CN214955557U

CN214955557U - Primary school mathematics volume model presentation device

Info

Publication number: CN214955557U
Application number: CN202023285846.4U
Authority: CN
Inventors: 张得勤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-30
Anticipated expiration: 2030-12-31

Abstract

The application discloses primary school's mathematics volume model presentation device, including casing, base, universal wheel, positive shrouding, push rod, connecting rod, rubber sleeve, gooseneck, model body, shelter from cloth, first pivot, second pivot, rocker, plastic sheathing, iron plate, third pivot, disc, joint, minor axis, bearing, magnet piece, fixed strip, worm, connecting axle, conical gear, worm wheel and balancing weight. This application useful part lies in providing cognitive discernment for the student, compares with current model demonstration, and it has the model body of a plurality of different shape volumes, installs on rotatable disc, can demonstrate the change of model body through rotating the disc, can carry out the show of different models, is convenient for carry out student's cognition, and the model body adopts the gooseneck to connect simultaneously, and the show height and the position of model body are convenient for adjust.

Description

Primary school mathematics volume model presentation device

Technical Field

The application relates to a volume model demonstration device, in particular to a primary school mathematics volume model demonstration device.

Background

Primary school, which is a school for people to accept the first regular education, is an important component of basic education; with the development of society, kindergartens are opened in front of the society. The children are 6-12 years old and suitable for primary school, and the education of the primary school at present is 6 years (the education is still 5 years in a few places). The primary school education stage is followed by the middle school education stage, the primary school is included in nine-year compulsory education, and primary school education does not charge any fee; mathematics is an important discipline in primary schools, where the learning of volume models is required for the resolution of different shapes.

The existing model demonstration is realized by holding the model by a teacher, so that the model is lifted and displayed to students, the lifting operation needs to be kept all the time, and the labor intensity of workers is high; meanwhile, a plurality of models are provided and are generally set independently, the relevance between the models is low, an integrated design is lacked, and the models are easy to lose. Therefore, the primary school mathematical volume model demonstration device is provided for solving the problems.

Disclosure of Invention

In order to solve the defects of the prior art, the application provides a primary school mathematics volume model demonstration device which comprises a shell and a front face sealing plate fixedly arranged on the front face of the shell, wherein the back face of the shell is rotatably connected with a third rotating shaft, a cylindrical surface of the third rotating shaft is fixedly sleeved with a disc, a plurality of gooseneck pipes are uniformly and fixedly connected around the cylindrical surface of the disc, and the tail ends of the gooseneck pipes are rotatably connected with a model body; the front sealing plate is provided with a self-locking transmission mechanism, the output end of the self-locking transmission mechanism is fixedly connected with one end of the third rotating shaft, and the input end of the self-locking transmission mechanism is connected with the driving mechanism; the driving mechanism comprises a rocker, and a plastic sleeve is fixedly sleeved at the tail end of the rocker.

Further, the equal fixedly connected with base in bottom both sides of casing, the bottom fixedly connected with universal wheel of base.

Further, the top back fixedly connected with of casing hides the cloth, the equidistant fixedly connected with a plurality of magnet pieces in bottom that hides the cloth.

Further, the top of the front face sealing plate is fixedly connected with a plurality of iron blocks.

Furthermore, one side of the shell is fixedly connected with two push rods, a connecting rod is fixedly connected between the two push rods, and the tail ends of the push rods are fixedly sleeved with rubber sleeves.

Furthermore, the tail end of the gooseneck is fixedly connected with a short shaft, the short shaft is connected with the model body, a bearing is arranged at the joint of the short shaft and the model body, one end of the gooseneck is fixedly connected with a joint, and the joint is fixedly connected with the disc.

Furthermore, the self-locking transmission mechanism comprises fixing strips, a worm wheel and a first rotating shaft, the first rotating shaft is rotatably connected with the plate surface of the front sealing plate, one end of the first rotating shaft is fixedly connected with one end of a third rotating shaft, the worm wheel is fixedly sleeved on the cylindrical surface of the first rotating shaft, the number of the fixing strips is two, the two fixing strips are fixedly connected to the back surface of the front sealing plate, the worm is rotatably connected between the two fixing strips, and the worm is meshed with the worm wheel.

Further, actuating mechanism still includes second pivot, connecting axle and conical gear, the connecting axle rotates with the fixed strip and is connected, and the one end of connecting axle and the one end fixed connection of worm, the end of connecting axle and the one end of second pivot are all rotated and are connected with conical gear, conical gear's figure is two, two meshing connection between the conical gear, the second pivot rotates with the face of positive shrouding to be connected, the one end of second pivot and the one end fixed connection of rocker.

