CN209879908U - University's mathematics curved surface teaching aid - Google Patents
University's mathematics curved surface teaching aid Download PDFInfo
- Publication number
- CN209879908U CN209879908U CN201920270863.9U CN201920270863U CN209879908U CN 209879908 U CN209879908 U CN 209879908U CN 201920270863 U CN201920270863 U CN 201920270863U CN 209879908 U CN209879908 U CN 209879908U
- Authority
- CN
- China
- Prior art keywords
- curved surface
- mounting plate
- groove
- teaching aid
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a university mathematics curved surface teaching aid, which comprises a box body, the top of the box body is movably connected with a cover plate through a hinge, the interior of the box body is dug with a groove, the right side of the groove is provided with a mounting plate, the middle part of the mounting plate is provided with a first connecting hole, the periphery of the first connecting hole is symmetrically provided with a second connecting hole, and the second connecting hole is positioned at four corners of the mounting plate, the right side of the mounting plate is symmetrically dug with a placing port, the interior of the placing port is movably connected with a connecting rod, the bottom of the connecting rod is fixedly connected with a threaded rod, the connecting rod is respectively in threaded connection with the first connecting hole and the second connecting hole through the threaded rod, a rotating shaft is connected between the inner walls of the groove, a supporting rod is sleeved and fixed, the visual observation structure of the student is convenient, and the explanation of the teacher can be facilitated.
Description
Technical Field
The utility model relates to a university's mathematics curved surface teaching aid belongs to teaching aid technical field.
Background
The curved surface is a moving line, and under a given condition, the moving line (straight line or curve) generating a curve in a space continuous motion track is called as a bus; the generating line of arbitrary position is called the plain line on the curved surface, the line of control bus motion, the face is called the wire respectively, and lead the face, in the teaching of curved surface, the teacher can draw a straight line and a curved surface respectively as rotation axis and generating line and explain on the blackboard when explaining the formation process of curved surface, such explanation is not vivid, it is also not directly perceived for the student hardly masters the explanation of curved surface at the in-process of studying, for this, provide a university's mathematics curved surface teaching aid.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem who solves overcomes current defect, provides a university's mathematics curved surface teaching aid, can effectively solve the problem in the background art.
In order to solve the technical problem, the utility model provides a following technical scheme:
a university mathematics curved surface teaching aid comprises a box body, wherein the top of the box body is movably connected with a cover plate through a hinge, a groove is dug in the box body, a mounting plate is arranged on the right side of the groove, a first connecting hole is formed in the middle of the mounting plate, second connecting holes are symmetrically formed in the periphery of the first connecting hole, the second connecting holes are located at four corners of the mounting plate, a placing port is symmetrically dug in the right side of the mounting plate, a connecting rod is movably connected in the placing port, a threaded rod is fixedly connected to the bottom of the connecting rod, the connecting rod is respectively in threaded connection with the first connecting hole and the second connecting hole through the threaded rod, a rotating shaft is connected between the inner walls of the grooves, a supporting rod is fixedly sleeved on the rotating shaft, spiral clamping grooves are dug in the connecting rod, clamping strips, and the top of the supporting layer is provided with a connecting belt.
Furthermore, the upper surface of the supporting layer is provided with a magic tape, and the supporting layer is movably connected with the connecting belt through the magic tape.
Further, a clamping groove is formed in the inner side of the supporting rod, and the supporting rod is fixedly connected with a coordinate plate through the clamping groove in a clamping mode.
Further, a connecting ring is arranged at the top of the outer side of the connecting rod and located between the spiral clamping grooves.
Further, a handle is fixedly connected to the front side of the box body.
Further, the mounting panel inlays and locates the box body top, just mounting panel top and recess apical foramen parallel and level.
