CN202549111U - Multifunctional three-face projection box - Google Patents
Multifunctional three-face projection box Download PDFInfo
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- CN202549111U CN202549111U CN2012202089798U CN201220208979U CN202549111U CN 202549111 U CN202549111 U CN 202549111U CN 2012202089798 U CN2012202089798 U CN 2012202089798U CN 201220208979 U CN201220208979 U CN 201220208979U CN 202549111 U CN202549111 U CN 202549111U
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- projection
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Abstract
The utility model relates to a multifunctional three-face projection box, consisting of a plurality of projection surfaces, a ceiling plate and a solid model. A projection surface H, a projection surface V and a projection W are mutually vertical, the ceiling plate is fixed above the projection surface V and the projection surface W, and a projection surface V1 is mobile, can be fixedly arranged between the projection surface H and the ceiling plate and is vertical to the projection surface H. The ceiling plate is transparent, a plurality of equidistant small holes are arranged on the ceiling plate. The solid model is of six categories including lines, surfaces, basic bodies, combined bodies, cut bodies and intersecting bodies, a plurality of small holes are arranged on the solid model and are used for tying suspension lines, and the suspension lines are fixed on the small holes of the ceiling plate through plugs. The plugs are made of flexible transparent materials and are fixed on the small holes of the ceiling plate in an extrusion deformation manner. The multifunctional three-face projection box disclosed by the utility model can be used for showing straight-line and planar projections of various positions of the projection surfaces, showing the three-face projection of a body and showing the projection relationship of a method of conversion surface, and can facilitate students to greatly learn the projection relationship in a descriptive geometry course.
Description
Technical field
The utility model relates to the teaching aid field of projection relation in the CAL descriptive geometry course.
Background technology
At present, a lot of industry science specialties are all offered the descriptive geometry course, owing to need very strong space force image; A lot of students can not understand three-plane projection's relation well; Be difficult to set up the thinking transfer capability from the space configuration to the planar graph, the normal aid illustration three-plane projection relations such as axonometric projection graph, entity teaching mode that adopt in the teaching, still; These methods also need the student to have stronger space imagining ability could to understand; Therefore, need a kind of projection case that can embody the polyhedral projection relation better, auxiliary student learns the projection relation in the descriptive geometry.
Summary of the invention
In order to show various projection relations better; Auxiliary student learns the descriptive geometry course; The utility model provides a kind of multi-functional three-plane projection case; This projection case can be showed the three-plane projection of line, face and body easily, and can show the specific position straight line on right angle projection theorem, the general position plane and once change the projection relation of face method.
The technical scheme of the utility model is following:
Said multi-functional three-plane projection case is made up of a plurality of projecting planes, top board and solid model.
Projecting plane H, projecting plane V, projecting plane W, projecting plane V1 and top board are formed three-plane projection's case; Projecting plane H below; Projecting plane V and projecting plane W are fixed together through joinery and its construction; And fix through joinery and its construction and projecting plane H, projecting plane V is positioned at the rear side of projecting plane H, and projecting plane W is positioned at the right side of projecting plane H.Projecting plane H, projecting plane V and projecting plane W are square, and vertical each other in twos.Fix narrow meshed transparent roof panels at projecting plane V with above the W of projecting plane through joinery and its construction.Projecting plane V1 is movable, highly equals the distance between projecting plane H and top board, can be fixed on the optional position between projecting plane H and top board, and vertical with projecting plane H, can show the projection relation that once changes the face method.
Solid model is wired, six big types of face, basic body, composite entity, cut body and intersecting bodys.All be provided with a plurality of apertures on the solid model, be used for threading solid model is suspended on top board, and the distance on the solid model between the diverse location aperture all is the multiple of aperture pitch on the top board.
Top board adopts transparent material to process, and is square, is provided with a lot of equally spaced apertures above, and these apertures form a foursquare dot matrix, and the outer contour of dot matrix is parallel to the sideline of top board respectively.Suspension line one end is fixed on the solid model, and the other end is fixed on the aperture of top board through stopper.Stopper adopts flexible clear materials to process, and be truncated cone-shaped, and the center has the aperture of perforation.The suspension line of permanent entity model passes the aperture at stopper center, and stopper is fixed on through crimp in the aperture of top board, and suspension line is also choked simultaneously can not be to lower slider.
