping end of the elastic supporting member; through the position that rectangle swivel nut 18 located in rectangular cavity 15, can promote the last splint 24 of elastic support piece and move towards the mathematical model on the supporting platform 4 to the clamping that realizes the mathematical model is fixed, and through the elastic support piece who sets up, can avoid the direct rigid extrusion of splint 24 to the mathematical model, in order to avoid the mathematical model impaired.

With reference to fig. 1-2, in an embodiment of the present invention, the elastic supporting member includes a supporting block 20 having a supporting cavity 21, a bottom end of the supporting block 20 is fixedly mounted on the rectangular threaded sleeve 18, a supporting slide plate included in the elastic supporting member is slidably disposed in the supporting cavity 21, a supporting spring 22 included in the elastic supporting member is fixedly connected in the supporting cavity 21, the supporting slide plate is connected to the supporting spring 22, and the clamp plate 24 is fixedly mounted on the supporting rod 23, and extends to the supporting rod 23 in the supporting cavity 21 and is fixedly connected to the supporting slide plate.

As shown in fig. 1, in the embodiment of the present invention, a supporting through hole 16 is opened on a top plate of the bottom case 1, and the supporting column 5 is slidably disposed in the supporting through hole 16.

Example 2

With continuing reference to fig. 1 and fig. 3, different from embodiment 1, in an embodiment of the present invention, the height adjusting mechanism includes a support screw 11 rotatably disposed in the bottom case 1 and a forward and backward rotation motor 13 for driving the support screw 11 to rotate, the lifting disc 6 is sleeved on the support screw 11 in a threaded connection manner through a support threaded sleeve 10 fixedly disposed along a central axis thereof, and a height position of the lifting disc 6 in the bottom case 1 can be adjusted according to a rotation direction of the support screw 11;

further, for the stability of assurance lifter plate 6 when the up-and-down motion in the bottom case 1, the outer lane fixed mounting of lifter plate 6 has guide rail piece 9, seted up on the inner chamber inner wall of bottom case 1 with guide rail piece 9 looks sliding fit's guide rail groove 7.

Further, in the embodiment provided by the utility model, still fixedly in the lower part inner chamber of under casing 1 being provided with stopper 8, stopper 8 is used for prescribing a limit to the stroke of lifting disk 6 up-and-down motion.

Please continue to refer to fig. 1, in the embodiment of the present invention, the driving gear 14 is installed on the output shaft of the forward and reverse motor 13, the lower outer ring of the support screw 11 is fixedly sleeved with the driven gear 12 engaged with the driving gear 14, in this embodiment, the forward and reverse motor 13 that is connected to the power supply and started is used to drive the support screw 11 to rotate, and according to the rotating direction of the support screw 11, the height position of the lifting disc 6 in the bottom case 1 is adjusted, so as to adjust the height position of the support platform 4, thereby adjusting the height of the mathematical model.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A multifunctional mathematical teaching device is characterized by comprising a bottom case (1) with casters (2) arranged at four corners of the bottom surface of the bottom case, wherein a lifting disc (6) is arranged in the bottom case (1) in a vertically sliding manner, a height adjusting mechanism for adjusting the height position of the lifting disc (6) is also arranged in the bottom case (1), a supporting column (5) is arranged on the lifting disc (6), a supporting platform (4) for placing a mathematical teaching model is fixedly arranged at the top end of the supporting column (5), and a clamping assembly for clamping and fixing the mathematical model placed on the supporting platform (4) is also arranged on the supporting platform (4);

the clamping assembly comprises a rectangular cavity (15) arranged at the end part of the supporting platform (4) and a supporting screw rod (19) rotatably arranged in the rectangular cavity (15), the clamping assembly further comprises a rectangular screw sleeve (18) horizontally and slidably arranged in the rectangular cavity (15), the rectangular screw sleeve (18) is sleeved on the supporting screw rod (19) in a threaded connection mode, and an adjusting handle (17) is fixedly arranged at the end part of the supporting screw rod (19) extending out of the supporting platform (4);

an elastic supporting piece is further fixedly arranged on the rectangular threaded sleeve (18), and a clamping plate (24) is arranged at the clamping end of the elastic supporting piece.

2. The multi-functional mathematical education device according to claim 1 characterized in that the top plate upper surface of the bottom case (1) is further provided with a protection cover (3).

3. The multifunctional mathematical teaching device according to claim 2, characterized in that the protective cover (3) is made of transparent tempered glass.

4. The multifunctional mathematical education device as claimed in claim 2, wherein the elastic support member includes a support block (20) having a support cavity (21) formed thereon, the bottom end of the support block (20) is fixedly mounted on the rectangular screw sleeve (18), a support slide plate included in the elastic support member is slidably disposed in the support cavity (21), a support spring (22) included in the elastic support member is fixedly connected in the support cavity (21), the support slide plate connection frame is disposed on the support spring (22), the clamp plate (24) is fixedly mounted on a support rod (23), and the support rod (23) extending into the support cavity (21) is fixedly connected with the support slide plate.

5. The multifunctional mathematical education device according to any one of claims 2 to 4 wherein a top plate of the bottom case (1) is provided with a support through hole (16), and the support column (5) is slidably disposed in the support through hole (16).

6. The multifunctional mathematical education device as claimed in any one of claims 1 to 4 wherein the height adjustment mechanism comprises a support screw (11) rotatably disposed in the bottom case (1) and a forward and reverse rotation motor (13) for driving the support screw (11) to rotate, and the lifting plate (6) is sleeved on the support screw (11) in a threaded connection manner through a support threaded sleeve (10) fixedly disposed along the central axis thereof.

7. The multifunctional mathematical education device according to claim 6, characterized in that a guide rail block (9) is fixedly installed on the outer ring of the lifting disc (6), and a guide rail groove (7) which is in sliding fit with the guide rail block (9) is formed on the inner wall of the inner cavity of the bottom case (1).

8. The multifunctional mathematical education device as claimed in claim 7, characterized in that a limit block (8) is further fixedly arranged in the lower inner cavity of the bottom case (1).

9. The multifunctional mathematical education device as claimed in claim 8, wherein the output shaft of the forward and reverse rotation motor (13) is provided with a driving gear (14), and the outer ring of the lower part of the support screw rod (11) is fixedly sleeved with a driven gear (12) engaged with the driving gear (14).