CN205068915U - Mathematics projection education presentation device - Google Patents
Mathematics projection education presentation device Download PDFInfo
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- CN205068915U CN205068915U CN201520872206.3U CN201520872206U CN205068915U CN 205068915 U CN205068915 U CN 205068915U CN 201520872206 U CN201520872206 U CN 201520872206U CN 205068915 U CN205068915 U CN 205068915U
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- projection
- opening
- chute
- shaped plate
- light
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- 230000008676 import Effects 0.000 claims abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 3
- NBGBEUITCPENLJ-UHFFFAOYSA-N Bunazosin hydrochloride Chemical compound Cl.C1CN(C(=O)CCC)CCCN1C1=NC(N)=C(C=C(OC)C(OC)=C2)C2=N1 NBGBEUITCPENLJ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
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- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Projection Apparatus (AREA)
Abstract
The utility model discloses a mathematics projection education presentation device, the on -line screen storage device comprises a base, the upper end of base is equipped with first fixing base, the upper end of first fixing base is equipped with the support column, the upper end of support column is equipped with the projection board, the upper end of base still is equipped with A -frame, a -frame's upper end is equipped with the second fixing base, first open -ended opposite side is equipped with the projection thing and places the case, the both sides of second arc spout all are equipped with the baffle, the bottom of light source case is equipped with the spout, and the exit linkage of the import of spout and arc spout, the inside equidistance of spout is equipped with is no less than a gyro wheel, the upper end of gyro wheel is equipped with the L shaped plate, the position and the first open -ended position of L shaped plate correspond. The utility model discloses can display the problem among the projection education visual in imagely, help the student to understand the projection phenomenon, make the student be in the same place projection and daily life contact easily, solve the projection problem among the daily life.
Description
Technical field
The utility model relates to teaching equipment technical field, particularly relates to a kind of mathematical projection teaching demonstration device.
Background technology
The chapters and sections sometimes having projection in normal mathematical education process occur, teacher generally explains by the mode of writing on the blackboard or oral account the mathematical problem projected in chapters and sections, by such teaching may not only teacher can not abundant interpretation problems, and student can not be very visual in image understanding projection in problem, so just have impact on teaching efficiency greatly, and can be caused serious injury the health of teacher by long writing on the blackboard or oral account, losing more than gain so very, be badly in need of wanting a kind of projection teaching apparatus for demonstrating to help teacher to impart knowledge to students.
Utility model content
The purpose of this utility model is to solve the shortcoming existed in prior art, and a kind of mathematical projection teaching demonstration device proposed.
To achieve these goals, the utility model have employed following technical scheme:
A kind of mathematical projection teaching demonstration device, comprise base, the upper end of described base is provided with the first holder, the upper end of described first holder is provided with support column, the upper end of described support column is provided with projection plate, the upper end of described base is also provided with A-frame, the upper end of described A-frame is provided with the second holder, the upper end of described second holder is provided with light-source box, the side of described light-source box is provided with the first opening, and the position of the position of the first opening and projection plate is just right, described light-source box is provided with projection lamp away from the side inwall of the first opening, the side of described first opening is provided with the second opening, the opposite side of described first opening is provided with projection thing placing box, described projection thing placing box is hinged with chamber door away from the side of light-source box, described chamber door is provided with the 3rd opening, arc chute is provided with in described projection thing placing box, and the position of the position of arc chute and the 3rd opening is corresponding, the both sides of described second arc chute are equipped with baffle plate, the bottom of described light-source box is provided with chute, and the import of chute is connected with the outlet of arc chute, equidistant being provided with in the inside of described chute is no less than a roller, the upper end of described roller is provided with L shaped plate, the position of described L shaped plate and the position correspondence of the first opening.
Preferably, described L shaped plate is provided with the second chute, and described second chute is ramp structure, and the height of the second chute near one end of projection thing placing box is greater than the height of the other end.
Preferably, the inside of described second chute is provided with block, and projection thing is fixed in L shaped plate by block.
Preferably, the position of described second opening and the 3rd opening is corresponding.
Preferably, the junction of described light-source box and projection thing placing box is provided with opening, and projection thing slides into chute from arc chute by opening.
Preferably, the side that described L shaped plate is vertically held is provided with handle.
By being arranged on the arc chute in projection thing placing box in the utility model, can projection thing be slided in chute, then fixed by block, by projection lamp, projection thing is projected on projection plate again, the problem in projection teaching can be represented visual in imagely, contribute to student and understand projection phenomenon, student is easily linked together projection and daily life, solves the On The Projection in daily life.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of mathematical projection teaching demonstration device that the utility model proposes;
Fig. 2 is the light-source box schematic diagram of a kind of mathematical projection teaching demonstration device that the utility model proposes;
Fig. 3 is the projection thing placing box side view of a kind of mathematical projection teaching demonstration device that the utility model proposes.
In figure: 1 base, 2 first holders, 3 support columns, 4 projection plates, 5 second openings, 6 projection thing placing boxes, 7 light-source box, 8 projection lamps, 9 second holders, 10 A-frames, 11 baffle plates, 12 arc chutes, 13L andante, 14 rollers, 15 chutes, 16 chamber doors, 17 the 3rd openings.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.