The utility model discloses beneficial effect: the utility model relates to a university mathematics curved surface teaching aid, through setting up the recess, can go up and down the bracing piece in the recess through the pivot, when teaching, can expand the bracing piece, then the card inslot of coordinate board joint on the bracing piece, thereby teaching explanation is carried out to the coordinate that the dotted line of curved surface corresponds, the quality of teaching is improved, through setting up first connecting hole, can fix the connecting rod inside first connecting hole through the threaded rod, can place the connecting rod in placing the mouth when not using, conveniently dismantle, through setting up the second connecting hole, can fix a plurality of connecting rods in the second connecting hole through the threaded rod respectively, then be connected with four corners of connecting band through the go-between, thereby carry out the teaching of the explanation of diversified curved surface structure, further improve teaching quality and richen the content of teaching, through setting up the connecting rod, paste the connecting band through the magic and fix in buckle strip one side, then fix buckle strip joint inside the screw thread draw-in groove on the connecting rod to form a three-dimensional curved pattern, make things convenient for the audio-visual observation structure of student, can also be convenient for teacher's personnel's explanation.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Figure 1 is the utility model relates to a university's mathematics curved surface teaching aid outward appearance structure sketch map.
Figure 2 is the utility model discloses a box body top view of university's mathematics curved surface teaching aid.
Figure 3 is the utility model relates to a university's mathematics curved surface teaching aid connecting rod outward appearance structure sketch map.
Figure 4 is the utility model discloses a buckle strip section structure schematic diagram of university's mathematics curved surface teaching aid.
Figure 5 is the utility model discloses a connecting rod top view of university's mathematics curved surface teaching aid.
Reference numbers in the figures: 1. a box body; 2. a cover plate; 3. a groove; 4. mounting a plate; 5. a first connection hole; 6. a second connection hole; 7. a placement port; 8. a connecting rod; 9. a threaded rod; 10. a rotating shaft; 11. a support bar; 12. a spiral neck; 13. a snap strip; 14. a support layer; 15. a connecting belt; 16. magic tape; 17. a clamping groove; 18. a coordinate plate; 19. and (7) connecting rings.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1-5, a university mathematics curved surface teaching aid comprises a box body 1, the top of the box body 1 is movably connected with a cover plate 2 through a hinge, a groove 3 is dug in the box body 1, a support rod 11 can be lifted in the groove 3 through a rotating shaft 10 by arranging the groove 3, the support rod 11 can be unfolded when teaching is carried out, then a coordinate plate 18 is clamped in a clamping groove 17 on the support rod 11, so as to teach and explain coordinates corresponding to a point line of a curved surface, the teaching quality is improved, a mounting plate 4 is arranged at the right side of the groove 3, a first connecting hole 5 is arranged in the middle of the mounting plate 4, a connecting rod 8 can be fixed in the first connecting hole 5 through a threaded rod 9 by arranging the first connecting hole 5, the connecting rod 8 can be placed in a placing hole 7 when not in use, so that the disassembly is convenient, a second connecting hole 6 is symmetrically arranged at the periphery of the first connecting hole, through the arrangement of the second connecting holes 6, a plurality of connecting rods 8 can be respectively fixed in the second connecting holes 6 through threaded rods 9 and then are connected with four corners of a connecting band 15 through connecting rings 19, so that diversified explanation teaching of a curved surface structure is carried out, the teaching quality is further improved, the teaching content is enriched, moreover, the second connecting holes 6 are positioned at the four corners of a mounting plate 4, a placing opening 7 is symmetrically dug at the right side of the mounting plate 4, the connecting rod 8 is movably connected inside the placing opening 7, the connecting band 15 is fixed on one side of a buckle strip 13 through a magic tape 16 by arranging the connecting rod 8, then the buckle strip 13 is clamped and fixed inside a threaded clamping groove 12 on the connecting rod 8, so that a three-dimensional curved graph is formed, the visual observation structure of students is convenient, the explanation of teachers can also be facilitated, and the threaded rods 9 are fixedly connected at the, connecting rod 8 respectively with first connecting hole 5, 6 threaded connection of second connecting hole through threaded rod 9, be connected with pivot 10 between the 3 inner walls of recess, it is fixed with bracing piece 11 to cup joint in the pivot 10, all dig on connecting rod 8 and be equipped with helical groove 12, connecting rod 8 has buckle strip 13 through 12 activity joint of helical groove, buckle strip 13 right side fixedly connected with supporting layer 14, 14 tops of supporting layer are equipped with connecting band 15.
