CN211578180U - Primary school mathematics rotator learning aid - Google Patents
Primary school mathematics rotator learning aid Download PDFInfo
- Publication number
- CN211578180U CN211578180U CN202020568722.8U CN202020568722U CN211578180U CN 211578180 U CN211578180 U CN 211578180U CN 202020568722 U CN202020568722 U CN 202020568722U CN 211578180 U CN211578180 U CN 211578180U
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- rotator
- rotating shaft
- disc
- groove
- plate
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Abstract
The utility model relates to a teaching aid technical field. The utility model discloses a primary school's mathematics rotator learning aid, including the upper plate, the medium plate, be provided with left disc and right disc on the upper plate, be provided with the cooperation pole on the disc of a left side, be provided with the dead lever on the disc of a right side, left disc fixed mounting is in first pivot, fixed mounting has first bevel gear in the first pivot, fixed mounting has the band pulley in the first pivot, first pivot fixed mounting is on first bearing, first bearing sets up on the medium plate, right disc fixed mounting is in the second pivot, fixed mounting has the band pulley in the second pivot, second pivot fixed mounting is on the second bearing, the second bearing sets up on the medium plate, be provided with the belt on the band pulley. The utility model provides a decimal revolution body learning appliance makes the student understand the relevant content of rotator more easily through the contrast demonstration, realizes simultaneously on structural design more easily, is worth popularizing and applying.
Description
Technical Field
The utility model relates to a teaching aid technical field more specifically relates to a primary school mathematics rotator learning aid.
Background
In the process of primary school mathematics learning, the concept of a rotator can be related, for geometric mathematics, if students imagine by means of the explanation of teachers alone, knowledge cannot be well understood, the existing rotator demonstration tool can only be a single rotating sheet or a solid and cannot be contrasted and demonstrated, and a good effect cannot be achieved in the teaching process, so that a novel primary school mathematics rotator learning tool is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a primary school's mathematics rotator learning appliance aims at solving the technical problem that the pairing rotation body that exists carries out the contrast demonstration among the prior art at least.
In order to achieve the above object, an aspect of the present invention provides a primary school mathematics rotator learning tool, including: the upper plate is provided with a left disc and a right disc, the left disc is provided with a matching rod, the right disc is provided with a fixing rod, the left disc is fixedly installed on a first rotating shaft, the first rotating shaft is fixedly installed with a first bevel gear, the first rotating shaft is fixedly installed with a belt wheel, the first rotating shaft is fixedly installed on a first bearing, the first bearing is arranged on the middle plate, the right disc is fixedly installed on a second rotating shaft, the second rotating shaft is fixedly installed with the belt wheel, the second rotating shaft is fixedly installed on a second bearing, the second bearing is arranged on the middle plate, and the belt wheel is provided with a belt;
the middle plate is characterized in that a left side plate is arranged on the left side of the middle plate, a round hole is formed in the left side plate, a third rotating shaft is arranged at the round hole, a clamping block groove is formed in the third rotating shaft, a second bevel gear is arranged in the third rotating shaft, the first bevel gear is meshed with the second bevel gear, the third rotating shaft rotates through a rocker, a clamping block is arranged on the rocker, the clamping block is clamped with the clamping block groove, and a right side plate is arranged on the right side of the middle plate.
The utility model discloses above-mentioned technical scheme provides a primary school's mathematics rotator learning aid, set up left disc and right disc, can be used for contrasting the show, and the design of left disc is used for showing the lamellar body, demonstrates the formation of rotator through the lamellar body, and the design of right disc is used for demonstrating the solid that corresponds with the left side lamellar body, through contrast demonstration, can let the relevant content of learner easier understanding.
Additionally, the utility model discloses above-mentioned technical scheme provides a primary school's mathematics rotator learning appliance still has following technical characteristic:
as an improvement of the utility model, the medium plate lower part is provided with the drawer, the drawer sets up on bottom plate upper portion, be provided with on the drawer and draw the handle, the drawer is provided with demonstration body standing groove, rocker groove and article groove.
