CN202748987U - Spatial geometry demonstration device with projection function - Google Patents
Spatial geometry demonstration device with projection function Download PDFInfo
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- CN202748987U CN202748987U CN2012204870429U CN201220487042U CN202748987U CN 202748987 U CN202748987 U CN 202748987U CN 2012204870429 U CN2012204870429 U CN 2012204870429U CN 201220487042 U CN201220487042 U CN 201220487042U CN 202748987 U CN202748987 U CN 202748987U
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Abstract
The utility model discloses a spatial geometry demonstration device with a projection function and relates to a spatial geometry demonstration device, so as to solve the problems that students can not understand the projection relation of the spatial geometry and the teaching effects are poor as the existing spatial geometry demonstration model cannot specifically demonstrate points, lines, surfaces and the projection relation among the points, the lines and the surfaces. The box body of the utility model is transparent; a frame is sleeved outside the box body; five shading plates are respectively inserted in gaps between the fixe surfaces of the box body and the frame; a white curtain plate is inserted in the rest surface of the box body; a light-emitting plate is inserted in the surface corresponding the white curtain plate, and the light-emitting plate is located in the inner side of the shading plate; a cross beam is respectively arranged on each through hole; both ends of each elastic component are hooked on the through hole on the end surface of the box body; a plurality of elastic components hooked on the through holes form a polygon; and an inserting piece is on the polygon in a lap joint mode. The spatial geometry demonstration device with the projection function disclosed by the utility model can be used for the mathematics teaching process in university.
Description
Technical field
The utility model relates to a kind of space geometry demonstration device, is specifically related to a kind of space geometry demonstration device with projecting function.
Background technology
On the mathematics, space geometry is traditional title of three dimensional euclidean space geometry.Space geometry generally as the follow-up course of plane geometry, is used widely in the fields such as machinery and building.Generally speaking, the mathematics teacher is in the process of giving lessons of space geometry, particularly in parts such as " straight line and plane ", " polyhedral angle and polyhedrons ", because of key concept and content abstract, the student lacks space, be difficult to understand (or on blackboard) drawn in the book planimetric map center line and the relation of the mutual alignment, space between line, line and face and plane and the plane, need to demonstrate material object during explanation, at present, in most cases all be by explanation, often be difficult to the teaching efficiency that reaches good, because there not being special displaying teaching aid, therefore become the over the years difficult point of teaching.Particularly in how much of mathematical spaces and the engineering drawing teaching, sometimes need to the student explain projection relation, and existing space geometry demonstrating model can't specifically be demonstrated projection relation, simultaneously, how a lot of classmates are to know figure and draw and be confused about always, cause the student can't understand the projection relation of space geometry, teaching efficiency is poor.
Summary of the invention
The purpose of this utility model is can't specifically demonstrate point, line, surface and the projection relation between them in order to solve existing space geometry demonstrating model, causes the student can't understand the projection relation of space geometry, the problem that teaching efficiency is poor.And then provide a kind of space geometry demonstration device with projecting function.
The technical solution of the utility model is: a kind of space geometry demonstration device with projecting function comprises box body, the detachable upper cover of box body upper end unloads and mounts cover on box body, on six faces of box body all the mode with rectangular array have a plurality of through holes, on per three adjacent ribs on the box body and per three the adjacent faces coordinate scale value is arranged all, described space geometry demonstration device also comprises framework, luminous plaque, white curtain plate, inserted sheet, five shadow shields, a plurality of crossbeams and a plurality of elastic component, box body is transparent box body, framework is sleeved on the outside of box body, and eight summits of box body are connected with eight summits of framework, leave the slit between framework and the box body, five shadow shields are inserted into respectively in five faces and the slit between the framework of box body, a white curtain plate is inserted on the box body in the remaining face, luminous plaque is inserted in the face relative with white curtain plate, and luminous plaque is positioned at the inboard of shadow shield, each crossbeam includes first crossbeam and second cross beam, first crossbeam and second cross beam are arranged in a crossed manner, be equipped with a crossbeam on each through hole, the two ends of each elastic component all are hooked on the through hole of box body end face, be hooked between a plurality of elastic components on the through hole and form polygon, inserted sheet is overlapped on the described polygon.
Described box body is the cube box body.
Described luminous plaque comprises a plurality of light emitting diodes and surface plate, and a plurality of light emitting diodes are embedded on the surface plate with the form of rectangular array.
