CN204557916U - A kind of novel point-line-surface projection property demonstration teaching aid - Google Patents
A kind of novel point-line-surface projection property demonstration teaching aid Download PDFInfo
- Publication number
- CN204557916U CN204557916U CN201520257519.8U CN201520257519U CN204557916U CN 204557916 U CN204557916 U CN 204557916U CN 201520257519 U CN201520257519 U CN 201520257519U CN 204557916 U CN204557916 U CN 204557916U
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- China
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- point
- aluminum alloy
- alloy sheet
- face
- polished rod
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Abstract
The utility model relates to a kind of novel point-line-surface projection property demonstration teaching aid, belongs to teaching equipment field.Comprise triangle telescoping mechanism, circuit control part, folding box, single-point topworks; Described folding box inside bottom is provided with circuit control part, is provided with single-point topworks bottom folding box; Described single-point topworks is connected with triangle telescoping mechanism.Compared to existing technology, the utility model has compact volume and convenience, the feature be easy to carry about with one.
Description
Technical field
The utility model belongs to teaching equipment field, particularly a kind of demonstration teaching aid.
Background technology
Mechanical drawing is the core curriculum of mechanical speciality, allows the course of the good mechanical drawing aspect of students be very important, point, line, and face forms substantially three-dimensional, but their concept of projection is be difficult to grasp for beginner.At present, also do not have the special demonstration teaching aid for mechanical drawing, students is difficult to structure and the structure of thoroughly being understood machinery by the explanation that teacher is uninteresting, thus is difficult to grasp genuine talent.Attend class at every turn and all student is taken to workshop directly to observe things be also infeasible.
So this area needs a kind of new technology badly to change such present situation.
Summary of the invention
Technical matters to be solved by this invention: for shortcomings and deficiencies of the prior art, the utility model provides a kind of compact volume and convenience, the novel point-line-surface projection property demonstration teaching aid be easy to carry about with one.
The utility model is design like this: a kind of novel point-line-surface projection property demonstration teaching aid, is characterized in that: comprise triangle telescoping mechanism, circuit control part, folding box, single-point topworks; Described folding box inside bottom is provided with circuit control part, is provided with single-point topworks bottom folding box; Described single-point topworks is connected with triangle telescoping mechanism;
Described triangle telescoping mechanism is provided with three jack columns; Three described jack columns are positioned on leg-of-mutton three summits; Described circuit control part comprises MCU primary controller;
Described folding box comprises V and W face, hinge, sliding door, side plate, aluminum corner brace, base; Described junction, V and W face is provided with hinge, V and W face middle inside is provided with sliding door, V and W face inside bottom is provided with base; Side plate and aluminum corner brace are installed between described sliding door and base;
Described single-point topworks comprises crank, steering wheel, long aluminum alloy sheet, short aluminum alloy sheet, the bolt of M3, slide block, polished rod I, polished rod II, hold-down support, polished rod III, jackscrew, aluminum alloy sheet, bolt I, bolt II, fundamental point, laser diode; Described crank is connected with steering wheel; Described long aluminum alloy sheet is connected with short aluminum alloy sheet by the bolt of M3; Described slide block is provided with horizontal polished rod III and vertical polished rod I and polished rod II; Described slide block is connected with hold-down support by polished rod III; Described aluminum alloy sheet is connected with bolt I, bolt II, fundamental point; Described fundamental point is provided with laser diode.
Described folding box is folding-type box; Described V and W face is divided into V face and W face; Described V face and W face are flexibly connected by hinge, when V face and W face are in a plane, three-dimensional teaching aid are become two-dimentional teaching aid.
Described long aluminum alloy sheet forms by double-deck aluminium flake is hinged; Described short aluminum alloy sheet forms by double-deck aluminium flake is hinged.
Described long aluminum alloy sheet and short aluminum alloy sheet form movable parallelogram, and long aluminum alloy sheet is flexibly connected with the bolt of short aluminum alloy sheet by M3.
Described polished rod I, polished rod II, polished rod III outer wrap have nylon jacket.
By above-mentioned design proposal, the utility model can bring following beneficial effect:
The utility model is provided with multiple fundamental point, comprehensively to complete all point, line, surface knowledge and various exercise.During off working state, described hinge parallelogram stroke amplifier section is packed up, and this time point is ensconced in the control box under described expandable type casing.When pressing the respective keys of infrared remote control, steering wheel operates, and hinge parallelogram stroke amplifier section is stretched out, and fundamental point upwards rises along z-axis.When the knowledge explanation to the line in " mechanical drawing ", two basic points risen, now 2 just can form straight line.With above-mentioned flexible triangle, 2, space is coupled together.Select different remote keying again, the different laser diodes in 2 just can project respectively to H, V, W of expandable type casing.When explaining plane knowledge, rise three fundamental points by selection key, and adjust the height of each point with remote control, to form different planes.With above-mentioned flexible triangle, 3 are connected together again, form 3 planes.Write down subpoint vestige, the fundamental point after having projected, inside being equipped with laser diode is regained in expandable type casing, by the horizontal development of H, V, W face, just image can realize the three-dimensional conversion to two dimension.
