CN209895614U - Novel special demonstration of mathematics curve device - Google Patents
Novel special demonstration of mathematics curve device Download PDFInfo
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- CN209895614U CN209895614U CN201920404971.0U CN201920404971U CN209895614U CN 209895614 U CN209895614 U CN 209895614U CN 201920404971 U CN201920404971 U CN 201920404971U CN 209895614 U CN209895614 U CN 209895614U
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- transmission shaft
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- fixedly connected
- curve
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- 230000005540 biological transmission Effects 0.000 claims abstract description 62
- 230000000694 effects Effects 0.000 description 4
- 239000013598 vector Substances 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
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Abstract
The utility model discloses a novel special demonstration of mathematics curve device relates to auxiliary teaching aid technical field, this novel special demonstration of mathematics curve device, the power distribution box comprises a box body, the bottom of box is equipped with the transmission shaft, the both ends of transmission shaft all with box swing joint, the one end of transmission shaft runs through box and fixedly connected with steering wheel, the outside both ends of transmission shaft all are connected with the transmission piece, the first support frame of top fixedly connected with of transmission piece, the top of transmission shaft is equipped with the supporting seat, the equal fixedly connected with second support frame in bottom both ends of supporting seat, swing joint has the bracing piece between second support frame and the first support frame, the top swing joint of supporting seat has the curve demonstration board. This novel special presentation device of mathematics curve can fold into a case, has both made things convenient for the storage, and the transport of being convenient for again has made things convenient for the folding of curve demonstration board through setting up box and hinge, has saved occupation space, through setting up flexible pull rod and wheel, has made things convenient for the removal of device.
Description
Technical Field
The utility model relates to an auxiliary teaching aid technical field specifically is a novel special demonstration of mathematics curve device.
Background
In the teaching of mathematics classroom, when learning curve knowledge such as parabola hyperbolic curve, the teacher need draw the curve on the blackboard, come the image to specifically explain for the student, but the curve is difficult to draw, and the teacher need mark various vectors and data, need consume a lot of time, delays classroom progress, needs a kind of equipment that can make things convenient for the mathematics teacher to draw the curve fast and demonstrate in the classroom now.
The special presentation device of mathematical curve who discloses in chinese utility model patent application laid-open specification CN 206983583U, the device includes the lower column, the lower column upper end is passed through the locating pin and is connected the upper column, the lower beam is connected through the adapter sleeve to the upper column upper end, the frame is connected to the lower beam, the grid plate has in the frame, vertical retort and horizontal slot have on the grid plate, install LED lamp pearl in vertical retort and the horizontal slot, vertical shaft vector magnetism seat and horizontal shaft vector magnetism seat have still been placed on the grid plate, frame upper portion is connected with the carriage, magnetic button standing groove has on the last carriage, vector sign magnetism button has been placed in the magnetic button standing groove. Although the device simple structure, convenient to use, the device is neither convenient transport, influences the availability factor, and inconvenient depositing again occupies space, is unfavorable for using widely.
For solving the above problem, the utility model provides a novel special demonstration of mathematics curve device.
Disclosure of Invention
Technical problem to be solved
Not enough to prior art, the utility model provides a novel special demonstration of mathematics curve device has solved the inconvenient transport of current curve demonstration teaching aid and the problem of depositing.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a novel special demonstration device for mathematical curves comprises a box body, wherein a transmission shaft is arranged at the bottom of the box body, two ends of the transmission shaft are movably connected with the box body, one end of the transmission shaft penetrates through the box body and is fixedly connected with a steering wheel, two ends of the outside of the transmission shaft are connected with transmission blocks, a first support frame is fixedly connected with the top end of each transmission block, a support seat is arranged above the transmission shaft, two ends of the bottom of the support seat are fixedly connected with a second support frame, a support rod is movably connected between the second support frame and the first support frame, two support rods are arranged in a crossed manner, the middle parts of the two support rods are movably connected through a fixed shaft, a curve demonstration plate is movably connected with the top end of the support seat, external threads are arranged on the outer sides of two ends of the transmission shaft, and internal threads are, the both sides of transmission piece all are equipped with the backup pad, backup pad and box fixed connection.
Optionally, the inside of box is equipped with the teaching aid, the bottom four corners fixedly connected with rubber pad of box.
Optionally, the curve demonstration board is movably connected with the supporting seat through a hinge, and the first supporting frame and the second supporting frame are movably connected with the supporting rod through a pin shaft.
Optionally, a telescopic pull rod is fixedly connected inside the bottom end of the box body, and one end of the bottom of the box body is movably connected with a wheel.