Described white curtain plate comprises curtain and rectangle support, and the curtain tiling also is fixed on the rectangle support.
Described first crossbeam and second cross beam are the right-angled intersection setting.
Described elastic component comprises two hooks and rubber muscle, and the two ends of rubber muscle are hooked on respectively between two hooks.
The quantity of described elastic component is 3-8.
The utility model compared with prior art has following effect: 1. the utility model has increased projecting function at the space geometry demonstration device, the union space geometry is demonstrated and is projected as one, be convenient to the teacher and in the process of giving lessons, demonstrate point, line, surface and the projection relation between them, so that the process of giving lessons is more vivid, be convenient to understand the projection relation of space geometry, teaching efficiency is good.2. projecting function of the present utility model can directly obtain the projection of point, line, surface and conventional space diagram fast and accurately, can directly observe different views by the position that changes light source, as: front view, vertical view and left view etc., successful, with distinct contrast.3. by projection of the present utility model and demonstration, can better cultivate student's logical thinking ability and space imagination, and ability of analyzing problems and solving problems.4. the utility model is simple in structure, is easy to realize, and is with low cost, is convenient to be widely used.
Description of drawings
Fig. 1 is one-piece construction schematic diagram of the present utility model; Fig. 2 is the structural representation of elastic component; Fig. 3 is that Fig. 1 is at the partial enlarged drawing at A place.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1-Fig. 3, present embodiment comprises box body 1, loam cake 2 detachable covers of box body 1 upper end are contained on the box body 1, on six faces of box body 1 all the mode with rectangular array have a plurality of through holes 3, on per three adjacent ribs on the box body 1 and per three the adjacent faces coordinate scale value is arranged all, described space geometry demonstration device also comprises framework 4, luminous plaque 5, white curtain plate 6, inserted sheet 10, five shadow shields 7, a plurality of crossbeams 8 and a plurality of elastic component 9, box body 1 is transparent box body, framework 4 is sleeved on the outside of box body 1, and eight summits of box body 1 are connected with eight summits of framework 4, leave the slit between framework 4 and the box body 1, five shadow shields 7 are inserted into respectively in five faces and the slit between the framework 4 of box body 1, a white curtain plate 6 is inserted on the box body 1 in the remaining face, luminous plaque 5 is inserted in the face relative with white curtain plate 6, and luminous plaque 5 is positioned at the inboard of shadow shield 7, each crossbeam 8 includes first crossbeam 8-1 and second cross beam 8-2, first crossbeam 8-1 and second cross beam 8-2 are arranged in a crossed manner, be equipped with a crossbeam 8 on each through hole 3, the two ends of each elastic component 9 all are hooked on the through hole 3 of box body 1 end face, be hooked between a plurality of elastic components 9 on the through hole 3 and form polygon, inserted sheet 10 is overlapped on the described polygon.
The box body 1 of present embodiment is the cube box body.During use, can select the box body of regular cube.So arrange, be convenient to design and calculation level, line and face between distance.
The luminous plaque 5 of present embodiment comprises a plurality of light emitting diode 5-1 and surface plate 5-2, and a plurality of light emitting diode 5-1 are embedded on the surface plate 5-2 with the form of rectangular array.So arrange, simple in structure, be easy to realize illumination functions.
The white curtain plate 6 of present embodiment comprises curtain 6-1 and rectangle support 6-2, and curtain 6-1 tiling also is fixed on the rectangle support 6-2.So arrange, be convenient to plug-in mounting and dismounting.
The first crossbeam 8-1 of present embodiment and second cross beam 8-2 are the right-angled intersection setting.So arrange, being convenient to elastic component 9 two ends can firmly be hooked on the through hole 3.
The elastic component 9 of present embodiment comprises two hook 9-1 and rubber muscle 9-2, and the two ends of rubber muscle 9-2 are hooked on respectively between two hook 9-1.So arrange, simple in structure, hook is convenient, is easy to realize, and is with low cost.
The quantity of the elastic component 9 of present embodiment is 3-8.So arrange, be convenient to the use of polygon explanation, simultaneously, temporary transient obsolete elastic component 9 also can be used as for subsequent use.
The inserted sheet 10 of present embodiment is triangle, quadrilateral, pentagon, hexagon, heptagon or octagon.So arrange, the inserted sheet of these shapes uses when being convenient to explain for inserted sheet commonly used.
