CN204423745U - A kind of three projecting plane system diverse location straight line and orthogonal projection demonstration teaching aids thereof - Google Patents
A kind of three projecting plane system diverse location straight line and orthogonal projection demonstration teaching aids thereof Download PDFInfo
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- CN204423745U CN204423745U CN201520094577.3U CN201520094577U CN204423745U CN 204423745 U CN204423745 U CN 204423745U CN 201520094577 U CN201520094577 U CN 201520094577U CN 204423745 U CN204423745 U CN 204423745U
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Abstract
The utility model discloses a kind of three projecting plane system diverse location straight line and orthogonal projection demonstration teaching aids thereof, comprise three projecting plane system construction assemblies, space line builds assembly and straight line orthogonal projection builds assembly, three projecting plane system construction assemblies comprise horizontal panel, front panel and side panel, the crossover location of the line anyhow place that on horizontal panel, the crossover location of the line anyhow place of grid score line has a grid score line on horizontal face, front panel has positive face, and in side panel, the crossover location of the line anyhow place of grid score line has lateral aperture; Space line builds assembly and straight line orthogonal projection structure assembly comprises fixing rubber sphere, motion rubber sphere, many elastic drag ropes, multiple hook and multiple rubber tacks.The utility model structure is simple, and realization is convenient and cost is low, can demonstrate diverse location straight line and orthogonal projection characteristic thereof in three projecting plane systems independently, fast and accurately, contributes to the teaching efficiency ensureing Mechanical Drawing Taught, is convenient to promote the use of.
Description
Technical field
The utility model belongs to engineering graphics teaching teaching aid technical field, is specifically related to a kind of three projecting plane system diverse location straight line and orthogonal projection demonstration teaching aids thereof.
Background technology
Mechanical Drawing Taught is the required very important professional basic course of all kinds of Engineering Speciality, and in the education activities of reality, have a lot of student to lack space imagining ability, and student generally to reflect that this course finds it difficult to learn hard to understand, there is fear to manufacturing process and equipment, have the mood of beating a retreat in the face of difficulties.And at present school also imparts knowledge to students continuing to use more original wall charts in mechanical drawing teaching, and existing wall chart all constantly aging, damage and even lose, and demonstrating effect is also not fully up to expectations, and teaching efficiency is difficult to guarantee naturally.And in the study of Mechanical Drawing Taught, the study of different spatial straight line and orthogonal projection characteristic thereof is again the important lesson, in three projecting plane systems, different with the relative position of three Basic projection planes according to space line, straight line can be divided into three major types seven kinds, one class is projecting plane parallel lines (frontal line, horizontal line, profile line), one class is projecting plane perpendicular line (vertical frontal line, pedal line, vertical profile line), 3rd class is common place planc, this three major types seven kinds of straight lines and orthogonal projection thereof have respective feature and character separately, prior art urgent need is a kind of can the three-dimensional demonstration teaching aid demonstrating three projecting plane system diverse location straight lines and orthogonal projection thereof.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of three projecting plane system diverse location straight line and orthogonal projection demonstration teaching aids thereof are provided, its structure is simple, realization is convenient and cost is low, diverse location straight line and orthogonal projection characteristic thereof in three projecting plane systems can be demonstrated independently, fast and accurately, contribute to the teaching efficiency ensureing Mechanical Drawing Taught, practical, be convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of three projecting plane system diverse location straight line and orthogonal projection demonstration teaching aids thereof, it is characterized in that: comprise three projecting plane system construction assemblies, space line builds assembly and straight line orthogonal projection builds assembly, described three projecting plane system construction assemblies comprise the horizontal panel for building horizontal plane, for building the front panel in upright projection face and the side panel for building edge-on projecting plane, described horizontal panel, front panel is vertically fixedly connected with mutually with two dual-sides of side panel, described horizontal panel, front panel and side panel are provided with grid score line, on described horizontal panel, the crossover location of