CN208433155U - Three-view diagram technique of painting entity for teaching shows device - Google Patents
Three-view diagram technique of painting entity for teaching shows device Download PDFInfo
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- CN208433155U CN208433155U CN201820092726.6U CN201820092726U CN208433155U CN 208433155 U CN208433155 U CN 208433155U CN 201820092726 U CN201820092726 U CN 201820092726U CN 208433155 U CN208433155 U CN 208433155U
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- light source
- background board
- imaging object
- pedestal
- source component
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Abstract
The utility model, which is provided, shows device for the three-view diagram technique of painting entity of teaching, including pedestal, surface light source component and imaging object, the first background board and the second background board are vertically connected on pedestal, and first background board and the second background board be arranged in a mutually vertical manner, surface light source component is connected on pedestal or the second background board by first support bar, imaging object is fixed at the center of pedestal by second support bar, imaging object includes opaque model A and opaque Model B, opaque model A and opaque Model B are the identical two irregular geometrical bodies of shape size, wherein, one group or multiple groups and the one-to-one loophole in target view direction are opened up in opaque Model B, every group of loophole several, radiation direction of the loophole from score along target view extends and penetrates through imaging object, the apparatus structure is simple , it is low in cost, it intuitively shows the three-view diagram of imaging object, facilitates student to understand and remember, be conducive to the formation of student's space sense.
Description
Technical field
The utility model relates to instructional device technical field, the three-view diagram technique of painting entity for being particularly used for teaching is shown
Device.
Background technique
" mechanical drawing ", " Architectural Graphing ", " landscape architectural drawing " are the important Major Basic Courses Offereds of Engineering Students, in work
Occupy weight in the System for Cultivating of the design specialties such as Cheng Kexue, particularly mechanical engineering science, building, Landscape
Status is wanted, and three-view diagram is basis and the foundation of design specialties Drawing Courses, understands and grasp principle and the recognition side of three-view diagram
Method is most important to mechanical drawing is learnt well.Three-view diagram is the emphasis and difficult point of courses such as " mechanical drawing ", and many students are learning
When to this part, just come to a halt as encountering difficulty, and three-view diagram is obstructed, also just there are no under for remaining course content
Hand, some students generate mood of being weary of studying since three-view diagram can not learn, and then abandon learning.
Currently, teacher is to draw the axis survey of object respectively on two-dimensional blackboard surface to the teaching method of three-view diagram in teaching
Figure carries out explanation with three-view diagram or is shown by picture, and not only teacher maps complicated, but also not intuitive enough, or have
Teacher is that the axonometric drawing of object is shown with PPT to explain with three-view diagram, and progress is very fast, student do not start practice and
The chance of thinking, student study get up understanding effect it is undesirable.The drawing of three-view diagram is that student by two-dimensional surface turns to three-dimensional space
Between process, be shown by picture merely, be unfavorable for the formation of student's space sense.
Utility model content
The utility model, which is provided, shows device for the three-view diagram technique of painting entity of teaching, and the apparatus structure is simple, cost
It is cheap, device is shown using the entity in teaching, and the six-way view of imaging object can be intuitively shown to student, facilitates
Physiology solution and memory also help the formation of student's space sense while improving learning efficiency.
The technical solution that the utility model uses to solve above-mentioned technical problem are as follows: the three-view diagram technique of painting entity for teaching
It shows device, including pedestal, surface light source component and imaging object, vertically connects the first background board and the second background board on pedestal,
And first background board and the second background board be arranged in a mutually vertical manner, surface light source component is connected to pedestal or by first support bar
On two background boards, imaging object is fixed at the center of pedestal by second support bar, and imaging object includes using in pairs not
See-through model A and opaque Model B, opaque model A and opaque Model B are the identical two irregular geometry of shape size
The outline projection of body, opaque model A and opaque Model B is in the area source range of exposures of surface light source component, wherein no
On see-through model B, one group or multiple groups and the one-to-one loophole in target view direction are opened up, every group of loophole is several
A, when opening up one group of loophole, radiation direction of the loophole from score along target view extends and penetrates through imaging object
Body, when opening up multiple groups loophole, which is intersected on score, and is initial position along target view using score
Radiation direction extends and penetrates through imaging object.