Operating process of the present utility model:
1, is illustrated as prior art between the point, line, surface, do not describing herein.But in use, need not plug-in mounting luminous plaque 5, white curtain plate 6 and five shadow shields 7.
2, the projection relation between the space geometry:
At first, five shadow shields 7 are inserted into respectively in five faces and the slit between the framework 4 of box body 1, a white curtain plate 6 is inserted on the box body 1 in the remaining face, and luminous plaque 5 is inserted in the face relative with white curtain plate 6, and luminous plaque 5 is positioned at the inboard of shadow shield 7.Then, light emitting diode 5-1 is switched on.At last, the object that needs projection is placed in the box body 1, on the white curtain plate 6 on light emitting diode 5-1 opposite, can forms projection, change the position of luminous plaque 5, can see the perspective view of different azimuth.
Present embodiment can be seen the perspective view of different azimuth in the outside of white curtain plate 6 in the process that realizes.
Claims (7)
1. space geometry demonstration device with projecting function, it comprises box body (1), loam cake (2) detachable cover of box body (1) upper end is contained on the box body (1), on six faces of box body (1) all the mode with rectangular array have a plurality of through holes (3), on per three adjacent ribs on the box body (1) and per three the adjacent faces coordinate scale value is arranged all, it is characterized in that: described space geometry demonstration device also comprises framework (4), luminous plaque (5), white curtain plate (6), inserted sheet (10), five shadow shields (7), a plurality of crossbeams (8) and a plurality of elastic component (9), box body (1) is transparent box body, framework (4) is sleeved on the outside of box body (1), and eight summits of box body (1) are connected with eight summits of framework (4), leave the slit between framework (4) and the box body (1), five shadow shields (7) are inserted into respectively in five faces and the slit between the framework (4) of box body (1), white curtain plate (6) is inserted in the upper remaining face of box body (1), luminous plaque (5) is inserted in the face relative with white curtain plate (6), and luminous plaque (5) is positioned at the inboard of shadow shield (7), each crossbeam (8) includes first crossbeam (8-1) and second cross beam (8-2), first crossbeam (8-1) and second cross beam (8-2) are arranged in a crossed manner, be equipped with a crossbeam (8) on each through hole (3), the two ends of each elastic component (9) all are hooked on the through hole (3) of box body (1) end face, be hooked between a plurality of elastic components (9) on the through hole (3) and form polygon, inserted sheet (10) is overlapped on the described polygon.
2. a kind of space geometry demonstration device with projecting function according to claim 1, it is characterized in that: described box body (1) is the cube box body.
3. a kind of space geometry demonstration device with projecting function according to claim 1 and 2, it is characterized in that: described luminous plaque (5) comprises a plurality of light emitting diodes (5-1) and surface plate (5-2), and a plurality of light emitting diodes (5-1) are embedded on the surface plate (5-2) with the form of rectangular array.
4. a kind of space geometry demonstration device with projecting function according to claim 3 is characterized in that: a described white curtain plate (6) comprises curtain (6-1) and rectangle support (6-2), and curtain (6-1) tiles and is fixed on the rectangle support (6-2).
5. a kind of space geometry demonstration device with projecting function according to claim 4 is characterized in that: described first crossbeam (8-1) and second cross beam (8-2) are the right-angled intersection setting.
6. a kind of space geometry demonstration device with projecting function according to claim 1 or 5, it is characterized in that: described elastic component (9) comprises two hooks (9-1) and rubber muscle (9-2), and the two ends of rubber muscle (9-2) are hooked on respectively between two hooks (9-1).