The utility model is made simple; Easy to use; The three-plane projection that can show line, face, basic body, composite entity, cut body and intersecting body well; Show the specific position straight line on right angle projection theorem, the general position plane and change the projection relation of face method that auxiliary student sets up the thinking transfer capability from the space configuration to the planar graph, learns the projection relation in the descriptive geometry course better.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is the axonometric drawing of the utility model;
Fig. 2 is the stopper detail drawing of the utility model;
Fig. 3 is the solid model figure of the utility model;
Fig. 4 is the enforcement figure of the diverse location line of the utility model;
Fig. 5 is the enforcement figure of the diverse location face of the utility model;
Fig. 6 is the enforcement figure of the face that the changes method of the utility model.
Among the figure: 1-projecting plane H, 2-projecting plane V, 3-projecting plane W, 4-projecting plane V1; The 5-top board, 6-stopper, 7-suspension line, 8-cone model; 9-line model A, 10-line model B, 11-line model C, 12-right-angle triangle model D; 13-right-angle triangle model E, 14-right-angle triangle model F, 15-obtuse triangle model.
Embodiment
Among Fig. 1; Projecting plane H (1) horizontal positioned, projecting plane V (2) and projecting plane W (3) are fixed together through joinery and its construction, and fixing through joinery and its construction and projecting plane H (1); Projecting plane V (2) is positioned at the rear side of projecting plane H (1), and projecting plane W (3) is positioned at the right side of projecting plane H (1).Projecting plane H (1), projecting plane V (2) and projecting plane W (3) are square, and vertical each other in twos.Projecting plane V1 (4) is movable, highly equals the distance between projecting plane H (1) and the top board (5), can be fixed on the optional position between projecting plane H (1) and top board (5), and vertical with projecting plane H (1).Top board (5) is fixed on the top of projecting plane V (2) and projecting plane W (3) through joinery and its construction.Top board (5) is transparent, is convenient to observe the H face projection of body.Top board (5) is provided with a lot of apertures, and these apertures form a foursquare dot matrix, and the outer contour of dot matrix is parallel to the corresponding sideline of top board (5) respectively.Cone model (8) is fixed on the top board (5) through suspension line (7) and stopper (6).Observe cone model (8) from direction respectively, can obtain H face, V face, W face and the projection of V1 face of cone model (8) perpendicular to projecting plane H (1), projecting plane V (2), projecting plane W (3) and projecting plane V1 (4).
Fig. 2 is the detail drawing of stopper (6); Stopper (6) adopts flexible clear materials to process, and be truncated cone-shaped, and the center has the aperture of perforation; The suspension line of permanent entity model (7) passes the aperture at stopper center, and the crimp restriction suspension line (7) through stopper (6) is to lower slider.
Among Fig. 3, solid model comprises line, face, basic body, composite entity, cut body and intersecting body six big classes, on solid model, all is provided with aperture, is used for fixing solid model.
Among Fig. 4, line model A (9), line model B (10) and line model C (11) are provided with two apertures, are fixed on the top board (5) through two suspension lines (7) and two stoppers (6).Through the length and the position on top board (5) of adjustment suspension line (7), can show the projection of projecting plane parallel lines, projecting plane perpendicular line and the general position straight line on each projecting plane.Two suspension lines (7) of line model A (9) are positioned at top board (5) to be gone up on same row's aperture vertical with projecting plane W (3), and length is identical, and therefore, line model A (9) is a vertical profile line, belongs to the perpendicular line on projecting plane.Two suspension lines (7) of line model B (10) are positioned at top board (5) to be gone up on same row's aperture vertical with projecting plane W (3), but length is inequality, and therefore, line model B (10) is a frontal line, belongs to the parallel lines on projecting plane.Two suspension lines (7) of line model C (11) are not isometric, and do not go up on vertical with projecting plane W (3) or vertical with projecting plane V (2) same row's aperture at top board (5), and therefore, line model C (11) is the general position straight line.
