CN205354470U - Polygon developments demonstration appearance - Google Patents
Polygon developments demonstration appearance Download PDFInfo
- Publication number
- CN205354470U CN205354470U CN201620042124.0U CN201620042124U CN205354470U CN 205354470 U CN205354470 U CN 205354470U CN 201620042124 U CN201620042124 U CN 201620042124U CN 205354470 U CN205354470 U CN 205354470U
- Authority
- CN
- China
- Prior art keywords
- support bar
- connecting plate
- demo rack
- limited block
- demonstration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a polygon developments demonstration appearance, which comprises a fixed base, the bracing piece, first demonstration frame, first stopper, the second stopper, second demonstration frame, lock nut, this polygon developments demonstration appearance, first connecting plate of accessible and second connecting plate rotate to be adjusted, thereby can realize the rectangle, parallelogram, it is trapezoidal, the demonstration of multiple plane figure such as triangle -shaped, and can demonstrate out the process of several kinds of figure transform, when the three -dimensional shape of needs demonstration, promote the right -hand member with the second stopper, and with lock nut with the locking of second demonstration frame, consequently, can be by first demonstration frame, second demonstration frame and support rod set be three -dimensional figure cheng, and realize the demonstration of multiple three -dimensional figure through slide first connecting plate and second connecting plate, thereby the help student can better understand, and can deep memory, consequently, help the student to study.
Description
Technical field
This utility model relates to a kind of demonstrator, particularly relates to a kind of polygonal dynamic demonstration instrument.
Background technology
Several teaching it is frequently necessary to drawing geometric figures, and image that teacher draws on blackboard is abstract not, particularly solid geometry figure, therefore many student's indigestions are thus bringing certain difficulty to study, in view of disadvantages described above, it is necessary in fact to design a kind of polygonal dynamic demonstration instrument.
Utility model content
Technical problem to be solved in the utility model is in that: provides a kind of polygonal dynamic demonstration instrument, solves the elusive problem of figure student drawn on blackboard by teacher.
For solving above-mentioned technical problem, the technical solution of the utility model is: a kind of polygonal dynamic demonstration instrument, including fixing seat, support bar, first demo rack, first limited block, second limited block, second demo rack, locking nut, described fixing seat quantity is four, described support bar is positioned at fixing seat right-hand member, described support bar is connected with fixing seat screw thread, the first described demo rack is on the left of support bar, the first described demo rack slides with support bar and is connected, the first described demo rack is four the first connecting plate compositions, the first described connecting plate is kidney-shaped plate, the first described limited block is on the left of support bar, and the first described limited block is positioned on the right side of the first demo rack, the first described limited block is connected with support bar screw thread, the second described limited block is on the right side of support bar, the second described limited block is connected with support bar screw thread, the second described demo rack is on the right side of support bar, and the second described demo rack is positioned on the right side of the second limited block, the second described demo rack slides with support bar and is connected, the second described demo rack is four the second connecting plate compositions, the second described connecting plate is kidney-shaped plate, described locking nut is through support bar right-hand member, described locking nut is connected with support bar screw thread.
Further, described support bar left end is additionally provided with litter, and described litter is connected with support bar screw thread.
Further, described litter outer wall is additionally provided with screw thread.
Further, the first described connecting plate upper end is additionally provided with the first scale, and the first described every lattice of scale are 1mm.
Further, the second described connecting plate upper end is additionally provided with the second scale, and the second described every lattice of scale are 1mm.
Compared with prior art, this polygonal dynamic demonstration instrument, when deduction plane graph drawn by needs, second limited block is adjusted to high order end, therefore can pass through teacher manually promotes the second demo rack to slide into high order end, make the second demo rack and the laminating of the first demo rack, and the first demo rack is made up of four piece of first connecting plate, and the second demo rack is made up of four the second connecting plates, therefore the first connecting plate that can pass through to form in the first demo rack slides mutually, mutually slide with the second connecting plate formed in the second demo rack, thus rectangle can be realized, parallelogram, trapezoidal, the multiple planar graph demonstration such as triangle, and the process of several graph transformation can be demonstrated out, when three-dimensional shape demonstrated by needs, second limited block is pushed to right-hand member, manually promoted the second demo rack to the right-hand member of support bar by teacher, again through locking nut, the second demo rack is spacing, prevent the second demo rack from coming off from support bar, therefore can by the first demo rack, second demo rack becomes solid figure with support bar group, by regulating the relative position of the first connecting plate in the first demo rack, relative position with the second connecting plate regulated in the second demo rack, therefore the demonstration of multiple solid figure can be realized, thus helping student to be best understood from, and can remember deeply, hence help to Students ' Learning, plane geometric figure in the demonstration primary and secondary geometry teaching of this plane polygon dynamic demonstrator dynamic system, and the change between each planar graph, abstract geometric knowledge is made intuitively to change, visualization, externalizing.Student can be allowed to play in playing middle school, learning, experience the probe process of knowledge personally, experience personally from practical problem to carrying out process abstract, model solution of imparting knowledge to students, the method learning observation, thinking, summary and induction, discovery scientific knowledge, improve and use knowledge, problem-solving ability, the external environment condition probing into plane geometry knowledge is built to student, motivate students' interest in learning and probe into the desire of knowledge, using geometric intuition, reach the important channel understanding plane geometry knowledge.Student is allowed to obtain math basic knowledge and the creative ability of one would be set for life.