the line anyhow place of grid score line has horizontal face, on described front panel, the crossover location of the line anyhow place of grid score line has positive face, in described side panel, the crossover location of the line anyhow place of grid score line has lateral aperture, described space line builds assembly and comprises the fixing rubber sphere for building space point of fixity and the motion rubber sphere for building spatial movement point, and for the first elastic drag rope of building space line and the second elastic drag rope for building space line, one end of described first elastic drag rope is fixedly connected with fixing rubber sphere, the other end of described first elastic drag rope is fixedly connected with the first hook, one end of described second elastic drag rope is fixedly connected with motion rubber sphere, the other end of described second elastic drag rope is fixedly connected with for linking up with first second linking up with of being connected, described straight line orthogonal projection build assembly comprise the first rubber tack for building the orthogonal projection of space point of fixity on horizontal panel, for building the second rubber tack of the orthogonal projection of space point of fixity on front panel and the 3rd rubber tack for building the orthogonal projection of space point of fixity in side panel, and for build the orthogonal projection of spatial movement point on horizontal panel the 4th rubber tack, for building the 5th rubber tack of the orthogonal projection of spatial movement point on front panel and the 6th rubber tack for building the orthogonal projection of spatial movement point in side panel, described first rubber tack is fixedly connected with fixing rubber sphere by the first fixed bar perpendicular to horizontal panel, described second rubber tack is fixedly connected with fixing rubber sphere by the second fixed bar perpendicular to front panel, and described 3rd rubber tack is fixedly connected with fixing rubber sphere by the 3rd fixed bar perpendicular to side panel, the top of described 4th rubber tack is fixedly connected with the moving lever for the motion rubber sphere that is slidably connected, described first rubber tack inserts the horizontal face being arranged in the orthogonal projection position of space point of fixity on horizontal panel, described second rubber tack inserts the positive face being arranged in the orthogonal projection position of space point of fixity on front panel, and described 3rd rubber tack inserts the lateral aperture being arranged in the orthogonal projection position of space point of fixity in side panel, described 4th rubber tack inserts the horizontal face being arranged in the orthogonal projection position of spatial movement point on horizontal panel, described 5th rubber tack inserts the positive face being arranged in the orthogonal projection position of spatial movement point on front panel, and described 6th rubber tack inserts the lateral aperture being arranged in the orthogonal projection position of spatial movement point in side panel, described first rubber tack is fixedly connected with the 3rd elastic drag rope for building the orthogonal projection of space line on horizontal panel, the end of described 3rd elastic drag rope is connected with the 3rd hook, described 4th rubber tack is fixedly connected with the 4th elastic drag rope for building the orthogonal projection of space line on horizontal panel, the end of described 4th elastic drag rope is connected with for linking up with the 3rd the 4th hook be connected, described second rubber tack is fixedly connected with the 5th elastic drag rope for building the orthogonal projection of space line on front panel, the end of described 5th elastic drag rope is connected with the 5th hook, described 5th rubber tack is fixedly connected with the 6th elastic drag rope for building the orthogonal projection of space line on front panel, the end of described 6th elastic drag rope is connected with for linking up with the 5th the 6th hook be connected, described 3rd rubber tack is fixedly connected with the 7th elastic drag rope for building the orthogonal projection of space line in side panel, the end of described 7th elastic drag rope is connected with the 7th hook, described 6th rubber tack is fixedly connected with the 8th elastic drag rope for building the orthogonal projection of space line in side panel, the end of described 8th elastic drag rope is connected with for linking up with the 7th the 8th hook be connected.
Above-mentioned one three projecting plane system diverse location straight line and orthogonal projection demonstration teaching aid thereof, is characterized in that: the side that described horizontal panel, front panel and side panel are fixedly connected with between two is provided with scale.
Above-mentioned one three projecting plane system diverse location straight line and orthogonal projection demonstration teaching aid thereof, it is characterized in that: the vertical line inserting the grid score line at the horizontal face place of the first rubber tack is provided with scale, the vertical line inserting the grid score line at the positive face place of the second rubber tack is provided with scale.