As a preferred embodiment, the surface light source component includes rectangular box, convex lens, is fixed at concave lens focus
Point light source and the power supply unit powered for point light source.
As a preferred embodiment, first background board and the second background board are hinged on pedestal.
As a preferred embodiment, pedestal, the first background board and the second background board are square plate, and the first background board and
Second background board is light-colored board.
As a preferred embodiment, the power supply unit is battery or external power supply.
As a preferred embodiment, the point light source is LED light source or light bulb.
As a preferred embodiment, the imaging object matched with second support bar is offered at the center of pedestal to fix
The surface light source component fixation hole matched with first support bar is offered on hole, pedestal and the second background board.
As a preferred embodiment, there are three the surface light source component fixation holes, respectively surface light source component fixation hole A,
Surface light source component fixation hole B and surface light source component fixation hole C.
As a preferred embodiment, at least three face of imaging object offers the fixation matched with second support bar
Hole.
Compared with prior art, the utility model has the following beneficial effects:
The utility model, which is provided, shows device for the three-view diagram technique of painting entity of teaching, and the apparatus structure is simple, cost
It is cheap, the three-view diagram of imaging object can be intuitively shown to student, facilitate student to understand and remember, what is improved learning efficiency is same
When also help the formation of student's space sense.In addition, the device uses the identical opaque model of two shape appearances, at it
In loophole is opened up on an opaque model, an opaque model is used to show the profile of imaging object to student, with this
To explain the concept of projection to student；Another opaque model is used to explain the expression content of dotted line in three-view diagram to student,
The spatial imagination that two-dimentional drawing and three-dimension object are mutually converted is formed convenient for student.
Detailed description of the invention
Fig. 1 is the utility model pedestal and background board structural schematic diagram；
Fig. 2 is the opaque model A structural schematic diagram of the utility model；
Fig. 3 is the opaque Model B structural schematic diagram of the utility model；
Fig. 4 is that the utility model embodiment one shows schematic diagram；
Fig. 5 is that the utility model embodiment two shows schematic diagram；
Fig. 6 is that the utility model embodiment three shows schematic diagram；
Fig. 7 is that the utility model embodiment four shows schematic diagram；
Appended drawing reference: 1, pedestal, 2, surface light source component, 3, imaging object, 301, opaque model A, 302, opaque mould
Type B, the 4, first background board, the 5, second background board, 6, convex lens, 7, point light source, 8, first support bar, 9, second support bar, 10,
Loophole, 11, imaging object fixation hole, 12, surface light source component fixation hole, 1201, surface light source component fixation hole A, 1202, face light
Source component fixation hole B, 1203, surface light source component fixation hole C, 13, fixation hole.
Specific embodiment
It elaborates with reference to the accompanying drawing to the embodiments of the present invention, the present embodiment is with the utility model technical side
Premised on case, the detailed implementation method and specific operation process are given, but the protection scope of the utility model is not limited to down
The embodiment stated.
For teaching three-view diagram technique of painting entity show device, as shown in Figure 1, include pedestal 1, surface light source component 2 and at
As object 3, the first background board 4 and the second background board 5, and 5 phase of the first background board 4 and the second background board are vertically connected on pedestal 1
It is mutually vertically arranged, surface light source component 2 is connected on pedestal 1 or the second background board 5 by first support bar 8, the area source
Component 2 includes rectangular box, convex lens 6, the point light source 7 for being fixed on 6 focal point of convex lens and is the power supply of point light source 7 for Denso
It sets, preferably, the power supply unit is battery or external power supply, the point light source 7 is LED light source or light bulb.