The utility model can, by the point, line, surface knowledge instance in drawing, contribute to grasping the deep layer of this part knowledge in students'learning.This device compact volume and convenience, is easy to carry about with one, and in teachers' instruction process, infrared remote-control operation is convenient, is demonstration teaching aid indispensable in the mechanical knowledge of study.
Accompanying drawing explanation
Illustrate that the utility model is described in further detail with embodiment below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of a kind of novel point-line-surface projection property of the utility model demonstration teaching aid.
Fig. 2 is the structural representation of the single-point topworks of a kind of novel point-line-surface projection property of the utility model demonstration teaching aid.
Fig. 3 is the structural representation of the folding box of a kind of novel point-line-surface projection property of the utility model demonstration teaching aid.
1 is triangle telescoping mechanism, 2 is circuit control part, 3 is folding box, 4 is single-point topworks, 5 is crank, 6 is steering wheel, 7 is long aluminum alloy sheet, 8 is short aluminum alloy sheet, 9 is the bolt of M3, 10 is slide block, 11 is polished rod I, 12 is polished rod II, 13 is hold-down support, 14 is polished rod III, 15 is nylon jacket, 16 is jackscrew, 17 is the aluminum alloy sheet of chute type bearing portion, 18 is bolt I, 19 is bolt II, 20 is fundamental point, 21 is laser diode, 22 is V and W face, 23 is hinge, 24 is sliding door, 25 is side plate, 26 is aluminum corner brace, 27 is base.
Embodiment
The novel point-line-surface projection property of one as shown in the figure demonstration teaching aid, is characterized in that: comprise triangle telescoping mechanism 1, circuit control part 2, folding box 3, single-point topworks 4; Described folding box 3 inside bottom is provided with circuit control part 2, is provided with single-point topworks 4 bottom folding box 3; Described single-point topworks 4 is connected with triangle telescoping mechanism 1;
Described triangle telescoping mechanism 1 is provided with three jack columns; Three described jack columns are positioned on leg-of-mutton three summits; Described circuit control part 2 comprises MCU primary controller;
Described folding box 3 comprises V and W face 22, hinge 23, sliding door 24, side plate 25, aluminum corner brace 26, base 27; Described junction, V and W face 22 is provided with hinge 23, V and W face 22 middle inside is provided with sliding door 24, V and W face 22 inside bottom is provided with base 27; Side plate 25 and aluminum corner brace 26 are installed between described sliding door 24 and base 27;
Described single-point topworks 4 comprises crank 5, steering wheel 6, long aluminum alloy sheet 7, short aluminum alloy sheet 8, the bolt 9 of M3, slide block 10, polished rod I 11, polished rod II 12, hold-down support 13, polished rod III 14, jackscrew 16, aluminum alloy sheet 17, bolt I 18, bolt II 19, fundamental point 20, laser diode 21; Described crank 5 is connected with steering wheel 6; Described long aluminum alloy sheet 7 is connected with short aluminum alloy sheet 8 by the bolt 9 of M3; Described slide block 10 is provided with horizontal polished rod III 14 and vertical polished rod I 11 and polished rod II 12; Described slide block 10 is connected with hold-down support 13 by polished rod III 14; Described aluminum alloy sheet 17 is connected with bolt I 18, bolt II 19, fundamental point 20; Described fundamental point 20 is provided with laser diode 21.
Described folding box 3 is folding-type box; Described V and W face 22 is divided into V face and W face; Described V face and W face are flexibly connected by hinge 23, when V face and W face are in a plane, three-dimensional teaching aid are become two-dimentional teaching aid.
Described long aluminum alloy sheet 7 forms by double-deck aluminium flake is hinged; Described short aluminum alloy sheet 8 forms by double-deck aluminium flake is hinged.
Described long aluminum alloy sheet 7 forms movable parallelogram with short aluminum alloy sheet 8, and long aluminum alloy sheet 7 is flexibly connected with the bolt 9 of short aluminum alloy sheet 8 by M3.
Described polished rod I 11, polished rod II 12, polished rod III 14 outer wrap have nylon jacket 15.