Furthermore, the bottom of the shell is fixedly connected with a balancing weight which is of a rectangular block structure.

Furthermore, the surface of the shielding cloth is connected with a plastic film layer in a compounding way.

The beneficial effect of this application is: the application provides a primary school's mathematics volume model presentation device convenient to model switching and regulation show position.

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 structure diagram of an embodiment of the present application;

FIG. 2 is a schematic view of the internal structure of the housing according to an embodiment of the present application;

FIG. 3 is a schematic view of a gooseneck and model body connection according to an embodiment of the present application;

FIG. 4 is a schematic view of a back side structure of a front sealing plate according to an embodiment of the present application;

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

fig. 6 is a schematic structural view of a shielding cloth and a magnet block according to an embodiment of the present application.

In the figure: 1. the device comprises a shell, 2, a base, 3, a universal wheel, 4, a front sealing plate, 5, a push rod, 6, a connecting rod, 7, a rubber sleeve, 8, a gooseneck pipe, 9, a model body, 10, shielding cloth, 11, a first rotating shaft, 12, a second rotating shaft, 13, a rocker, 14, a plastic sleeve, 15, an iron block, 16, a third rotating shaft, 17, a disc, 18, a joint, 19, a short shaft, 20, a bearing, 21, a magnet block, 22, a fixing strip, 23, a worm, 24, a connecting shaft, 25, a bevel gear, 26, a worm wheel, 27 and a balancing weight.

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. 1-6, a primary school mathematics volume model demonstration device comprises a shell 1 and a front sealing plate 4 fixedly installed on the front of the shell 1, the back of the shell 1 is rotatably connected with a third rotating shaft 16, a disc 17 is fixedly sleeved on the cylindrical surface of the third rotating shaft 16, a plurality of gooseneck pipes 8 are uniformly and fixedly connected around the cylindrical surface of the disc 17, the tail ends of the gooseneck pipes 8 are rotatably connected with a model body 9 for providing cognition identification for students, compared with the existing model demonstration, the primary school mathematics volume model demonstration device has a plurality of model bodies 9 with different shapes and volumes, which are installed on the rotatable disc 17, the model bodies 9 can be displayed by rotating the disc 17, different models can be displayed, the students can recognize conveniently, meanwhile, the model bodies 9 are connected by the gooseneck pipes 8, the display height and the position of the model bodies 9 can be adjusted conveniently, the gooseneck 8 is rotatably mounted and connected with the model body 9, so that the model body 9 can be adjusted conveniently, and convenience is brought to integral use;

a self-locking transmission mechanism is arranged on the front sealing plate 4, the output end of the self-locking transmission mechanism is fixedly connected with one end of a third rotating shaft 16, and the input end of the self-locking transmission mechanism is connected with a driving mechanism;

the driving mechanism comprises a rocker 13, a plastic sleeve 14 is fixedly sleeved at the tail end of the rocker 13, the stability after rotation adjustment is good, the disc 17 is not prone to non-artificial rotation, transmission is carried out through the self-locking transmission mechanism, and meanwhile, after transmission, the self-locking mechanism has a self-locking effect and is used for locking after adjustment, and the integral using effect is improved;

whole self-locking drive mechanism and the actuating mechanism that adopts simultaneously drives, and the mr only needs to rotate rocker 13, can adjust, and holistic use is comparatively convenient, carries out speed reduction transmission simultaneously to can reduce artificial drive power, it is less to rotate required drive power, reduces artificial intensity of labour.