As another improvement of the utility model, be provided with the cooperation pole groove on the disc of a left side, the cooperation pole groove is used for accomodating the cooperation pole, the cooperation pole is installed fixedly to the demonstration lamellar body, be provided with the slide rail on the cooperation pole, be provided with protruding draw runner on the demonstration lamellar body, protruding draw runner with slide rail sliding fit.
As another improvement of the utility model, be provided with the fixed rod groove on the disc of the right side, the fixed rod groove is used for accomodating the dead lever, the dead lever is used for fixed demonstration three-dimensional, be provided with the slot on the demonstration three-dimensional, the dead lever with the cooperation of pegging graft of slot.
As another improvement of the utility model, be provided with the dog on the front bezel, the dog sets up the drawer side, the dog sets up epaxially, axle fixed mounting is on the front bezel, dog department is provided with the stopper.
As another improvement of the utility model, the bottom plate bottom is provided with the regulation foot, the regulation foot sets up on connecting portion, connecting portion fixed mounting be in the bottom plate bottom.
As another improvement of the utility model, the left side board with right side board upper portion position is provided with the handle.
As another improvement of the utility model, be provided with the recess on the band pulley, be provided with the lug on the belt, the recess with the lug cooperatees.
Compared with the prior art, the beneficial effects of the utility model reside in that:
according to the device of this application, left disc and right disc that set up can be used for contrasting the show, and the design of left disc is used for showing the lamellar body, demonstrates the formation of rotator through the lamellar body, and the design of right disc is used for demonstrating the solid that corresponds with the left side lamellar body, through contrasting the demonstration, can let the relevant content of learner easier understanding.
The first rotating shaft and the second rotating shaft inside the device are linked through the belt, so that the two disks can synchronously rotate when the rocker rotates, and the belt wheel are structurally designed to prevent the belt from slipping when moving.
The design of drawer can be accomodate the show apparatus to prevent that the apparatus from losing, it is also more convenient when taking, the design of handle makes the device more portable, and the design of dog makes the device drawer can not overturn when carrying, improves the security of device.
The arrangement of the adjusting feet enables the device to be normally used when the desktop is not normal, and the practicability of the device can be improved.
Drawings
Fig. 1 is a schematic cross-sectional view of a learning tool of a primary school mathematics rotator according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a primary school mathematics rotator learning tool according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of the primary school mathematics rotator learning tool matching rod and the fixed rod standing up according to the embodiment of the present invention;
fig. 4 is a schematic diagram of a rotator state demonstrating device for learning a primary school mathematics rotator according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a demonstration sheet of a primary school mathematics rotator learning appliance according to an embodiment of the present invention;
fig. 6 is a schematic perspective view illustrating a primary school mathematics rotator learning tool according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a drawer of a primary school mathematics rotator learning appliance according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a belt wheel and a belt of a learning tool of a primary school mathematics rotator according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 8 is:
1 upper plate, 2 cavities, 3 left round disc, 301 matching rod groove, 4 matching rods, 401 sliding rail, 5 first rotating shaft, 6 right round disc, 601, fixing rod groove, 7 fixing rod, 8 second rotating shaft, 9 first bevel gear, 10 second bevel gear, 11 second rotating shaft, 1101 clamping block groove, 12 rocking bar, 1201 clamping block, 13 round hole, 14 left side plate, 15 belt wheel, 1501 groove, 16 belt, lug, 17 first bearing, 18 second bearing, 19 middle plate, 20 right side plate, 21 drawer, 2101 pull handle, 2102 demonstration body placing groove, 2103 rocking rod groove, 2104 article groove, 22 bottom plate, 23 block, 24 shaft, 25 limiting block, 26 connecting part, 27 adjusting foot, 28 handle, 29 front plate, 30 demonstration sheet body, 3001 convex sliding bar, 31 demonstration solid, 3101 slot.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A primary school mathematics rotator learning appliance according to some embodiments of the present invention will be described with reference to fig. 1 to 8.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, according to the utility model provides a primary school's mathematics rotator learning appliance, including upper plate 1, medium plate 19, be provided with left disc 3 and right disc 6 on the upper plate 1, be provided with cooperation pole 4 on the left disc 3, be provided with dead lever 7 on the right disc 6, left disc 3 fixed mounting is on first pivot 5, fixed mounting has first bevel gear 9 on the first pivot 5, fixed mounting has band pulley 15 on the first pivot 5, first pivot 5 fixed mounting is on first bearing 17, first bearing 17 sets up on medium plate 19, right disc 6 fixed mounting is on second pivot 8, fixed mounting has band pulley 15 on second pivot 8, second pivot 8 fixed mounting is on second bearing 18, second bearing 18 sets up on medium plate 19, be provided with belt 16 on band pulley 15.