The utility model is provided with multiple fundamental point 20, comprehensively to complete all point, line, surface knowledge and various exercise.During off working state, described hinge parallelogram stroke amplifier section is packed up, in the control box under the folding box 3 described in this time point plant.When pressing the respective keys of infrared remote control, steering wheel 6 operates, and hinge parallelogram stroke amplifier section is stretched out, and fundamental point upwards rises along z-axis.When the knowledge explanation to the line in " mechanical drawing ", two basic points risen, now 2 just can form straight line.2, space couples together by described triangle telescoping mechanism 1.Select different remote keying again, the different laser diodes 21 in 2 just can project respectively to H, V, W of expandable type casing.When explaining plane knowledge, rise three fundamental points 20 by selection key, and adjust the height of each point with remote control, to form different planes.With above-mentioned triangle stretched contracting mechanism 1,3 are connected together again, form 3 planes.Write down subpoint vestige, the fundamental point after having projected, inside being equipped with laser diode 21 is regained in folding box 3, by the horizontal development of H, V, W face, just image can realize the three-dimensional conversion to two dimension.
The utility model can, by the point, line, surface knowledge instance in drawing, contribute to grasping the deep layer of this part knowledge in students'learning.This device compact volume and convenience, is easy to carry about with one, and in teachers' instruction process, infrared remote-control operation is convenient, is demonstration teaching aid indispensable in the mechanical knowledge of study.
Claims (5)
1. a novel point-line-surface projection property demonstration teaching aid, is characterized in that: comprise triangle telescoping mechanism (1), circuit control part (2), folding box (3), single-point topworks (4); Described folding box (3) inside bottom is provided with circuit control part (2), and folding box (3) bottom is provided with single-point topworks (4); Described single-point topworks (4) is connected with triangle telescoping mechanism (1);
Described triangle telescoping mechanism (1) is provided with three jack columns; Three described jack columns are positioned on leg-of-mutton three summits; Described circuit control part (2) comprises MCU primary controller;
Described folding box (3) comprises V and W face (22), hinge (23), sliding door (24), side plate (25), aluminum corner brace (26), base (27); Described V and W face (22) junction is provided with hinge (23), V and W face (22) middle inside is provided with sliding door (24), V and W face (22) inside bottom is provided with base (27); Side plate (25) and aluminum corner brace (26) are installed between described sliding door (24) and base (27);
Described single-point topworks (4) comprises crank (5), steering wheel (6), long aluminum alloy sheet (7), short aluminum alloy sheet (8), the bolt (9) of M3, slide block (10), polished rod I (11), polished rod II (12), hold-down support (13), polished rod III (14), jackscrew (16), aluminum alloy sheet (17), bolt I (18), bolt II (19), fundamental point (20), laser diode (21); Described crank (5) is connected with steering wheel (6); Described long aluminum alloy sheet (7) is connected with short aluminum alloy sheet (8) by the bolt (9) of M3; Described slide block (10) is provided with horizontal polished rod III (14) and vertical polished rod I (11) and polished rod II (12); Described slide block (10) is connected with hold-down support (13) by polished rod III (14); Described aluminum alloy sheet (17) is connected with bolt I (18), bolt II (19), fundamental point (20); Described fundamental point (20) is provided with laser diode (21).
2. one according to claim 1 novel point-line-surface projection property demonstration teaching aid, is characterized in that: described folding box (3) is folding-type box; Described V and W face (22) is divided into V face and W face; Described V face and W face are flexibly connected by hinge (23), when V face and W face are in a plane, three-dimensional teaching aid are become two-dimentional teaching aid.
3. one according to claim 1 novel point-line-surface projection property demonstration teaching aid, is characterized in that: described long aluminum alloy sheet (7) forms by double-deck aluminium flake is hinged; Described short aluminum alloy sheet (8) forms by double-deck aluminium flake is hinged.
4. one according to claim 1 novel point-line-surface projection property demonstration teaching aid, it is characterized in that: described long aluminum alloy sheet (7) and short aluminum alloy sheet (8) form movable parallelogram, and long aluminum alloy sheet (7) is flexibly connected with the bolt (9) of short aluminum alloy sheet (8) by M3.
5. one according to claim 1 novel point-line-surface projection property demonstration teaching aid, is characterized in that: described polished rod I (11), polished rod II (12), polished rod III (14) outer wrap have nylon jacket (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520257519.8U CN204557916U (en) | 2014-09-28 | 2015-04-27 | A kind of novel point-line-surface projection property demonstration teaching aid |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420568744 | 2014-09-28 | ||
| CN2014205687449 | 2014-09-28 | ||
| CN201520257519.8U CN204557916U (en) | 2014-09-28 | 2015-04-27 | A kind of novel point-line-surface projection property demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204557916U true CN204557916U (en) | 2015-08-12 |
Family
ID=53833001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520257519.8U Expired - Fee Related CN204557916U (en) | 2014-09-28 | 2015-04-27 | A kind of novel point-line-surface projection property demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204557916U (en) |
-
2015
- 2015-04-27 CN CN201520257519.8U patent/CN204557916U/en not_active Expired - Fee Related
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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: 20150812 Termination date: 20170427 |