The two sides of the bottom of the shell 1 are fixedly connected with bases 2, the bottom of each base 2 is fixedly connected with a universal wheel 3, the bases 2 provide mounting positions for the universal wheels 3, and the universal wheels 3 move to provide a moving function; the back of the top of the shell 1 is fixedly connected with shielding cloth 10, the bottom of the shielding cloth 10 is fixedly connected with a plurality of magnet blocks 21 at equal intervals, and when the shell is not used, the shielding cloth 10 is used for shielding the top of the shell 1 and is used for shielding dust and ash to play a role in protection; the top of the front sealing plate 4 is fixedly connected with a plurality of iron blocks 15, the number of the iron blocks 15 is a plurality, the iron blocks 15 and the magnet blocks 21 are matched, and when the shielding cloth 10 covers the top of the shell 1, adsorption and limiting are carried out, so that the shielding cloth 10 is prevented from moving artificially; two push rods 5 are fixedly connected to one side of the shell 1, a connecting rod 6 is fixedly connected between the two push rods 5, and a rubber sleeve 7 is fixedly sleeved at the tail end of each push rod 5 and used for integrally pushing, integrally pushing and moving on the ground; the tail end of the gooseneck 8 is fixedly connected with a short shaft 19, the short shaft 19 is connected with the model body 9, a bearing 20 is arranged at the joint of the short shaft 19 and the model body 9, one end of the gooseneck 8 is fixedly connected with a joint 18, the joint 18 is fixedly connected with a disc 17, and the gooseneck 8 is used for the rotary connection of the model body 9 and is used for rotary adjustment; the self-locking transmission mechanism comprises fixing strips 22, a worm 23, a worm wheel 26 and a first rotating shaft 11, the first rotating shaft 11 is rotatably connected with the plate surface of the front sealing plate 4, one end of the first rotating shaft 11 is fixedly connected with one end of a third rotating shaft 16, the worm wheel 26 is fixedly sleeved on the cylindrical surface of the first rotating shaft 11, the number of the fixing strips 22 is two, the two fixing strips 22 are fixedly connected to the back surface of the front sealing plate 4, the worm 23 is rotatably connected between the two fixing strips 22, the worm 23 is meshed with the worm wheel 26 and is transmitted through the worm 23 and the worm wheel 26, and after transmission, self-locking is realized to complete limiting; the driving mechanism further comprises a second rotating shaft 12, a connecting shaft 24 and conical gears 25, the connecting shaft 24 is rotatably connected with the fixing strip 22, one end of the connecting shaft 24 is fixedly connected with one end of the worm 23, the tail end of the connecting shaft 24 and one end of the second rotating shaft 12 are both rotatably connected with the conical gears 25, the number of the conical gears 25 is two, the two conical gears 25 are in meshing connection, the second rotating shaft 12 is rotatably connected with the plate surface of the front sealing plate 4, one end of the second rotating shaft 12 is fixedly connected with one end of the rocker 13, and meshing transmission is carried out through the conical gears 25 to realize driving; the bottom of the shell 1 is fixedly connected with a balancing weight 27, and the balancing weight 27 is of a rectangular block structure, plays a role in balancing weight and reduces the center of gravity of the whole body; the surface of the shielding cloth 10 is compositely connected with a plastic film layer, the plastic film layer improves the sealing property, and the plastic film layer is made of plastics.

When the device is used, the rubber sleeve 7 is held, the push rod 5 is pushed, the whole device is pushed to move, the universal wheel 3 rolls on the ground, movement is achieved, when the device is moved to a demonstration position, the plastic sleeve 14 is held, the rocker 13 is rotated, the second rotating shaft 12 is rotated, meshing transmission is achieved through the two bevel gears 25, the connecting shaft 24 and the worm 23 are rotated, meshing transmission is achieved through the worm 23 and the worm wheel 26, speed reduction is achieved, the worm wheel 26 and the first rotating shaft 11 are rotated at reduced speed together, the third rotating shaft 16 and the disc 17 are rotated together, the top model body 9 of the disc 17 is replaced, different model bodies 9 are switched, after switching, the gooseneck 8 is stretched through the model body 9 on the top of the upper drawing disc 17, height adjustment is achieved, the shape of the gooseneck 8 is changed, therefore, the adjustment of different positions is realized, the shaping function of the gooseneck 8 is further realized after the adjustment, the shaping function after the adjustment is realized, meanwhile, the model body 9 and the gooseneck 8 are rotatably connected and installed, the rotary adjustment can be carried out, the displayed position can be changed, and the demonstration effect is further improved;

after demonstrating, when changing next model body 9, through pushing down gooseneck 8, make the model body 9 of show accomodate casing 1 in, the gooseneck 8 is gathered in the compression simultaneously, further waves rocker 13, realizes switching next model body 9, wholly adopts worm wheel 26 and worm 23 to mesh the transmission, has the auto-lock nature for locking after adjusting has improved holistic result of use.