A left side plate 14 is arranged on the left side of the middle plate 19, a round hole 13 is formed in the left side plate 14, a third rotating shaft 11 is arranged at the round hole 13, a fixture block groove 1101 is formed in the third rotating shaft 11, a second bevel gear 10 is arranged on the third rotating shaft 11, the first bevel gear 9 is meshed with the second bevel gear 10, the third rotating shaft 11 rotates through a rocker 12, a fixture block 1201 is arranged on the rocker 12, the fixture block 1201 is clamped with the fixture block groove 1101, and a right side plate 20 is arranged on the right side of the middle plate 19; the lower part of the middle plate 19 is provided with a drawer 21, and the drawer 21 is arranged on the upper part of the bottom plate 22.
A stop block 23 is arranged on the front plate 29, the stop block 23 is arranged on the side edge of the drawer 21, the stop block 23 is arranged on a shaft 24, the shaft 24 is fixedly arranged on the front plate 29, and a limit block 25 is arranged at the stop block 23; the bottom of the bottom plate 22 is provided with an adjusting pin 27, the adjusting pin 27 is arranged on the connecting part 26, and the connecting part 26 is fixedly arranged at the bottom of the bottom plate 22; handles 28 are arranged at the upper parts of the left side plate 14 and the right side plate 20.
Referring to fig. 3, fig. 4, fig. 5 and fig. 6, a matching rod groove 301 is provided on the left disc 3, the matching rod groove 301 is used for accommodating a matching rod 4, the matching rod 4 is hinged on the left disc 3, the matching rod 4 is used for installing and fixing the demonstration sheet 30, a sliding rail 401 is provided on the matching rod 4, a convex sliding strip 3001 is provided on the demonstration sheet 30, the convex sliding strip 3001 is in sliding fit with the sliding rail 401, a fixing rod groove 601 is provided on the right disc 6, the fixing rod groove 601 is used for accommodating a fixing rod 7, the fixing rod 7 is used for fixing the demonstration solid 31, the fixing rod 7 is hinged on the right disc 6, an insertion groove 3101 is provided on the demonstration solid 31, and the fixing rod 7 is in insertion fit with.
Referring to fig. 7, a pull handle 2101 is provided on the drawer 21, and the drawer 21 is provided with a demo placement slot 2102, a rocker slot 2103, and an article slot 2104.
Referring to fig. 8, a groove 1501 is formed on the pulley 15, a protrusion 1601 is formed on the belt 16, and the groove 1501 is engaged with the protrusion 1601.
The using method comprises the following steps: during the use, will demonstrate that demonstration lamellar body 30 and corresponding demonstration solid 31 of needs demonstration take out from drawer 21, will demonstrate that lamellar body 30 installs 4 departments of cooperation pole on left disc 3, will demonstrate that solid 31 installs the dead lever 7 department of right disc 6, makes left disc 3 and right disc 6 rotate through rotating rocker 12 after the installation, carries out rotator teaching contrast demonstration, resets after the demonstration finishes.
In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance: the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Throughout this specification, the schematic representations of the terms used above do not necessarily refer to the same implementation or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
In the present invention, the terms "upper", "lower", "left", "right", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the designated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting.