7. a kind of space geometry demonstration device with projecting function according to claim 6, it is characterized in that: the quantity of described elastic component (9) is 3-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204870429U CN202748987U (en) | 2012-09-24 | 2012-09-24 | Spatial geometry demonstration device with projection function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204870429U CN202748987U (en) | 2012-09-24 | 2012-09-24 | Spatial geometry demonstration device with projection function |
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| Publication Number | Publication Date |
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| CN202748987U true CN202748987U (en) | 2013-02-20 |
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| CN2012204870429U Expired - Fee Related CN202748987U (en) | 2012-09-24 | 2012-09-24 | Spatial geometry demonstration device with projection function |
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| CN (1) | CN202748987U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103335852A (en) * | 2013-07-02 | 2013-10-02 | 无锡吉兴汽车声学部件科技有限公司 | Auxiliary grid tooling for automotive front barricading sound test |
| CN105869498A (en) * | 2016-06-08 | 2016-08-17 | 沈阳工业大学 | Flexible traction angle branching type linkage linear three-plane projection demonstration board |
| CN106157752A (en) * | 2016-08-29 | 2016-11-23 | 南京工业职业技术学院 | A kind of primitive color light synthetic method demonstration equation group is with the device solving conversion |
| CN106448427A (en) * | 2016-12-11 | 2017-02-22 | 沈阳工业大学 | Linear three-plane projection demonstration plate with space model and three-projection linkage |
| CN106485997A (en) * | 2016-12-11 | 2017-03-08 | 沈阳工业大学 | The straight line three-plane projection demonstration board of carrying space model angle separated time slide block type linkage |
| CN106485988A (en) * | 2016-12-11 | 2017-03-08 | 沈阳工业大学 | The straight line three-plane projection demonstration board of the drawing linkage of carrying space model spool |
| CN106504616A (en) * | 2016-11-30 | 2017-03-15 | 浙江海洋大学 | A kind of space-time experimental provision |
| CN106530932A (en) * | 2016-12-11 | 2017-03-22 | 沈阳工业大学 | Two-side projection demonstration board with space model for flexile-traction straight lines |
| CN106781968A (en) * | 2016-12-11 | 2017-05-31 | 沈阳工业大学 | The straight line three-plane projection demonstration board of carrying space model scale positioning |
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2012
- 2012-09-24 CN CN2012204870429U patent/CN202748987U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103335852B (en) * | 2013-07-02 | 2015-12-09 | 无锡吉兴汽车声学部件科技有限公司 | The auxiliary grid frock of automobile front wall sound insulation measurement |
| CN103335852A (en) * | 2013-07-02 | 2013-10-02 | 无锡吉兴汽车声学部件科技有限公司 | Auxiliary grid tooling for automotive front barricading sound test |
| CN105869498A (en) * | 2016-06-08 | 2016-08-17 | 沈阳工业大学 | Flexible traction angle branching type linkage linear three-plane projection demonstration board |
| CN105869498B (en) * | 2016-06-08 | 2018-08-21 | 沈阳工业大学 | The straight line three-plane projection demonstration board of flexible drawing angle line-disparting type linkage |
| CN106157752A (en) * | 2016-08-29 | 2016-11-23 | 南京工业职业技术学院 | A kind of primitive color light synthetic method demonstration equation group is with the device solving conversion |
| CN106504616A (en) * | 2016-11-30 | 2017-03-15 | 浙江海洋大学 | A kind of space-time experimental provision |
| CN106504616B (en) * | 2016-11-30 | 2019-03-05 | 浙江海洋大学 | A kind of space-time experimental provision |
| CN106530932A (en) * | 2016-12-11 | 2017-03-22 | 沈阳工业大学 | Two-side projection demonstration board with space model for flexile-traction straight lines |
| CN106485988A (en) * | 2016-12-11 | 2017-03-08 | 沈阳工业大学 | The straight line three-plane projection demonstration board of the drawing linkage of carrying space model spool |
| CN106781968A (en) * | 2016-12-11 | 2017-05-31 | 沈阳工业大学 | The straight line three-plane projection demonstration board of carrying space model scale positioning |
| CN106485997A (en) * | 2016-12-11 | 2017-03-08 | 沈阳工业大学 | The straight line three-plane projection demonstration board of carrying space model angle separated time slide block type linkage |
| CN106781968B (en) * | 2016-12-11 | 2018-11-06 | 沈阳工业大学 | The straight line three-plane projection demonstration board of carrying space model scale positioning |
| CN106530932B (en) * | 2016-12-11 | 2018-11-06 | 沈阳工业大学 | The flexible drawing straight line two*.plane projection demonstration board of carrying space model |
| CN106485988B (en) * | 2016-12-11 | 2018-11-06 | 沈阳工业大学 | The straight line three-plane projection demonstration board of the drawing linkage of carrying space model spool |
| CN106448427B (en) * | 2016-12-11 | 2018-11-09 | 沈阳工业大学 | The straight line three-plane projection demonstration board of the projection linkage of carrying space model three |
| CN106448427A (en) * | 2016-12-11 | 2017-02-22 | 沈阳工业大学 | Linear three-plane projection demonstration plate with space model and three-projection linkage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20130924 |