The application has the advantages that:

whole primary school's mathematics volume model presentation device is used for the demonstration of volume model, provide cognitive discernment for the student, compare with current model demonstration, it has the model body 9 of a plurality of different shape volumes, install on rotatable disc 17, can demonstrate the change of model body 9 through rotating disc 17, can carry out the show of different models, be convenient for carry out student's cognition, model body 9 adopts gooseneck 8 to connect simultaneously, the show height and the position of model body 9 are convenient for adjust, further gooseneck 8 adopts rotation erection joint with model body 9, the regulation of the model body 9 of further being convenient for, it is convenient for holistic use to provide.

Meanwhile, the stability after rotation adjustment is good, the disc 17 is not prone to non-artificial rotation, transmission is carried out through the self-locking transmission mechanism, and meanwhile, after transmission, the self-locking mechanism has a self-locking effect and is used for locking after adjustment, and the whole using effect is improved.

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 volume model presentation device which characterized in that: the device comprises a shell (1) and a front sealing plate (4) fixedly installed on the front side of the shell (1), wherein the back side of the shell (1) is rotatably connected with a third rotating shaft (16), a circular disc (17) is fixedly sleeved on the cylindrical surface of the third rotating shaft (16), a plurality of gooseneck pipes (8) are uniformly and fixedly connected to the periphery of the cylindrical surface of the circular disc (17), and the tail ends of the gooseneck pipes (8) are rotatably connected with a model body (9);

a self-locking transmission mechanism is arranged on the front sealing plate (4), the output end of the self-locking transmission mechanism is fixedly connected with one end of a third rotating shaft (16), and the input end of the self-locking transmission mechanism is connected with a driving mechanism;

the driving mechanism comprises a rocker (13), and a plastic sleeve (14) is fixedly sleeved at the tail end of the rocker (13).

2. An elementary school mathematical volume model demonstration device according to claim 1, characterized in that: the all fixedly connected with base (2) in bottom both sides of casing (1), the bottom fixedly connected with universal wheel (3) of base (2).

3. An elementary school mathematical volume model demonstration device according to claim 1, characterized in that: the top back fixedly connected with of casing (1) hides and blocks cloth (10), the equidistant fixedly connected with a plurality of magnet pieces (21) in bottom that hides and blocks cloth (10).

4. An elementary school mathematical volume model demonstration device according to claim 1, characterized in that: the top fixedly connected with iron plate (15) of front shrouding (4), the figure of iron plate (15) is a plurality of.

5. An elementary school mathematical volume model demonstration device according to claim 1, characterized in that: one side of the shell (1) is fixedly connected with two push rods (5), two connecting rods (6) are fixedly connected between the push rods (5), and the tail ends of the push rods (5) are fixedly sleeved with rubber sleeves (7).

6. An elementary school mathematical volume model demonstration device according to claim 1, characterized in that: the end fixedly connected with minor axis (19) of gooseneck (8), minor axis (19) are connected with model body (9), and the junction of minor axis (19) and model body (9) is provided with bearing (20), the one end fixedly connected with of gooseneck (8) connects (18), connect (18) and disc (17) fixed connection.

7. An elementary school mathematical volume model demonstration device according to claim 1, characterized in that: self-locking drive mechanism includes fixed strip (22), worm (23), worm wheel (26) and first pivot (11), first pivot (11) are rotated with the face of positive shrouding (4) and are connected, the one end and third pivot (16) one end fixed connection of first pivot (11), the fixed cover has been cup jointed worm wheel (26) on the face of cylinder of first pivot (11), the figure of fixed strip (22) is two, two the equal fixed connection of fixed strip (22) is on the back of positive shrouding (4), two it is connected with worm (23) to rotate between fixed strip (22), worm (23) are connected with worm wheel (26) meshing.

8. An elementary school mathematical volume model demonstration device according to claim 1, characterized in that: actuating mechanism still includes second pivot (12), connecting axle (24) and conical gear (25), connecting axle (24) rotate with fixed strip (22) and are connected, and the one end of connecting axle (24) and the one end fixed connection of worm (23), the end of connecting axle (24) and the one end of second pivot (12) all rotate and are connected with conical gear (25), the figure of conical gear (25) is two, two the meshing is connected between conical gear (25), second pivot (12) are rotated with the face of front shrouding (4) and are connected, the one end of second pivot (12) and the one end fixed connection of rocker (13).

9. An elementary school mathematical volume model demonstration device according to claim 1, characterized in that: the bottom fixedly connected with balancing weight (27) of casing (1), balancing weight (27) are the rectangular block structure.

10. An elementary school mathematical volume model demonstration device according to claim 3, characterized in that: the surface of the shielding cloth (10) is connected with a plastic film layer in a compounding way.