More specifically, 14 upper surfaces of supporting layers are equipped with magic tape 16, the supporting layers 14 pass through magic tape 16 and 15 swing joint of connecting band, 11 inboards of bracing piece are equipped with the card and fix groove 17, bracing piece 11 is connected with coordinate board 18 through the card of card and fix groove 17 card, 8 outside tops of connecting rod are equipped with go-between 19, go-between 19 is located between spiral clamping groove 12, 1 front side fixedly connected with handle of box body, 1 top at the box body is inlayed and locates to mounting panel 4, just 4 tops of mounting panel and 3 apical forai parallel and level of recess.
The utility model discloses when using, fix connecting rod 8 inside first connecting hole 5 through threaded rod 9, can place connecting rod 8 when not using in placing mouthful 7, paste 16 with connecting band 15 through the magic and fix in buckle strip 13 one side, then fix buckle strip 13 joint inside screw thread draw-in groove 12 on connecting rod 8, thereby form a three-dimensional curved pattern picture, take out the inside connecting rod 8 of first connecting hole 5, fix a plurality of connecting rod 8 in second connecting hole 6 through threaded rod 9 respectively, then be connected with 15 corners of connecting band through go-between 19, the teaching of explaining of diversified curved surface structure carries out.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (6)
1. The university mathematics curved surface teaching aid comprises a box body (1) and is characterized in that the top of the box body (1) is connected with a cover plate (2) through a hinge in a movable manner, a groove (3) is dug in the box body (1), a mounting plate (4) is arranged on the right side of the groove (3), a first connecting hole (5) is arranged in the middle of the mounting plate (4), second connecting holes (6) are symmetrically arranged on the periphery of the first connecting hole (5), the second connecting holes (6) are positioned at four corners of the mounting plate (4), a placing opening (7) is dug in the right side of the mounting plate (4) in a symmetrical manner, a connecting rod (8) is movably connected in the inner part of the placing opening (7), a threaded rod (9) is fixedly connected at the bottom of the connecting rod (8), and the connecting rod (8) is respectively in threaded connection with the first, be connected with pivot (10) between recess (3) inner wall, cup joint in pivot (10) and be fixed with bracing piece (11), all dig on connecting rod (8) and be equipped with helical groove (12), connecting rod (8) have buckle strip (13) through helical groove (12) activity joint, buckle strip (13) right side fixedly connected with supporting layer (14), supporting layer (14) top is equipped with connecting band (15).
2. A university mathematics curved surface teaching aid as claimed in claim 1, wherein: the upper surface of the supporting layer (14) is provided with a magic tape (16), and the supporting layer (14) is movably connected with the connecting belt (15) through the magic tape (16).
3. A university mathematics curved surface teaching aid as claimed in claim 1, wherein: the inner side of the support rod (11) is provided with a clamping groove (17), and the support rod (11) is fixedly connected with a coordinate plate (18) through the clamping groove (17).
4. A university mathematics curved surface teaching aid as claimed in claim 1, wherein: the top of the outer side of the connecting rod (8) is provided with a connecting ring (19), and the connecting ring (19) is positioned between the spiral clamping grooves (12).
5. A university mathematics curved surface teaching aid as claimed in claim 1, wherein: the front side of the box body (1) is fixedly connected with a handle.
6. A university mathematics curved surface teaching aid as claimed in claim 1, wherein: the mounting plate (4) is embedded at the top of the box body (1), and the top of the mounting plate (4) is flush with the top opening of the groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920270863.9U CN209879908U (en) | 2019-03-04 | 2019-03-04 | University's mathematics curved surface teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920270863.9U CN209879908U (en) | 2019-03-04 | 2019-03-04 | University's mathematics curved surface teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209879908U true CN209879908U (en) | 2019-12-31 |
Family
ID=68954031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920270863.9U Expired - Fee Related CN209879908U (en) | 2019-03-04 | 2019-03-04 | University's mathematics curved surface teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209879908U (en) |
-
2019
- 2019-03-04 CN CN201920270863.9U patent/CN209879908U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20191231 Termination date: 20210304 |