CN214671333U

CN214671333U - Dedicated model display device of mathematical education

Info

Publication number: CN214671333U
Application number: CN202120735401.7U
Authority: CN
Inventors: 李慧兰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-11-09
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a dedicated model display device of mathematical education belongs to teaching tool technical field, and it includes the box, the right flank joint of box has the casing, be provided with the promotion subassembly in the casing, the equal fixedly connected with lug of the left surface of promotion subassembly and the right flank of box, be provided with the second piston in the casing, the left surface fixedly connected with ratch of second piston. This dedicated model display device of mathematical education through setting up promotion subassembly, second piston, ratch, rotating assembly, backup pad, place board and upset subassembly for this device helps the student to observe the view of different faces through rotatory and upset mathematical model, and not only easy operation has effectively saved the time in addition, and has avoided putting the problem that just influences the observation, and this device can not need handheld state of placing that can keep the view simultaneously, thereby can assist the teaching personnel to carry out good teaching work.

Description

Dedicated model display device of mathematical education

Technical Field

The utility model belongs to the technical field of the teaching tool, specifically be a dedicated model display device of mathematical education.

Background

In the process of studying mathematics, the model is often required to be used so as to facilitate the viewing of three views by students, the three views of the model are generally viewed in a handheld mode in the prior art, when a student needs to view the three views, the three views are required to be turned over and viewed in sequence, the operation is troublesome, long time can be wasted, normal viewing effect can be influenced due to incorrect placement, and therefore the problem is solved by a model display device special for mathematical teaching.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a dedicated model display device of mathematical education has solved generally through watching the three views of model with handheld mode among the prior art, when the student need carry out watching of three views, need turn over in proper order and look over, and is comparatively troublesome, can waste the longer time moreover, and the problem that normally watches the effect because put not just in addition probably influences.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dedicated model display device of mathematical education, includes the box, the right flank joint of box has the casing, be provided with the promotion subassembly in the casing, the equal fixedly connected with lug of the left surface of promotion subassembly and the right flank of box, be provided with the second piston in the casing, the left surface fixedly connected with ratch of second piston, ratch and rotating assembly meshing, the lower surface of rotating assembly joint at the box inner wall, rotating assembly's top fixedly connected with backup pad, the last fixed surface of backup pad is connected with the upset subassembly, the board is placed to the last fixed surface of upset subassembly is connected with.

As a further aspect of the present invention: the pushing assembly comprises a pushing plate, the pushing plate is fixedly connected to the right side face of the protruding block, the lower surface of the pushing plate is fixedly connected with the upper surface of the first piston through a pushing rod, the first piston is arranged in the shell, and the lower surface of the first piston is fixedly connected with the lower surface of the inner wall of the shell through a spring.

As a further aspect of the present invention: the rotating assembly comprises a bearing, the bearing is connected to the lower surface of the inner wall of the shell in a clamped mode, a rotating shaft is sleeved in the bearing, the rotating shaft is fixedly connected to the lower surface of the supporting plate, a gear is connected to the outer portion of the rotating shaft in a clamped mode, and the gear is meshed with the toothed bar.

As a further aspect of the present invention: the box is characterized in that two drawer boxes are arranged in the box body, a baffle is fixedly connected to the upper surface of the box body, a plurality of small suckers are fixedly connected to the upper surface of the placing plate, and four large suckers are fixedly connected to the lower surface of the box body.

As a further aspect of the present invention: the lower surface of the placing plate and the upper surface of the supporting plate are fixedly connected with big magnets, two magnets are in lap joint, the lower surface of the placing plate is fixedly connected with a rope, one end of the rope is fixedly connected with the upper surface of the supporting plate, the surface of the rope is fixedly connected with a plurality of small magnets, and the small magnets are in lap joint.

As a further aspect of the present invention: the upset subassembly includes two fixed blocks, two the equal fixed connection of fixed block is at the upper surface of backup pad, two the fixed block is articulated with the connecting block through same round pin axle, connecting block fixed connection is at the lower surface of placing the board, the front and the back of connecting block all through the torsional spring respectively with the opposite face fixed connection of two fixed blocks.

(III) advantageous effects

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

1. the model display device special for mathematical education presses the pushing component by arranging the pushing component, the second piston, the toothed bar, the rotating component, the supporting plate, the placing plate and the overturning component, the second piston pushes the rack bar to drive the rotating component to rotate, so that the supporting plate and the placing plate can rotate at a proper angle, so that the mathematical model on the surface of the placing plate can rotate the side views of different surfaces, and the placing plate can be turned to be in an upright state through the turning component, thereby being capable of observing the top view of the mathematical model, facilitating students to observe views of different surfaces by rotating and turning the mathematical model, not only having simple operation, but also effectively saving time, avoiding the problem that observation is influenced by improper arrangement, meanwhile, the device can keep the placing state of the view without being held by hands, so that teaching personnel can be assisted to carry out good teaching work.

2. This dedicated model display device of mathematical education through setting up the baffle, and the baffle can shelter from left article, avoids article to influence student's observation work in a jumble, has guaranteed the unicity of background when student observes mathematical model, is favorable to the student to discern mathematical model's form at a glance to the mesh that help student observed and understood has been played.