Above-mentioned one three projecting plane system diverse location straight line and orthogonal projection demonstration teaching aid thereof, is characterized in that: described moving lever is provided with scale.
The utility model compared with prior art has the following advantages:
1, the utility model structure is simple, rationally novel in design, and realization is convenient and cost is low.
2, the utility model is a kind of teaching aid can demonstrating diverse location straight line and orthogonal projection thereof in three projecting plane systems independently, fast and accurately, the drawing method of the orthogonal projection of spatial point and straight line in the system of demonstration three projecting plane can be facilitated, the spatial thinking ability overcoming student is not enough, help student to form the mapping thinking of diverse location straight line its projection in three projecting plane systems, deepen the understanding of student to straight line and orthogonal projection characteristic thereof.
3, on the side that the utility model horizontal panel, front panel and side panel are fixedly connected with between two, insert on the vertical line of the grid score line at the horizontal face place of the first rubber tack, insert on the vertical line of the grid score line at the positive face place of the second rubber tack, and moving lever is provided with scale, the effect of accurately demonstration can be realized.
4, use of the present utility model, contribute to the teaching efficiency ensureing Mechanical Drawing Taught, practical, result of use is good, is convenient to promote the use of.
In sum, the utility model structure is simple, and realization is convenient and cost is low, diverse location straight line and orthogonal projection characteristic thereof in three projecting plane systems can be demonstrated independently, fast and accurately, contribute to the teaching efficiency ensureing Mechanical Drawing Taught, practical, be convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that the utility model is for demonstrating the using state schematic diagram of frontal line and orthogonal projection thereof.
Description of reference numerals:
1-horizontal panel; 2-front panel; 3-side panel;
4-horizontal face; 5-positive face; 6-lateral aperture;
7-motion rubber sphere; 8-the first elastic drag rope; 9-the second elastic drag rope;
10-fixing rubber sphere; 11-the first rubber tack; 12-the second rubber tack;
13-the three rubber tack; 14-the four rubber tack; 15-the five rubber tack;
16-the six rubber tack; 17-the first fixed bar; 18-the second fixed bar;
19-the three fixed bar; 20-moving lever; 21-the three elastic drag rope;
22-the three hook; 23-the four elastic drag rope; 24-the four hook;
25-the five elastic drag rope; 26-the five hook; 27-the six elastic drag rope;
28-the six hook; 29-the seven elastic drag rope; 30-the seven hook;
31-the eight elastic drag rope; 32-the eight hook; 33-the first hook;
34-the second hook.
Embodiment
As shown in Figure 1, the utility model comprises three projecting plane system construction assemblies, space line builds assembly and straight line orthogonal projection builds assembly, described three projecting plane system construction assemblies comprise the horizontal panel 1 for building horizontal plane H, for building the front panel 2 of upright projection face V and the side panel 3 for building edge-on projecting plane W, described horizontal panel 1, front panel 2 is vertically fixedly connected with mutually with two dual-sides of side panel 3, described horizontal panel 1, front panel 2 and side panel 3 are provided with grid score line, on described horizontal panel 1, the crossover location of the line anyhow place of grid score line has horizontal face 4, on described front panel 2, the crossover location of the line anyhow place of grid score line has positive face 5, in described side panel 3, the crossover location of the line anyhow place of grid score line has lateral aperture 6, described space line builds assembly and comprises the fixing rubber sphere 10 for building space point of fixity and the motion rubber sphere 7 for building spatial movement point, and for the first elastic drag rope 8 of building space line and the second elastic drag rope 9 for building space line, one end of described first elastic drag rope 8 is fixedly connected with fixing rubber sphere 10, the other end of described first elastic drag rope 8 is fixedly connected with the first hook 33, one end of described second elastic drag