With reference to Fig. 1-3, a kind of mathematical projection teaching demonstration device, comprise base 1, the upper end of base 1 is provided with the first holder 2, the upper end of the first holder 2 is provided with support column 3, the upper end of support column 3 is provided with projection plate 4, can make the image projecting of projection thing on projection plate 4, the upper end of base 1 is also provided with A-frame 10, the upper end of A-frame 10 is provided with the second holder 9, the upper end of the second holder 9 is provided with light-source box 7, the side of light-source box 7 is provided with the first opening, and the position of the position of the first opening and projection plate 4 is just right, light-source box 7 is provided with projection lamp 8 away from the side inwall of the first opening, the side of the first opening is provided with the second opening 5, the opposite side of the first opening is provided with projection thing placing box 6, and the junction of light-source box 7 and projection thing placing box 6 is provided with opening, projection thing is made to slide into chute 15 by opening from arc chute 12, projection thing placing box 6 is hinged with chamber door 16 away from the side of light-source box 7, chamber door 16 is provided with the 3rd opening 17, and the position of the second opening 5 and the 3rd opening 17 is corresponding, arc chute 12 is provided with in projection thing placing box 6, and the position of the position of arc chute 12 and the 3rd opening 17 is corresponding, the both sides of the second arc chute 12 are equipped with baffle plate 11, the bottom of light-source box 7 is provided with chute 15, and the import of chute 15 is connected with the outlet of arc chute 12, equidistant being provided with in the inside of chute 15 is no less than 12 rollers 14, the upper end of roller 14 is provided with L shaped plate 13, L shaped plate 13 is provided with the second chute, second chute is ramp structure, the height of the second chute near one end of projection thing placing box 6 is greater than the height of the other end, the inside of the second chute is provided with block 11, projection thing is fixed in L shaped plate 13 by block 11, L shaped plate 13 is the position of end and the position correspondence of the first opening 5 vertically, and the side that L shaped plate 13 is vertically held is provided with handle, L shaped plate can be extracted out a part in light-source box 7, take out projection thing.
When needs project time, projection thing is put into projection thing placing box 6 from the 3rd opening 17 projection thing placing box 6, then enter in the chute 5 be arranged in light-source box 7 through arc chute 12, chute 5 is provided with L shaped plate 13, the block 11 that projection thing is arranged in L shaped plate 13 blocks, say that image projecting is on projection plate 4 by projection lamp 8, in time terminating projection, pull handle, L shaped plate 13 is taken out a part in light-source box 7, then take out projection thing, cover the whole step just completing projection.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection domain of the present utility model.
Claims (6)
1. a mathematical projection teaching demonstration device, comprise base (1), it is characterized in that: the upper end of described base (1) is provided with the first holder (2), the upper end of described first holder (2) is provided with support column (3), the upper end of described support column (3) is provided with projection plate (4), the upper end of described base (1) is also provided with A-frame (10), the upper end of described A-frame (10) is provided with the second holder (9), the upper end of described second holder (9) is provided with light-source box (7), the side of described light-source box (7) is provided with the first opening, and the position of the position of the first opening and projection plate (4) is just right, described light-source box (7) is provided with projection lamp (8) away from the side inwall of the first opening, the side of described first opening is provided with the second opening (5), the opposite side of described first opening is provided with projection thing placing box (6), described projection thing placing box (6) is hinged with chamber door (16) away from the side of light-source box (7), described chamber door (16) is provided with the 3rd opening (17), arc chute (12) is provided with in described projection thing placing box (6), and the position of the position of arc chute (12) and the 3rd opening (17) is corresponding, the both sides of described second arc chute (12) are equipped with baffle plate (11), the bottom of described light-source box (7) is provided with chute (15), and the import of chute (15) is connected with the outlet of arc chute (12), equidistant being provided with in the inside of described chute (15) is no less than 12 rollers (14), the upper end of described roller (14) is provided with L shaped plate (13), described L shaped plate (13) is the position of end and the position correspondence of the first opening (5) vertically.
2. a kind of mathematical projection teaching demonstration device according to claim 1, it is characterized in that: described L shaped plate (13) is provided with the second chute, described second chute is ramp structure, and the height of the second chute near one end of projection thing placing box (6) is greater than the height of the other end.
3. a kind of mathematical projection teaching demonstration device according to claim 2, is characterized in that: the inside of described second chute is provided with block (11), and projection thing is fixed in L shaped plate (13) by block (11).
4. a kind of mathematical projection teaching demonstration device according to claim 1, is characterized in that: the position of described second opening (5) and the 3rd opening (17) is corresponding.
5. a kind of mathematical projection teaching demonstration device according to claim 1, is characterized in that: the junction of described light-source box (7) and projection thing placing box (6) is provided with opening, and projection thing slides into chute (15) from arc chute (12) by opening.
6. a kind of mathematical projection teaching demonstration device according to claim 1, is characterized in that: the side that described L shaped plate (13) is vertically held is provided with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872206.3U CN205068915U (en) | 2015-11-05 | 2015-11-05 | Mathematics projection education presentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872206.3U CN205068915U (en) | 2015-11-05 | 2015-11-05 | Mathematics projection education presentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205068915U true CN205068915U (en) | 2016-03-02 |
Family
ID=55395439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520872206.3U Expired - Fee Related CN205068915U (en) | 2015-11-05 | 2015-11-05 | Mathematics projection education presentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205068915U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448282A (en) * | 2016-11-22 | 2017-02-22 | 刘佳 | Teaching tool for mathematical demonstration |
-
2015
- 2015-11-05 CN CN201520872206.3U patent/CN205068915U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448282A (en) * | 2016-11-22 | 2017-02-22 | 刘佳 | Teaching tool for mathematical demonstration |
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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: 20160302 Termination date: 20161105 |