The imaging object 3 is fixed at the center of pedestal 1 by second support bar 9, and imaging object 3 includes using in pairs
Opaque model A and opaque Model B, opaque model A and opaque Model B be shape size it is identical two it is irregular
The outline projection of geometrical body, opaque model A and opaque Model B in the area source range of exposures of surface light source component 2,
In, in opaque Model B, one group or multiple groups and the one-to-one loophole in target view direction are opened up, every group of loophole is
Several, when opening up one group of loophole, radiation direction of the loophole from score along target view extends and penetrates through into
As object, when opening up multiple groups loophole, which is intersected on score, and is regarded using score as initial position along target
The radiation direction of figure extends and penetrates through imaging object.Opaque model A is placed under the irradiation of surface light source component 2, for showing imaging
The profile of object explains the concept of projection to student with this.Opaque Model B is placed under the irradiation of surface light source component 2, and light is saturating
Crossing loophole makes projection memory in several hot spots, several hot spots come to explain three-view diagram to student with this for indicating dotted line
The expression content of middle dotted line forms the spatial imagination that two-dimentional drawing and three-dimension object are mutually converted convenient for student.
As a preferred embodiment, as shown in Figures 2 and 3, opaque model A301 and opaque Model B 302 are two
The irregular geometrical body of recessed portion is offered between a face, the recessed portion includes the first side and second side of intersection,
Wherein, in opaque Model B 302, two groups and the one-to-one loophole 10 in target view direction, every group of loophole 10 are opened up
For several, which is intersected on score, and the radiation direction using score as initial position along target view prolongs
It stretches and penetrates through imaging object 3.The object form of similar " L " type is chosen in the utility model, but the utility model is protected not
Regular geometric body is not limited only to the shape, can also make other complex models as imaging object according to teaching needs.It is described
Imaging object 3 is used as teaching mode, is matched with a content of courses, irregular geometrical body, uses in pairs, modeling
The materials such as material, timber, but opaque and imaging object 3 length is answered to be no more than the height of convex lens.
Further, first background board 4 and the second background board 5 are hinged on pedestal 1, can be with after teaching
First background board 4 and the second background board 5 are folded, occupied space is reduced, teacher is facilitated to carry.Further, pedestal 1, first
Background board 4 and the second background board 5 are square plate, and the first background board 4 and the second background board 5 are light-colored board, and square plate is
The materials such as plastics, timber, but the pure color that surface should select lightness high.It is offered at the center of pedestal 1 and second support bar 9
The face light matched with first support bar 8 is offered on the imaging object fixation hole 11 matched, pedestal 1 and the second background board 5
Source component fixation hole 12.There are three the surface light source component fixation holes 12, respectively surface light source component fixation hole A1201, face light
Source component fixation hole B1202 and surface light source component fixation hole C1203, surface light source component fixation hole 12 are three of surface light source component
Optional position respectively represents main view, left view and top view in three-view diagram.In use, imaging object 3 is fixed, transformation
Light source position forms projection.
Further, 3 at least three face of imaging object offers the fixation hole 13 matched with second support bar 9,
Convenient for changing location.
Further, the first support bar 8 and second support bar 9 are rod-shaped objects, and material is consistent with imaging object, point
It is not matched with surface light source component 2 and imaging object 3, first support bar 8 and second support bar 9 are inserted into surface light source component respectively
2, it in imaging object 3 or surface light source component fixation hole 12, imaging object fixation hole 11 or fixation hole 13 on pedestal 1, plays solid
Determine the effect of light source assembly 2 and imaging object 3.After fixation, imaging object 3 should be able to be completely in the range of exposures of light source, and
It can be projected on background board.
The entity methods of exhibiting of device is shown using the three-view diagram technique of painting entity described in the utility model for teaching, including
Following steps:
Step (1), selected imaging object, and at least one score is determined on imaging object, score is in imaging object
Be shown as dotted line in one or more direction view of body, this or multiple directions view, as in teaching for opening up
The target view shown；To explain dotted line in three-view diagram to student with this and indicate content, convenient for student forms two-dimentional drawing and three
The spatial imagination that dimension object is mutually converted；
Step (2) opens up one group or the one-to-one loophole of multiple groups and target view direction on imaging object, often
Group loophole is several, and when opening up one group of loophole, which prolongs from score along the radiation direction of target view
Imaging object is stretched and penetrates through, when opening up multiple groups loophole, which is intersected on score, and using score as start bit
The radiation direction along target view is set to extend and penetrate through imaging object；Light makes projection memory in several light through loophole
Spot, several hot spots are for indicating dotted line；
Step (3) obtains six-way view using surface light source component irradiation imaging object, and in target view, light is passed through
Loophole makes that dotted line is presented in target view.