rope 9 is fixedly connected with motion rubber sphere 7, the other end of described second elastic drag rope 9 be fixedly connected with for first link up with 33 be connected second link up with 34, described straight line orthogonal projection structure assembly comprises the first rubber tack 11 for building the orthogonal projection of space point of fixity on horizontal panel 1, for building the second rubber tack 12 of the orthogonal projection of space point of fixity on front panel 2 and the 3rd rubber tack 13 for building the orthogonal projection of space point of fixity in side panel 3, and for building the 4th rubber tack 14 of the orthogonal projection of spatial movement point on horizontal panel 1, for building the 5th rubber tack 15 of the orthogonal projection of spatial movement point on front panel 2 and the 6th rubber tack 16 for building the orthogonal projection of spatial movement point in side panel 3, described first rubber tack 11 is fixedly connected with fixing rubber sphere 10 by the first fixed bar 17 perpendicular to horizontal panel 1, described second rubber tack 12 is fixedly connected with fixing rubber sphere 10 by the second fixed bar 18 perpendicular to front panel 2, and described 3rd rubber tack 13 is fixedly connected with fixing rubber sphere 10 by the 3rd fixed bar 19 perpendicular to side panel 3, the top of described 4th rubber tack 14 is fixedly connected with the moving lever 20 for the motion rubber sphere 7 that is slidably connected, described first rubber tack 11 inserts the horizontal face 4 being arranged in the orthogonal projection position of space point of fixity on horizontal panel 1, described second rubber tack 12 inserts the positive face 5 being arranged in the orthogonal projection position of space point of fixity on front panel 2, and described 3rd rubber tack 13 inserts the lateral aperture 6 being arranged in the orthogonal projection position of space point of fixity in side panel 3, described 4th rubber tack 14 inserts the horizontal face 4 being arranged in the orthogonal projection position of spatial movement point on horizontal panel 1, described 5th rubber tack 15 inserts the positive face 5 being arranged in the orthogonal projection position of spatial movement point on front panel 2, and described 6th rubber tack 16 inserts the lateral aperture 6 being arranged in the orthogonal projection position of spatial movement point in side panel 3, described first rubber tack 11 is fixedly connected with the 3rd elastic drag rope 21 for building the orthogonal projection of space line on horizontal panel 1, the end of described 3rd elastic drag rope 21 is connected with the 3rd hook 22, described 4th rubber tack 14 is fixedly connected with the 4th elastic drag rope 23 for building the orthogonal projection of space line on horizontal panel 1, the end of described 4th elastic drag rope 23 be connected with for the 3rd link up with 22 be connected the 4th link up with 24, described second rubber tack 12 is fixedly connected with the 5th elastic drag rope 25 for building the orthogonal projection of space line on front panel 2, the end of described 5th elastic drag rope 25 is connected with the 5th hook 26, described 5th rubber tack 15 is fixedly connected with the 6th elastic drag rope 27 for building the orthogonal projection of space line on front panel 2, the end of described 6th elastic drag rope 27 be connected with for the 5th link up with 26 be connected the 6th link up with 28, described 3rd rubber tack 13 is fixedly connected with the 7th elastic drag rope 29 for building the orthogonal projection of space line in side panel 3, the end of described 7th elastic drag rope 29 is connected with the 7th hook 30, described 6th rubber tack 16 is fixedly connected with the 8th elastic drag rope 31 for building the orthogonal projection of space line in side panel 3, the end of described 8th elastic drag rope 31 be connected with for the 7th link up with 30 be connected the 8th link up with 32.
As shown in Figure 1, in the present embodiment, the side that described horizontal panel 1, front panel 2 and side panel 3 are fixedly connected with between two is provided with scale.The vertical line inserting the grid score line at horizontal face 4 place of the first rubber tack 11 is provided with scale, the vertical line inserting the grid score line at positive face 5 place of the second rubber tack 12 is provided with scale.Described moving lever 20 is provided with scale.By arranging scale, be convenient to the effect realizing accurately demonstration.