3. This dedicated model display device of mathematical education through setting up big sucking disc, and big sucking disc can pass through the negative pressure absorption at the mesa to can be to the rigidity of device, make that this device is placed more firm, avoid this device to appear empting the problem of damage in show mathematical model process, thereby can play the effect of protection to mathematical model.

Drawings

Fig. 1 is a schematic view of a three-dimensional cross-sectional structure of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic structural diagram of the turning assembly viewed from the right of the present invention;

in the figure: the device comprises a box body 1, a shell body 2, a pushing assembly 3, a pushing plate 31, a pushing rod 32, a first piston 33, a second piston 4, a toothed bar 5, a rotating assembly 6, a rotating shaft 61, a bearing 62, a gear 63, a supporting plate 7, an overturning assembly 8, a fixing block 81, a pin shaft 82, a connecting block 83, a torsion spring 84, a placing plate 9, a small suction cup 10, a rope 11, a small magnet 12, a large magnet 13, a baffle 14, a drawer 15, a large suction cup 16, a convex block 17 and a spring 18.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a dedicated model display device of mathematical education, including box 1, the right flank joint of box 1 has casing 2, be provided with in the casing 2 and promote subassembly 3, the left surface that promotes subassembly 3 and the equal fixedly connected with lug 17 of the right flank of box 1, through setting up lug 17, make two lugs 17 have certain compliance, and then can reach the purpose of mutual block through extrusion deformation, thereby can be to the position location of push pedal 31, be provided with second piston 4 in the casing 2, the left surface fixedly connected with ratch 5 of second piston 4, ratch 5 and rotating assembly 6 meshing, the lower surface of rotating assembly 6 joint at box 1 inner wall, the top fixedly connected with backup pad 7 of rotating assembly 6, the last fixed surface of backup pad 7 is connected with upset subassembly 8, the last fixed surface of upset subassembly 8 is connected with places board 9.

Specifically, as shown in fig. 1 and fig. 2, the pushing assembly 3 includes a pushing plate 31, the pushing plate 31 is arranged, and the pushing plate 31 can increase the hand force application surface of the teaching staff, thereby facilitating the control work of the teaching staff and improving the operation comfort, the pushing plate 31 is fixedly connected to the right side surface of the bump 17, the lower surface of the pushing plate 31 is fixedly connected to the upper surface of the first piston 33 through the pushing rod 32, the first piston 33 is arranged in the housing 2, the lower surface of the first piston 33 is fixedly connected to the lower surface of the inner wall of the housing 2 through the spring 18, by arranging the spring 18, the elastic force of the spring 18 can automatically push the first piston 33 to complete the reset upwards, thereby realizing the convenience of the operation of the device, the rotating assembly 6 includes a bearing 62, the bearing 62 is clamped to the lower surface of the inner wall of the housing 2, a rotating shaft 61 is sleeved in the bearing 62, by arranging the rotating shaft 61 and the bearing 62, the rotating shaft 61 can rotate in the bearing 62, so that the gear 63 and the support plate 7 can smoothly rotate, and observation of different side views of the mathematical model is facilitated, the rotating shaft 61 is fixedly connected to the lower surface of the support plate 7, the gear 63 is clamped outside the rotating shaft 61, the gear 63 is meshed with the rack bar 5, the rack bar 5 can move to drive the gear 63 to rotate by arranging the gear 63 and the rack bar 5, so that transmission of power direction can be realized, two drawer boxes 15 are arranged in the box body 1, the drawer boxes 15 can provide storage spaces for teaching tools by arranging the drawer boxes 15, so that the picking and placing work of teaching personnel is facilitated, the baffle 14 is fixedly connected to the upper surface of the box body 1, the baffle 14 can shield left articles by arranging the baffle 14, and the observation work of the teaching personnel is prevented from being influenced by disorder of the articles, the uniqueness of the background is ensured when a student observes the mathematical model, the student can be favorably identified with the shape of the mathematical model at a glance, so that the aim of helping the student observe and understand is fulfilled, the upper surface of the placing plate 9 is fixedly connected with a plurality of small suckers 10, the small suckers 10 can adsorb and position the mathematical model by arranging the small suckers 10, so that the problem that the mathematical model falls and is damaged can be avoided, the small suckers 10 can be suitable for adsorbing and fixing the mathematical models with different sizes, the lower surface of the box body 1 is fixedly connected with four large suckers 16, the large suckers 16 are arranged, and can be adsorbed on a table board through negative pressure, so that the position of the device can be fixed, the placing of the device is more stable, the problem that the device is damaged when toppled in the process of displaying the mathematical model is avoided, and the mathematical model can be protected, the lower surface of the placing plate 9 and the upper surface of the supporting plate 7 are fixedly connected with the large magnets 13, the two large magnets 13 are in lap joint, the two large magnets 13 are arranged and attached to each other in an attracting mode, the placing plate 9 can be positioned, the lower surface of the placing plate 9 is fixedly connected with the rope 11, the rope 11 is arranged, the length of the rope 11 is only enough to enable the placing plate 9 to be in a vertical state, the placing plate 9 is prevented from being overturned excessively, one end of the rope 11 is fixedly connected with the upper surface of the supporting plate 7, the surface of the rope 11 is fixedly connected with the small magnets 12, the two small magnets 12 are attached to each other in an attracting mode through the small magnets 12, the rope 11 can be folded, the problem that the rope 11 is scattered is avoided, and the two adjacent small magnets 12 are in lap joint.

