CN204390555U - A kind of mathematical teaching aid - Google Patents
A kind of mathematical teaching aid Download PDFInfo
- Publication number
- CN204390555U CN204390555U CN201520016497.6U CN201520016497U CN204390555U CN 204390555 U CN204390555 U CN 204390555U CN 201520016497 U CN201520016497 U CN 201520016497U CN 204390555 U CN204390555 U CN 204390555U
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- Prior art keywords
- groove
- desktop
- teaching aid
- cabinet
- cylinder
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Abstract
The utility model discloses a kind of mathematical teaching aid, comprise base, cabinet and desktop, be provided with telescopic support bar above described base, support bar comprises support arm, T-shaped inner support, inner support inserts in support arm through the upside of support arm, and support arm symmetria bilateralis is provided with spring; Described spring one end is connected with inner support, and the other end is connected with height drive plate; Be provided with roller below described base, described cabinet is positioned at above support bar, is provided with some difform article putting grooves in cabinet, and article putting groove comprises straight flute, set square groove, compasses groove and graphometer groove; Mathematical teaching aid is transferred to suitable height and position by height adjustment control by the utility model, in article putting groove, mapping, the demonstration equipment of use is wanted in taking-up, by height adjustment control, is reduced by support bar, reduce and of the present utility modelly take volume, easy to operate.
Description
Technical field
The utility model relates to mathematics teaching aid field, specifically a kind of mathematical teaching aid.
Background technology
In mathematical education process, mapping demonstration equipment miscellaneous is essential, and instructors needs to map on blackboard by them, to explain clearly student, to demonstrate; But mapping, the demonstration equipment of use are now of a great variety, not of uniform size, instructors goes up class hour at every turn, all needs to carry with these, and after being finished at every turn, also need to carry back and forth, bother very much, increase the working strength of teacher, be unfavorable for the raising of teaching efficiency, and some teaching aid floor area is comparatively large, affects the ornaments in classroom.Teaching aid is that being sci-tech mass media completely, is indispensable equipment in teenager's scientific and technological activities by the material object propagated for the purpose of science and technology, education people.Teaching aid in scientific and technological activities has object visual and duplicate teaching aid.Geometry teaching teaching aid is generally geometric model, is mainly used in the teaching of mathematics.Existing teaching aid needs teacher's hand to lift when showing, very inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of convenient for collecting, the simple mathematical teaching aid of structure, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of mathematical teaching aid, comprise base, cabinet and desktop, be provided with telescopic support bar above described base, support bar comprises support arm, T-shaped inner support, inner support inserts in support arm through the upside of support arm, and support arm symmetria bilateralis is provided with spring; Described spring one end is connected with inner support, and the other end is connected with height drive plate; Roller is provided with below described base, described cabinet is positioned at above support bar, be provided with some difform article putting grooves in cabinet, article putting groove comprises straight flute, set square groove, compasses groove and graphometer groove, is equipped with elastic reducing-fixing band in the middle part of straight flute, set square groove, compasses groove and graphometer groove; Be provided with desktop above described cabinet, be provided with supporting station below desktop, desktop-centric place is provided with the embedded hole of through desktop upper and lower surface, and the supporting station of the below of embedded hole is provided with cylinder, is provided with sealing ring between the piston in cylinder and cylinder; The right side of described cylinder connects inflator pump, and the left surface of cylinder is provided with venting electromagnetic pump; The side of described desktop is provided with the delay switch controlling inflator pump and venting electromagnetic pump respectively; Piston upper surface in cylinder is connected with one end of piston rod, and the other end of piston rod connects the lower surface of embedded pallet; There is rotating disc the top of embedded pallet, and the bottom surface of rotating disc is groove structure, and embedded pallet is embedded in the groove of rotating disc, is connected between embedded Tray side and the groove walls of rotating disc by bearing, and rotating disc upper surface is provided with square projection.
Further, be provided with height adjustment control in described cabinet, height adjustment control is connected with height drive plate by motor.