The entity shows the application method of device, includes the following steps:
Step 1: pedestal 1, the first background board 4 and the second background board 5 are put on dais；
Step 2: opaque model A301 is fixed in imaging object fixation hole 11 by second support bar 9；
Step 3: surface light source component 2 is successively fixed on surface light source component fixation hole A1201, face by first support bar 8
It in light source assembly fixation hole B1202 and surface light source component fixation hole C1203, and turns on the switch, the opaque model of observation of students
Main view, left view and the top view that A301 is projected on the first background board 4, the second background board 5 and pedestal 1；
Step 4: removing opaque model A301, opaque Model B 302 is fixed on imaging object by second support bar 9
In body fixation hole 11, and by the position of transformation surface light source component 2, the opaque Model B 302 of observation of students is in the first background board 4
With main view, left view and the top view projected on the second background board 5, and compare through the opaque model A of imaging object and not
The difference that see-through model B is projected on the first background board 4 and the second background board 5.
Embodiment one
As shown in figure 4, surface light source component 2 is separately fixed at surface light source component fixation hole A1201 by first support bar 8
In surface light source component fixation hole B1202.Opaque model A301 is selected as imaging object, the imaging object 3 passes through the
Two support rods 9 are fixed at the center of pedestal 1, and Fig. 4 is the schematic diagram shown at this time.
Embodiment two
As shown in figure 5, surface light source component 2 is separately fixed at surface light source component fixation hole A1201 by first support bar 8
In surface light source component fixation hole B1202.Opaque Model B 302 is selected as imaging object, the imaging object 3 passes through the
Two support rods 9 are fixed at the center of pedestal 1, and Fig. 5 is the schematic diagram shown at this time.
Embodiment three
As shown in fig. 6, surface light source component 2 is fixed in surface light source component fixation hole C1203 by first support bar 8.
Opaque Model B 302 is selected as imaging object, the imaging object 3 is fixed on the center of pedestal 1 by second support bar 9
Place, Fig. 6 is the schematic diagram shown at this time.
Example IV
The entity that the utility model provides the three-view diagram technique of painting for teaching shows that device, the entity are shown in device,
Opaque model includes a cuboid, and cuboid tool offers recessed portion between two of them face there are six face, described
Recessed portion includes the first side and second side of intersection, wherein in opaque Model B 302, first side and second side
Between intersecting lens side uniformly open up multiple groups and the one-to-one loophole 10 of target view, every group of loophole 10 is several
A, loophole 10 penetrates through imaging object 3, and the extending direction of loophole 10 is parallel with the direction of visual lines of target view；At this point,
The side of score opens up multiple groups and the one-to-one loophole of target view.
As shown in fig. 7, determining that a score, score are being imaged on imaging object when imaging object is triangular prism
It is shown as dotted line in one view of object, opens up one group with the one-to-one loophole of target view i.e. in the side of score
It can.