When using the utility model to carry out three projecting plane system diverse location straight lines and orthogonal projection demonstration thereof, first, the 4th rubber tack 14 be fixedly connected with bottom moving lever 20 is inserted in the varying level face 4 on horizontal panel 1, the motion rubber sphere 7 for building spatial movement point again on sliding motion bar 20, and first elastic drag rope 8 and the second elastic drag rope 9 that stretch, connect the first hook 33 and the second hook 34, just can simulate the three major types seven kinds of straight lines being in different spatial in three projecting plane systems; Then, stretch the 3rd elastic drag rope 21 and the 4th elastic drag rope 23, and connect the 3rd hook 22 and the 4th hook 24, simulates the orthogonal projection of space line on horizontal panel 1; Then, described 5th rubber tack 15 is inserted the positive face 5 being arranged in the orthogonal projection position of spatial movement point on front panel 2, and stretch the 5th elastic drag rope 25 and the 6th elastic drag rope 27, connect the 5th hook 26 and the 6th hook 28, simulate the orthogonal projection of space line on front panel 2; Finally, described 6th rubber tack 16 is inserted the lateral aperture 6 being arranged in the orthogonal projection position of spatial movement point in side panel 3, and stretch the 7th elastic drag rope 29 and the 8th elastic drag rope 31, connect the 7th hook 30 and the 8th hook 32, simulate the orthogonal projection of space line in side panel 3; So just obtain three orthogonal projection of a certain position straight line in three projecting plane systems, the drawing method of the orthogonal projection of spatial point and straight line in the system of demonstration three projecting plane can be facilitated, the spatial thinking ability overcoming student is not enough, helps student to form the mapping thinking of the orthogonal projection of diverse location straight line in three projecting plane systems.Such as, Figure 2 shows that the utility model is for demonstrating the using state schematic diagram of frontal line and orthogonal projection thereof.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (4)
1. a projecting plane system diverse location straight line and orthogonal projection demonstration teaching aid thereof, it is characterized in that: comprise three projecting plane system construction assemblies, space line builds assembly and straight line orthogonal projection builds assembly, described three projecting plane system construction assemblies comprise the horizontal panel (1) for building horizontal plane, for building the front panel (2) in upright projection face and the side panel (3) for building edge-on projecting plane, described horizontal panel (1), front panel (2) is vertically fixedly connected with mutually with two dual-sides of side panel (3), described horizontal panel (1), front panel (2) and side panel (3) are provided with grid score line, anyhow the line crossover location place of the upper grid score line of described horizontal panel (1) has horizontal face (4), anyhow the line crossover location place of the upper grid score line of described front panel (2) has positive face (5), anyhow the line crossover location place of the upper grid score line of described side panel (3) has lateral aperture (6), described space line builds assembly and comprises the fixing rubber sphere (10) for building space point of fixity and the motion rubber sphere (7) for building spatial movement point, and for the first elastic drag rope (8) of building space line and the second elastic drag rope (9) for building space line, one end of described first elastic drag rope (8) is fixedly connected with fixing rubber sphere (10), the other end of described first elastic drag rope (8) is fixedly connected with the first hook (33), one end of described second elastic drag rope (9) is fixedly connected with motion rubber sphere (7), the other end of described second elastic drag rope (9) is fixedly connected with second linking up with (34) of being connected for linking up with (33) with first, described straight line orthogonal projection structure assembly comprises the first rubber tack (11) for building the orthogonal projection of space point of fixity on horizontal panel (1), for building second rubber tack (12) of the orthogonal projection of space point of fixity on front panel (2) and the 3rd rubber tack (13) for building the orthogonal projection of space point of fixity in side panel (3), and for building the 4th rubber tack (14) of the orthogonal projection of spatial movement point on horizontal panel (1), for building the 5th rubber tack (15) of the orthogonal projection of spatial movement point on front panel (2) and the 6th rubber tack (16) for building the orthogonal projection of spatial movement point in side panel (3), described first rubber tack (11) is fixedly connected with fixing rubber sphere (10) by the first fixed bar (17) perpendicular to horizontal panel (1), described second rubber tack (12) is fixedly connected with fixing rubber sphere (10) by the second fixed bar (18) perpendicular to front panel (2), and described 3rd rubber tack (13) is fixedly connected with fixing rubber sphere (10) by the 3rd fixed bar (19) perpendicular to side panel (3), the top of described 4th rubber tack (14) is fixedly connected with the moving lever (20) for motion rubber sphere (7) that are slidably connected, the insertion of described first rubber tack (11) is arranged in the horizontal face (4) of the orthogonal projection position of space point of fixity on horizontal panel (1), the insertion of described second rubber tack (12) is arranged in the positive face (5) of the orthogonal projection position of space point of fixity on front panel (2), and described 3rd rubber tack (13) inserts the lateral aperture (6) being arranged in the orthogonal projection position of space point of fixity in side panel (3), described 4th rubber tack (14) inserts the horizontal face (4) being arranged in the orthogonal projection position of spatial movement point on horizontal panel (1), described 5th rubber tack (15) inserts the positive face (5) being arranged in the orthogonal projection position of spatial movement point on front panel (2), and described 6th rubber tack (16) inserts the lateral aperture (6) being arranged in the orthogonal projection position of spatial movement point in side panel (3), described first rubber tack (11) is fixedly connected with the 3rd elastic drag rope (21) for building the orthogonal projection of space line on horizontal panel (1), the end of described 3rd elastic drag rope (21) is connected with the 3rd hook (22), described 4th rubber tack (14) is fixedly connected with the 4th elastic drag rope (23) for building the orthogonal projection of space line on horizontal panel (1), the end of described 4th elastic drag rope (23) is connected with the 4th linking up with (24) of being connected for linking up with (22) with the 3rd, described second rubber tack (12) is fixedly connected with the 5th elastic drag rope (25) for building the orthogonal projection of space line on front panel (2), the end of described 5th elastic drag rope (25) is connected with the 5th hook (26), described 5th rubber tack (15) is fixedly connected with the 6th elastic drag rope (27) for building the orthogonal projection of space line on front panel (2), the end of described 6th elastic drag rope (27) is connected with the 6th linking up with (28) of being connected for linking up with (26) with the 5th, described 3rd rubber tack (13) is fixedly connected with the 7th elastic drag rope (29) for building the orthogonal projection of space line in side panel (3), the end of described 7th elastic drag rope (29) is connected with the 7th hook (30), described 6th rubber tack (16) is fixedly connected with the 8th elastic drag rope (31) for building the orthogonal projection of space line in side panel (3), the end of described 8th elastic drag rope (31) is connected with the 8th linking up with (32) of being connected for linking up with (30) with the 7th.
2. according to a kind of three projecting plane system diverse location straight line and orthogonal projection demonstration teaching aids thereof according to claim 1, it is characterized in that: the side that described horizontal panel (1), front panel (2) and side panel (3) are fixedly connected with between two is provided with scale.
3. according to the one three projecting plane system diverse location straight line described in claim 1 or 2 and orthogonal projection demonstration teaching aid thereof, it is characterized in that: the vertical line inserting the grid score line at horizontal face (4) place of the first rubber tack (11) is provided with scale, the vertical line inserting the grid score line at positive face (5) place of the second rubber tack (12) is provided with scale.
4. according to the one three projecting plane system diverse location straight line described in claim 1 or 2 and orthogonal projection demonstration teaching aid thereof, it is characterized in that: (20) are provided with scale to described moving lever.
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| CN106448418A (en) * | 2016-12-11 | 2017-02-22 | 沈阳工业大学 | Linear three-plane projection demonstration plate with space model angular bisector type linkage |
| CN107293193A (en) * | 2017-07-07 | 2017-10-24 | 葛娅敬 | Tetrahedron top projects exhibiting device |
| CN110047354A (en) * | 2019-03-22 | 2019-07-23 | 湖州师范学院 | A kind of linear projection's demenstration method |
| CN110047354B (en) * | 2019-03-22 | 2021-01-01 | 湖州师范学院 | Linear projection demonstration method |
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