Further, described supporting station is placed with mathematical model.
Compared with prior art, be provided with height adjustment control in cabinet of the present utility model, height adjustment control is connected with height drive plate by motor; During use, by height adjustment control, mathematical teaching aid is transferred to suitable height and position, in article putting groove, mapping, the demonstration equipment of use is wanted in taking-up; After being finished drawing tools, first put back in corresponding article putting groove, then by height adjustment control, support bar is reduced, reduce and of the present utility model take volume, then the utility model is placed on that one does not affect teaching, the position of study carries out depositing, structure is simply, easy to operate; Rotating disc upper surface is provided with square projection, is provided with square groove below mathematical model, and described square projection and square groove match, fixing teaching aid easily and effectively, prevents teaching aid from coming off and the phenomenon of slippage when rotating; The utility model in use, teaching aid is placed in rotating disc by teacher, press delay switch, when teaching aid level rotating disc is raised to certain altitude, switch cuts out automatically, and teacher can show, after displaying by manual rotation rotating disc, can lower under pallet by Push switch, exchange other teaching aid for and show.
Accompanying drawing explanation
Fig. 1 is the structural representation of mathematical teaching aid.
Fig. 2 is the structural representation of desktop in mathematical teaching aid.
In figure: 1-roller, 2-base, 3-height drive plate, 4-spring, 5-support arm, 6-inner support, 7-cabinet, 8-straight flute, 9-set square groove, 10-compasses groove, 11-graphometer groove, 12-supporting station, 13-desktop, 14-inflator pump, 15-cylinder, 16-delay switch, 17-are exitted electromagnetic pump, 18-piston, 19-piston rod, the embedded pallet of 20-, 21-rotating disc, the square projection of 22-, 23-embedded hole 23.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
Refer to Fig. 1-2, a kind of mathematical teaching aid, comprise base 2, cabinet 7 and desktop 13, telescopic support bar is provided with above described base 2, support bar comprises support arm 5, T-shaped inner support 6, inner support 6 inserts in support arm 5 through the upside of support arm 5, and can vertically movement up and down, and support arm 5 symmetria bilateralis is provided with spring 4; Described spring 4 one end is connected with inner support 6, and the other end is connected with height drive plate 3; Roller 1 is provided with below described base 2, described cabinet 7 is positioned at above support bar, some difform article putting grooves are provided with in cabinet 7, article putting groove comprises straight flute 8, set square groove 9, compasses groove 10 and graphometer groove 11, is equipped with elastic reducing-fixing band in the middle part of straight flute 8, set square groove 9, compasses groove 10 and graphometer groove 11; Be provided with height adjustment control in described cabinet 7, height adjustment control is connected with height drive plate 3 by motor; During use, by height adjustment control, mathematical teaching aid is transferred to suitable height and position, in article putting groove, mapping, the demonstration equipment of use is wanted in taking-up; After being finished drawing tools, first put back in corresponding article putting groove, then by height adjustment control, support bar is reduced, reduce and of the present utility model take volume, then the utility model is placed on that one does not affect teaching, the position of study carries out depositing, structure is simply, easy to operate; Desktop 13 is provided with above described cabinet 7, supporting station 12 is provided with below desktop 13, desktop 13 center is provided with the embedded hole 23 of through desktop 13 upper and lower surface, and the supporting station 12 of the below of embedded hole 23 is provided with cylinder 15, is provided with sealing ring between the piston 18 in cylinder 15 and cylinder 15; The right side of described cylinder 15 connects inflator pump 14, and the left surface of cylinder 15 is provided with venting electromagnetic pump 17; The side of described desktop 13 is provided with the delay switch 16 controlling inflator pump 14 and venting electromagnetic pump 17 respectively; Piston 18 upper surface in cylinder 15 is connected with one end of piston rod 19, and the other end of piston rod 19 connects the lower surface of embedded pallet 20; There is rotating disc 21 top of embedded pallet 20, the bottom surface of rotating disc 21 is groove structure, embedded pallet 20 is embedded in the groove of rotating disc 21, embedded pallet 20 side is