Optionally, the transmission shaft is movably connected with the box body through a bearing.
Optionally, the transmission shaft is connected with the transmission block through threads, and the external threads at the two ends of the transmission shaft are arranged in a reverse direction.
Optionally, a limiting sliding groove is formed in the inner side of the supporting plate, a limiting sliding block is movably connected in the limiting sliding groove, and the limiting sliding block is fixedly connected with the transmission block.
(III) advantageous effects
The utility model provides a novel special demonstration of mathematics curve device possesses following beneficial effect:
(1) this novel special presentation device of mathematics curve can fold into a case, has both made things convenient for the storage, has saved occupation space, the transport of being convenient for again has alleviateed working strength, through setting up box and hinge, has made things convenient for curve demonstration board's folding, has saved occupation space, has increased the practicality of device, through setting up flexible pull rod and wheel, has made things convenient for the removal of device, and is lighter when the transport.
(2) This novel special presentation of mathematics curve device sets up through the cooperation between first support frame, second support frame, bracing piece and the fixed axle for curve demonstration board has the effect of going up and down, conveniently adjusts the height of curve demonstration board, through the cooperation setting between transmission shaft, steering wheel and the transmission piece, and labour saving and time saving more when adjusting the height of curve demonstration board has improved work efficiency.
Drawings
FIG. 1 is a schematic front view of the structure of the box body of the present invention;
FIG. 2 is a schematic sectional view of the structure of the case of the present invention;
FIG. 3 is a schematic side view of the box structure of the present invention;
FIG. 4 is a schematic side view of the transmission block and the support seat structure of the present invention;
fig. 5 is a schematic top view of the transmission block structure of the present invention.
In the figure: 1. a box body; 2. a drive shaft; 3. a steering wheel; 4. a transmission block; 5. a first support frame; 6. a supporting seat; 7. a second support frame; 8. a support bar; 9. a fixed shaft; 10. a curve demonstration board; 11. a hinge; 12. a telescopic pull rod; 13. a wheel; 14. a bearing; 15. an external thread; 16. a pin shaft; 17. a support plate; 18. a limiting chute; 19. and a limiting sliding block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-5, the present invention provides a technical solution:
a novel special demonstration device for mathematical curves comprises a box body 1, wherein the folding of a curve demonstration board 10 is facilitated by arranging the box body 1, the occupied space is saved, and the practicability of the device is improved, a transmission shaft 2 is arranged at the bottom of the box body 1, both ends of the transmission shaft 2 are movably connected with the box body 1, one end of the transmission shaft 2 penetrates through the box body 1 and is fixedly connected with a steering wheel 3, both ends of the outer part of the transmission shaft 2 are connected with transmission blocks 4, the height of the curve demonstration board 10 is adjusted by the matching arrangement of the transmission shaft 2, the steering wheel 3 and the transmission blocks 4, the time and the labor are saved, the working efficiency is improved, a first support frame 5 is fixedly connected with the top end of the transmission block 4, a support seat 6 is arranged above the transmission shaft 2, both ends of the bottom of the support seat 6 are fixedly connected with a second support frame 7, and a support rod 8, bracing piece 8 has two, two bracing pieces 8 are the cross arrangement, 9 swing joint of fixed axle are passed through at the middle part of two bracing pieces 8, through first support frame 5, second support frame 7, cooperation setting between bracing piece 8 and the fixed axle 9, make curve demonstration board 10 have the effect of lift, conveniently adjust the height of curve demonstration board 10, the top swing joint of supporting seat 6 has curve demonstration board 10, external screw thread 15 has all been seted up in the both ends outside of transmission shaft 2, the internal thread has been seted up to the inside of transmission piece 4, the both sides of transmission piece 4 all are equipped with backup pad 17, backup pad 17 and 1 fixed connection of box.
As an optional technical solution of the utility model:
the inside of box 1 is equipped with the teaching aid, and the bottom four corners fixedly connected with rubber pad of box 1 has played the cushioning effect when placing box 1 through setting up the rubber pad, avoids box 1 to be shaken badly.
As an optional technical solution of the utility model:
As an optional technical solution of the utility model:
the inside fixedly connected with telescopic pull rod 12 in bottom of box 1, the bottom one end swing joint of box 1 has wheel 13, through setting up telescopic pull rod 12 and wheel 13, has made things convenient for the removal of device, and is lighter when the transport.
As an optional technical solution of the utility model:
the transmission shaft 2 is movably connected with the box body 1 through a bearing 14.
As an optional technical solution of the utility model:
the transmission shaft 2 is in threaded connection with the transmission block 4, and external threads 15 at two ends of the transmission shaft 2 are arranged in a reverse direction.