Specifically, as shown in fig. 3, upset subassembly 8 includes two fixed blocks 81, the equal fixed connection of two fixed blocks 81 is at the upper surface of backup pad 7, two fixed blocks 81 are articulated through same round pin axle 82 and connecting block 83, through setting up round pin axle 82, and round pin axle 82 can provide the movable point for connecting block 83, and then make and place the work that board 9 can carry out the angle upset, connecting block 83 fixed connection is at the lower surface of placing board 9, the front and the back of connecting block 83 all through torsional spring 84 respectively with the opposite face fixed connection of two fixed blocks 81, through setting up torsional spring 84, and torsional spring 84's torsion can realize the work of placing board 9 upset automatically, thereby easily teaching personnel's operation.

The utility model discloses a theory of operation does:

s1, when the device is used, the position of the mathematical model is fixed through the small sucker 10, and then the push plate 31 is pressed down, so that the push plate 31 pushes the first piston 33 to move downwards through the push rod 32, the second piston 4 pushes the rack 5 to move, the rack 5 drives the gear 63 to rotate, and the gear 63 drives the rotating shaft 61 to rotate;

s2, driving the supporting plate 7 to rotate by the rotating shaft 61, enabling the placing plate 9 to drive the mathematical model to rotate by a proper angle, enabling the two convex blocks 17 to be clamped with each other in an extrusion deformation mode, and enabling a student to observe the side view of the mathematical model;

s3, if the mathematical model top view needs to be observed, the placing plate 9 is turned over, so that the two large magnets 13 are separated, the torsion of the torsion spring 84 can drive the placing plate 9 to turn over, the rope 11 extends, and under the action of the length of the rope 11, the placing plate 9 is in a vertical state, so that a student can observe the mathematical model top view.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a dedicated model display device of mathematical education, includes box (1), its characterized in that: the right flank joint of box (1) has casing (2), be provided with in casing (2) and promote subassembly (3), the equal fixedly connected with lug (17) of the left surface of promoting subassembly (3) and box (1), be provided with second piston (4) in casing (2), the left surface fixedly connected with ratch (5) of second piston (4), ratch (5) and rotating assembly (6) meshing, rotating assembly (6) joint is at the lower surface of box (1) inner wall, the top fixedly connected with backup pad (7) of rotating assembly (6), the last fixed surface of backup pad (7) is connected with upset subassembly (8), the last fixed surface of upset subassembly (8) is connected with and places board (9).

2. The model display device for mathematics teaching as claimed in claim 1, wherein: promote subassembly (3) including push pedal (31), push pedal (31) fixed connection is at the right flank of lug (17), the lower surface of push pedal (31) passes through the last fixed surface who push rod (32) and first piston (33) to be connected, first piston (33) set up in casing (2), the lower surface of first piston (33) passes through the lower fixed surface who spring (18) and casing (2) inner wall to be connected.

3. The model display device for mathematics teaching as claimed in claim 1, wherein: rotating assembly (6) include bearing (62), bearing (62) joint is at the lower surface of casing (2) inner wall, have cup jointed pivot (61) in bearing (62), pivot (61) fixed connection is at the lower surface of backup pad (7), pivot (61) outer joint has gear (63), gear (63) and ratch (5) meshing.

4. The model display device for mathematics teaching as claimed in claim 1, wherein: the improved box is characterized in that two drawing boxes (15) are arranged in the box body (1), a baffle (14) is fixedly connected to the upper surface of the box body (1), a plurality of small suckers (10) are fixedly connected to the upper surface of the placing plate (9), and four large suckers (16) are fixedly connected to the lower surface of the box body (1).

5. The model display device for mathematics teaching as claimed in claim 1, wherein: the lower surface of the placing plate (9) and the upper surface of the supporting plate (7) are fixedly connected with big magnets (13) in an equal mode, two the big magnets (13) are in lap joint, the lower surface of the placing plate (9) is fixedly connected with a rope (11), one end of the rope (11) is fixedly connected with the upper surface of the supporting plate (7), the surface of the rope (11) is fixedly connected with a plurality of small magnets (12), and two adjacent small magnets (12) are in lap joint.

6. The model display device for mathematics teaching as claimed in claim 1, wherein: upset subassembly (8) include two fixed blocks (81), two the upper surface of equal fixed connection in backup pad (7) of fixed block (81), two fixed block (81) are articulated through same round pin axle (82) and connecting block (83), connecting block (83) fixed connection is at the lower surface of placing board (9), the front and the back of connecting block (83) all through torsional spring (84) respectively with the opposite face fixed connection of two fixed blocks (81).