Among Fig. 5, right-angle triangle model D (12), right-angle triangle model E (13) and right-angle triangle model F (14) are provided with an aperture at three angle point places, can be fixed on the top board (5) through one, two or three suspension lines (7) and stopper (6).Through radical, length and the position on top board (5) of adjustment suspension line (7), can show the projection on projecting plane parallel surface, projecting plane vertical plane and the general position plane on each projecting plane.Right-angle triangle model D (12) adopts three suspension lines (7) fixing, and the length of three suspension lines (7) is all identical, and therefore, right-angle triangle model D (12) is a surface level, belongs to the parallel surface on projecting plane.Right-angle triangle model E (13) adopts three suspension lines (7) fixing; Wherein, two suspension lines (7) are isometric, and are positioned on upward vertical with projecting plane V (2) the same row's aperture of top board (5); The length of another root suspension line (7) is different with other two; Therefore, right-angle triangle model E (13) is a vertical frontal plane, belongs to the vertical plane on projecting plane.Right-angle triangle model F (14) adopts two suspension lines (7) fixing, and two suspension lines (7) are positioned at top board (5) to be gone up on same row's aperture parallel with projecting plane W (3), and therefore, right-angle triangle model F (14) is a side plane, belongs to the parallel surface on projecting plane.
Among Fig. 6, obtuse triangle model (15) all is provided with an aperture at three angle point a, b, c place, and d place, sideline bc middle part also is provided with an aperture, and has drawn line ad.On the aperture at a, d place, respectively hitch a suspension line (7), the length of two suspension lines (7) is identical, and two suspension lines (7) are not positioned at top board (5) to be gone up on vertical with projecting plane V (2) or vertical with projecting plane W (3) same row's aperture, and therefore, ad is a horizontal line.Then; Select the aperture at angle point b place to hitch a suspension line (7); When the length of the length of b place suspension line (7) and a, d place suspension line (7) is inequality; Obtuse triangle model (15) is the general position plane, but in this general position plane, comprises projecting plane specific position straight line, promptly comprises horizontal line ad on the obtuse triangle model (15).Projecting plane V1 (4) is placed between projecting plane H (1) and the top board (5); Make it perpendicular to projecting plane H (1), and make projecting plane V1 (4), then in new projecting plane system V1/H perpendicular to the line ad on the obtuse triangle model (15); Obtuse triangle model (15) is the vertical plane on projecting plane; Observe obtuse triangle model (15) from direction, can find that its projection on projecting plane V1 (4) is accumulated into straight line, embody and change the projection relation of face method perpendicular to projecting plane V1 (4).
Claims (4)
1. multi-functional three-plane projection case; Be made up of a plurality of projecting planes, top board and solid model, it is characterized in that: projecting plane H (1), projecting plane V (2) and projecting plane W (3) are each other vertical, projecting plane H (1) below; Projecting plane V (2) is at rear side; Projecting plane W (3) is on the right side, and top board (5) is fixed on the top of projecting plane V (2) and projecting plane W (3), and projecting plane V1 (4) is perpendicular to projecting plane H (1); And can be fixed on the optional position between projecting plane H (1) and top board (5), solid model is suspended on the top board (5) through suspension line (7) and stopper (6).
2. multi-functional three-plane projection according to claim 1 case is characterized in that: top board (5) adopts transparent material to process, and above be provided with a lot of equidistant apertures all in a row in length and breadth.
3. multi-functional three-plane projection according to claim 1 case is characterized in that: all be provided with a plurality of apertures on the solid model, the distance on the solid model between the diverse location aperture all is the multiple that top board (5) is gone up aperture pitch.
4. multi-functional three-plane projection according to claim 1 case is characterized in that: stopper (6) adopts flexible clear materials to process, and be truncated cone-shaped, and the center has the aperture of perforation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202089798U CN202549111U (en) | 2012-05-07 | 2012-05-07 | Multifunctional three-face projection box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202089798U CN202549111U (en) | 2012-05-07 | 2012-05-07 | Multifunctional three-face projection box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202549111U true CN202549111U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202089798U Withdrawn - After Issue CN202549111U (en) | 2012-05-07 | 2012-05-07 | Multifunctional three-face projection box |
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| Country | Link |
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| CN (1) | CN202549111U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102708732A (en) * | 2012-05-07 | 2012-10-03 | 山东科技大学 | Multifunctional three-side projection box and projection display method |
| CN111768681A (en) * | 2020-07-28 | 2020-10-13 | 哈尔滨学院 | Geometry projection simulation device |
-
2012
- 2012-05-07 CN CN2012202089798U patent/CN202549111U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102708732A (en) * | 2012-05-07 | 2012-10-03 | 山东科技大学 | Multifunctional three-side projection box and projection display method |
| CN111768681A (en) * | 2020-07-28 | 2020-10-13 | 哈尔滨学院 | Geometry projection simulation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121121 Effective date of abandoning: 20140219 |
|
| RGAV | Abandon patent right to avoid regrant |