As an optional technical solution of the utility model:
spacing spout 18 has been seted up to the inboard of backup pad 17, and swing joint has spacing slider 19 in the spacing spout 18, and spacing slider 19 and transmission block 4 fixed connection through setting up backup pad 17 and spacing slider 19, provide movable track for transmission block 4, have guaranteed the stability of device.
In conclusion, this novel special presentation device of mathematics curve, can fold into a case, both made things convenient for the storage, occupation space has been saved, the transport of being convenient for again, working strength has been alleviateed, during the removal, can pull out flexible pull rod 12, make wheel 13 land, then pulling flexible pull rod 12 removes and the transport, in use, open box 1, demonstrate board 10 rotatory 90 degrees with the curve, make curve demonstration board 10 be vertical form, then rotatory steering wheel 3, steering wheel 3 drives two transmission blocks 4 while inwards moving through transmission shaft 2, transmission block 4 drives supporting seat 6 upward movement through bracing piece 8, supporting seat 6 drives curve demonstration board 10 upward movement, then alright demonstrate the board 10 through the curve and carry out the curve demonstration.
It is noted that in the present disclosure, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a novel special demonstration of mathematics curve device, includes box (1), its characterized in that: the bottom of the box body (1) is provided with a transmission shaft (2), the two ends of the transmission shaft (2) are movably connected with the box body (1), one end of the transmission shaft (2) penetrates through the box body (1) and is fixedly connected with a steering wheel (3), the two ends of the outside of the transmission shaft (2) are connected with transmission blocks (4), the top end of each transmission block (4) is fixedly connected with a first support frame (5), a support seat (6) is arranged above the transmission shaft (2), the two ends of the bottom of the support seat (6) are fixedly connected with second support frames (7), a support rod (8) is movably connected between each second support frame (7) and the first support frame (5), the two support rods (8) are arranged in a crossed manner, and the middle parts of the two support rods (8) are movably connected through a fixed shaft (9), the top swing joint of supporting seat (6) has curve demonstration board (10), external screw thread (15) have all been seted up in the both ends outside of transmission shaft (2), the internal thread has been seted up to the inside of transmission piece (4), the both sides of transmission piece (4) all are equipped with backup pad (17), backup pad (17) and box (1) fixed connection.
2. The special demonstration device for the novel mathematical curve according to claim 1, characterized in that:
the inside of box (1) is equipped with the teaching aid, the bottom four corners fixedly connected with rubber pad of box (1).
3. The special demonstration device for the novel mathematical curve according to claim 1, characterized in that:
the curve demonstration board (10) is movably connected with the supporting seat (6) through a hinge (11), and the first supporting frame (5) and the second supporting frame (7) are movably connected with the supporting rod (8) through a pin shaft (16).
4. The special demonstration device for the novel mathematical curve according to claim 1, characterized in that:
the inside fixedly connected with flexible pull rod (12) in bottom of box (1), the bottom one end swing joint of box (1) has wheel (13).
5. The special demonstration device for the novel mathematical curve according to claim 1, characterized in that:
the transmission shaft (2) is movably connected with the box body (1) through a bearing (14).
6. The special demonstration device for the novel mathematical curve according to claim 1, characterized in that:
the transmission shaft (2) is in threaded connection with the transmission block (4), and the external threads (15) at the two ends of the transmission shaft (2) are arranged in a reverse direction.
7. The special demonstration device for the novel mathematical curve according to claim 1, characterized in that:
the inner side of the supporting plate (17) is provided with a limiting sliding groove (18), a limiting sliding block (19) is movably connected in the limiting sliding groove (18), and the limiting sliding block (19) is fixedly connected with the transmission block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920404971.0U CN209895614U (en) | 2019-03-28 | 2019-03-28 | Novel special demonstration of mathematics curve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920404971.0U CN209895614U (en) | 2019-03-28 | 2019-03-28 | Novel special demonstration of mathematics curve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209895614U true CN209895614U (en) | 2020-01-03 |
Family
ID=68998083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920404971.0U Expired - Fee Related CN209895614U (en) | 2019-03-28 | 2019-03-28 | Novel special demonstration of mathematics curve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209895614U (en) |
-
2019
- 2019-03-28 CN CN201920404971.0U patent/CN209895614U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200805 Address after: 100083 Haidian District, Xueyuan Road, No. 29, Patentee after: China University of Geosciences (Beijing) Address before: 100083 School of mathematics and physics, China University of Geosciences, No.29, Xueyuan Road, Haidian District, Beijing Patentee before: Zhang Yu |
|
| 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: 20200103 Termination date: 20210328 |