Claims (8)
1. A primary school mathematics rotator learning tool, comprising: the upper plate is provided with a left disc and a right disc, the left disc is provided with a matching rod, the right disc is provided with a fixing rod, the left disc is fixedly installed on a first rotating shaft, the first rotating shaft is fixedly installed with a first bevel gear, the first rotating shaft is fixedly installed with a belt wheel, the first rotating shaft is fixedly installed on a first bearing, the first bearing is arranged on the middle plate, the right disc is fixedly installed on a second rotating shaft, the second rotating shaft is fixedly installed with the belt wheel, the second rotating shaft is fixedly installed on a second bearing, the second bearing is arranged on the middle plate, and the belt wheel is provided with a belt;
the middle plate is characterized in that a left side plate is arranged on the left side of the middle plate, a round hole is formed in the left side plate, a third rotating shaft is arranged at the round hole, a clamping block groove is formed in the third rotating shaft, a second bevel gear is arranged in the third rotating shaft, the first bevel gear is meshed with the second bevel gear, the third rotating shaft rotates through a rocker, a clamping block is arranged on the rocker, the clamping block is clamped with the clamping block groove, and a right side plate is arranged on the right side of the middle plate.
2. The primary school mathematics rotator learning tool according to claim 1, wherein: the drawer is arranged on the lower portion of the middle plate and on the upper portion of the bottom plate, a pull handle is arranged on the drawer, and the drawer is provided with a demonstration body placing groove, a rocker groove and an article groove.
3. The primary school mathematics rotator learning tool according to claim 1, wherein: the demonstration piece body is characterized in that a matching rod groove is formed in the left disc and used for accommodating the matching rod, the matching rod is fixedly installed on the demonstration piece body, a sliding rail is arranged on the matching rod, a convex sliding strip is arranged on the demonstration piece body, and the convex sliding strip is in sliding fit with the sliding rail.
4. The primary school mathematics rotator learning tool according to claim 1, wherein: the right disc is provided with a fixing rod groove, the fixing rod groove is used for accommodating the fixing rod, the fixing rod is used for fixing a demonstration solid, the demonstration solid is provided with a slot, and the fixing rod is in plug-in fit with the slot.
5. An elementary school mathematics rotator learning aid according to claim 2, characterized in that: the drawer is characterized in that a stop block is arranged on the front plate and arranged on the side edge of the drawer, the stop block is arranged on a shaft, the shaft is fixedly installed on the front plate, and a limit block is arranged at the stop block.
6. An elementary school mathematics rotator learning aid according to claim 2, characterized in that: the bottom plate bottom is provided with the regulation foot, the regulation foot sets up on connecting portion, connecting portion fixed mounting be in the bottom plate bottom.
7. The primary school mathematics rotator learning tool according to claim 1, wherein: handles are arranged at the upper parts of the left side plate and the right side plate.
8. The primary school mathematics rotator learning tool according to claim 1, wherein: the belt wheel is provided with a groove, the belt is provided with a convex block, and the groove is matched with the convex block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020568722.8U CN211578180U (en) | 2020-04-16 | 2020-04-16 | Primary school mathematics rotator learning aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020568722.8U CN211578180U (en) | 2020-04-16 | 2020-04-16 | Primary school mathematics rotator learning aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211578180U true CN211578180U (en) | 2020-09-25 |
Family
ID=72526229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020568722.8U Expired - Fee Related CN211578180U (en) | 2020-04-16 | 2020-04-16 | Primary school mathematics rotator learning aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211578180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113077661A (en) * | 2021-03-26 | 2021-07-06 | 哈尔滨学院 | Interactive rotary disc English word memory device |
-
2020
- 2020-04-16 CN CN202020568722.8U patent/CN211578180U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113077661A (en) * | 2021-03-26 | 2021-07-06 | 哈尔滨学院 | Interactive rotary disc English word memory device |
| CN113077661B (en) * | 2021-03-26 | 2022-07-22 | 哈尔滨学院 | Interactive rotary disc English word memory device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200925 |