In the utility model others embodiment, it is contemplated that same crest line is opposite in both direction in imaging object
View in corresponding lines be different, such as in left view be dotted line, then in right view be solid line, in order to sufficiently open up
This characteristic is shown, every group of loophole can be set to one, loophole penetrates through imaging object, and the extending direction of loophole
It is parallel with the direction of visual lines of target view.The upper surface of through-hole is magnet, and one and the matched rectangle iron of through-hole is in addition arranged
Piece uniformly opens up an exhausting hole on rectangle iron plate along its length.When in use, when showing the lines being blocked, by band
There is the rectangle iron plate of through-hole to be adsorbed on one end of loophole by magnet, light makes to throw through the through-hole on rectangle iron plate
There is several hot spots in shadow, several hot spots carry out indicating for into student's explanation three-view diagram dotted line for indicating dotted line, with this
Content；When showing other solid lines outside three-view diagram contour line, then the rectangle iron plate with through-hole is removed, at this point, light
Through loophole, the color of former background board is shown in shade, to indicate solid line.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. the three-view diagram technique of painting entity for teaching shows device, including pedestal (1), surface light source component (2) and imaging object
(3), the first background board (4) and the second background board (5), and the first background board (4) and the second background board are vertically connected on pedestal (1)
(5) it is arranged in a mutually vertical manner, it is characterised in that: surface light source component (2) is connected to pedestal (1) or the by first support bar (8)
On two background boards (5), imaging object (3) is fixed at the center of pedestal (1) by second support bar (9), imaging object (3) packet
The opaque model A used in pairs and opaque Model B are included, opaque model A and opaque Model B are that shape size is identical
Area source of the outline projection of two irregular geometrical bodies, opaque model A and opaque Model B in surface light source component (2)
In range of exposures, wherein in opaque Model B, one group or multiple groups and the one-to-one loophole in target view direction are opened up,
Every group of loophole is several, and when opening up one group of loophole, the loophole is from score along the radiation direction of target view
Extend and penetrate through imaging object, when opening up multiple groups loophole, which is intersected on score, and is starting with score
Position extends along the radiation direction of target view and penetrates through imaging object.
2. the three-view diagram technique of painting entity as described in claim 1 for teaching shows device, it is characterised in that: the area source
Component (2) includes rectangular box, convex lens (6), the point light source (7) for being fixed on convex lens (6) focal point and supplies for point light source (7)
The power supply unit of electricity.
3. the three-view diagram technique of painting entity as claimed in claim 2 for teaching shows device, it is characterised in that: described for Denso
It is set to battery or external power supply.
4. the three-view diagram technique of painting entity as claimed in claim 2 for teaching shows device, it is characterised in that: the point light source
It (7) is LED light source or light bulb.
5. the three-view diagram technique of painting entity as described in claim 1 for teaching shows device, it is characterised in that: pedestal (1)
The imaging object fixation hole (11) matched with second support bar (9), pedestal (1) and the second background board (5) are offered at center
On offer the surface light source component fixation hole (12) matched with first support bar (8).
6. the three-view diagram technique of painting entity as claimed in claim 5 for teaching shows device, it is characterised in that: the area source
There are three component fixation holes (12), respectively surface light source component fixation hole A(1201), surface light source component fixation hole B(1202) and
Surface light source component fixation hole C(1203).
7. the three-view diagram technique of painting entity as described in claim 1 for teaching shows device, it is characterised in that: first back
Scape plate (4) and the second background board (5) are hinged on pedestal (1).
8. the three-view diagram technique of painting entity for teaching as claimed in claim 2 shows device, it is characterised in that: pedestal (1), the
One background board (4) and the second background board (5) are square plate, and the first background board (4) and the second background board (5) are light color
Plate.
9. the three-view diagram technique of painting entity as described in claim 1 for teaching shows device, it is characterised in that: the imaging object
(3) at least three face of body offers the fixation hole (13) matched with second support bar (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820092726.6U CN208433155U (en) | 2018-01-19 | 2018-01-19 | Three-view diagram technique of painting entity for teaching shows device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820092726.6U CN208433155U (en) | 2018-01-19 | 2018-01-19 | Three-view diagram technique of painting entity for teaching shows device |
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| Publication Number | Publication Date |
|---|---|
| CN208433155U true CN208433155U (en) | 2019-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820092726.6U Expired - Fee Related CN208433155U (en) | 2018-01-19 | 2018-01-19 | Three-view diagram technique of painting entity for teaching shows device |
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| Country | Link |
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| CN (1) | CN208433155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010428A (en) * | 2018-01-19 | 2018-05-08 | 河南科技大学 | Entity methods of exhibiting and entity for the three-view diagram technique of painting of teaching show device |
-
2018
- 2018-01-19 CN CN201820092726.6U patent/CN208433155U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010428A (en) * | 2018-01-19 | 2018-05-08 | 河南科技大学 | Entity methods of exhibiting and entity for the three-view diagram technique of painting of teaching show device |
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