Accompanying drawing explanation
Fig. 1 is the axonometric drawing of polygonal dynamic demonstration instrument
Fig. 2 is the front view of polygonal dynamic demonstration instrument
Fig. 3 is the left view of polygonal dynamic demonstration instrument
Fig. 4 is the front view of the first demo rack
The sectional view of the fixing seating portion of Fig. 5
Fixing seat 1 support bar 2
First demo rack 3 first limited block 4
Second limited block 5 second demo rack 6
Locking nut 7 litter 201
Screw thread 202 first connecting plate 301
First scale 302 second connecting plate 601
Second scale 602
Following detailed description of the invention will further illustrate in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Hereinafter, multiple specific detail is elaborated, in order to provide the thorough understanding to the concept constituting described embodiment basis.But, it will be apparent to those skilled in the art that described embodiment can the practice when some or all in not having these specific detail.In other cases, it does not have specifically describe well-known process step.
Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, a kind of polygonal dynamic demonstration instrument, including fixing seat 1, support bar 2, first demo rack 3, first limited block 4, second limited block 5, second demo rack 6, locking nut 7, litter 201, screw thread 202, first connecting plate 301, first scale 302, second connecting plate 601, second scale 602, described fixing seat 1 quantity is four, described support bar 2 is positioned at fixing seat 1 right-hand member, described support bar 2 is connected with fixing seat 1 screw thread, the first described demo rack 3 is on the left of support bar 2, the first described demo rack 3 slides with support bar 2 and is connected, the first described demo rack 3 is that four the first connecting plates 301 form, the first described connecting plate 301 is kidney-shaped plate, the first described limited block 4 is on the left of support bar 2, and the first described limited block 4 is positioned on the right side of the first demo rack 3, the first described limited block 4 is connected with support bar 2 screw thread, the second described limited block 5 is on the right side of support bar 2, the second described limited block 5 is connected with support bar 2 screw thread, the second described demo rack 6 is on the right side of support bar 2, and the second described demo rack 6 is positioned on the right side of the second limited block 5, the second described demo rack 6 slides with support bar 2 and is connected, the second described demo rack 6 is that four the second connecting plates 601 form, the second described connecting plate 601 is kidney-shaped plate, described locking nut 7 is through support bar 2 right-hand member, described locking nut 7 is connected with support bar 2 screw thread, described support bar 2 left end is additionally provided with litter 201, described litter 201 is connected with support bar 2 screw thread, described litter 201 outer wall is additionally provided with screw thread, the first described connecting plate 301 upper end is additionally provided with the first scale 302, the first described every lattice of scale 302 are 1mm, the second described connecting plate 601 upper end is additionally provided with the second scale 602, the second described every lattice of scale 602 are 1mm, this polygonal dynamic demonstration instrument, when deduction plane graph drawn by needs, second limited block 5 is adjusted to high order end, therefore can pass through teacher manually promotes the second demo rack 6 to slide into the high order end of support bar 2, second demo rack 6 and the first demo rack 3 are fitted, and the first demo rack 3 is made up of four piece of first connecting plate 301, and the second demo rack 6 is made up of four the second connecting plates 601, therefore the first connecting plate 301 that can pass through to form in the first demo rack 3 slides mutually, mutually slide with the second connecting plate 601 formed in the second demo rack 6, thus rectangle can be realized, parallelogram, trapezoidal, the multiple planar graph demonstration such as triangle, and the process of several graph transformation can be demonstrated out, when three-dimensional shape demonstrated by needs, second limited block 5 is pushed to right-hand member, manually promoted the second demo rack 6 to arrive the right-hand member of support bar 2 by teacher, again through locking nut 7, second demo rack 6 is spacing, prevent the second demo rack 6 from coming off from support bar 2, therefore can by the first demo rack 3, second demo rack 6 and support bar 2 form solid figure, by regulating the relative position of the first connecting plate 301 in the first demo rack 3, relative position with the second connecting plate 601 regulated in the second demo rack 6, realize the demonstration of multiple solid figure, thus helping student to be best understood from, and can remember deeply, hence help to Students ' Learning, plane geometric figure in the demonstration primary and secondary geometry teaching of plane polygon dynamic demonstrator dynamic system, and the change between each planar graph.Make abstract geometric knowledge intuitively change, visualize, externalizing.Student can be allowed to play in playing middle school, learning, experience the probe process of knowledge personally, experienced personally from practical problem to carrying out process abstract, model solution of imparting knowledge to students, the method learning observation, thinking, summary and induction, discovery scientific knowledge, improve and use knowledge, problem-solving ability.Build to student and probe into the external environment condition of plane geometry knowledge, motivate students' interest in learning and probe into the desire of knowledge.Use geometric intuition, reach the important channel understanding plane geometry knowledge.Allow student obtain the math basic knowledge of one would be set for life and creative ability wherein to fix seat 1 be that support bar 2 is played connection fixation, and the first demo rack 3 is played position-limiting action, prevent the left end landing from support bar 2 of first demo rack 3, support bar 2 is that the first demo rack 3 and the second demo rack 6 are played a supporting role, first limited block 4 is that the first demo rack 3 is played position-limiting action, litter 201 is to increase, the length of support bar 2, and screw thread 202 is so that litter 201 can be connected with fixing seat 1, first scale 302 and the second scale 602 are the positions that can accurately regulate the first connecting plate 301 and the second connecting plate 601.
This utility model is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art, from above-mentioned design, without performing creative labour, made all conversion, all falls within protection domain of the present utility model.
Claims (5)
1. a polygonal dynamic demonstration instrument, it is characterized in that including fixing seat, support bar, first demo rack, first limited block, second limited block, second demo rack, locking nut, described fixing seat quantity is four, described support bar is positioned at fixing seat right-hand member, described support bar is connected with fixing seat screw thread, the first described demo rack is on the left of support bar, the first described demo rack slides with support bar and is connected, the first described demo rack is four the first connecting plate compositions, the first described connecting plate is kidney-shaped plate, the first described limited block is on the left of support bar, and the first described limited block is positioned on the right side of the first demo rack, the first described limited block is connected with support bar screw thread, the second described limited block is on the right side of support bar, the second described limited block is connected with support bar screw thread, the second described demo rack is on the right side of support bar, and the second described demo rack is positioned on the right side of the second limited block, the second described demo rack slides with support bar and is connected, the second described demo rack is four the second connecting plate compositions, the second described connecting plate is kidney-shaped plate, described locking nut is through support bar right-hand member, described locking nut is connected with support bar screw thread.
2. a kind of polygonal dynamic demonstration instrument as claimed in claim 1, it is characterised in that described support bar left end is additionally provided with litter, and described litter is connected with support bar screw thread.
3. a kind of polygonal dynamic demonstration instrument as claimed in claim 2, it is characterised in that described litter outer wall is additionally provided with screw thread.
4. a kind of polygonal dynamic demonstration instrument as claimed in claim 3, it is characterised in that the first described connecting plate upper end is additionally provided with the first scale, and the first described every lattice of scale are 1mm.
5. a kind of polygonal dynamic demonstration instrument as claimed in claim 4, it is characterised in that the second described connecting plate upper end is additionally provided with the second scale, and the second described every lattice of scale are 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620042124.0U CN205354470U (en) | 2016-01-15 | 2016-01-15 | Polygon developments demonstration appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620042124.0U CN205354470U (en) | 2016-01-15 | 2016-01-15 | Polygon developments demonstration appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205354470U true CN205354470U (en) | 2016-06-29 |
Family
ID=56176268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620042124.0U Expired - Fee Related CN205354470U (en) | 2016-01-15 | 2016-01-15 | Polygon developments demonstration appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205354470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781887A (en) * | 2017-02-04 | 2017-05-31 | 邓启民 | A kind of teaching planar pattern demonstration device |
-
2016
- 2016-01-15 CN CN201620042124.0U patent/CN205354470U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781887A (en) * | 2017-02-04 | 2017-05-31 | 邓启民 | A kind of teaching planar pattern demonstration device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160629 Termination date: 20170115 |