connected by bearing with between the groove walls of rotating disc 21, bearing adopts thrust bearing, thrust bearing is mainly used in the rolling bearing bearing axial load, and rotating disc 21 upper surface is provided with square protruding 22; The material of rotary-tray of the present utility model can be timber or plastics; Supporting station 12 below desktop 13 is also placed with mathematical model; Rotating disc 21 upper surface is provided with square protruding 22, is provided with square groove below mathematical model, and described square projection and square groove match, fixing teaching aid easily and effectively, prevents teaching aid from coming off and the phenomenon of slippage when rotating; Delay switch 16 of the present utility model adopts model to be the touching delay switch of TID-819, the time of opening after setting starting switch, the powered-down when pallet is raised to the height of convenient displaying or drops to desktop 13 horizontal level, is more convenient for operation during teachers; The utility model in use, teaching aid is placed in rotating disc 21 by teacher, press delay switch 16, when teaching aid level rotating disc is raised to certain altitude, switch cuts out automatically, and teacher can show, after displaying by manual rotation rotating disc, can lower under pallet by Push switch, exchange other teaching aid for and show.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (3)
1. a mathematical teaching aid, comprise base (2), cabinet (7) and desktop (13), it is characterized in that, described base (2) top is provided with telescopic support bar, support bar comprises support arm (5), T-shaped inner support (6), inner support (6) inserts in support arm (5) through the upside of support arm (5), and support arm (5) symmetria bilateralis is provided with spring (4); Described spring (4) one end is connected with inner support (6), and the other end is connected with height drive plate (3); Described base (2) below is provided with roller (1), described cabinet (7) is positioned at above support bar, some difform article putting grooves are provided with in cabinet (7), article putting groove comprises straight flute (8), set square groove (9), compasses groove (10) and graphometer groove (11), and straight flute (8), set square groove (9), compasses groove (10) and graphometer groove (11) middle part is equipped with elastic reducing-fixing band; Described cabinet (7) top is provided with desktop (13), desktop (13) below is provided with supporting station (12), desktop (13) center is provided with the embedded hole (23) of through desktop (13) upper and lower surface, the supporting station (12) of the below of embedded hole (23) is provided with cylinder (15), between the piston (18) in cylinder (15) and cylinder (15), is provided with sealing ring; The right side of described cylinder (15) connects inflator pump (14), and the left surface of cylinder (15) is provided with venting electromagnetic pump (17); The side of described desktop (13) is provided with the delay switch (16) controlling inflator pump (14) and venting electromagnetic pump (17) respectively; Piston (18) upper surface in cylinder (15) is connected with one end of piston rod (19), and the other end of piston rod (19) connects the lower surface of embedded pallet (20); There is rotating disc (21) top of embedded pallet (20), the bottom surface of rotating disc (21) is groove structure, embedded pallet (20) is embedded in the groove of rotating disc (21), embedded pallet (20) side is connected by bearing with between the groove walls of rotating disc (21), and rotating disc (21) upper surface is provided with square projection (22).
2. mathematical teaching aid according to claim 1, is characterized in that, is provided with height adjustment control in described cabinet (7), and height adjustment control is connected with height drive plate (3) by motor.
3. mathematical teaching aid according to claim 1, is characterized in that, (12) are placed with mathematical model to described supporting station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520016497.6U CN204390555U (en) | 2015-01-09 | 2015-01-09 | A kind of mathematical teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520016497.6U CN204390555U (en) | 2015-01-09 | 2015-01-09 | A kind of mathematical teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204390555U true CN204390555U (en) | 2015-06-10 |
Family
ID=53363256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520016497.6U Expired - Fee Related CN204390555U (en) | 2015-01-09 | 2015-01-09 | A kind of mathematical teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204390555U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107215129A (en) * | 2017-05-25 | 2017-09-29 | 潍坊科技学院 | A kind of demonstration machine for mathematics teaching |
| CN107808582A (en) * | 2017-11-27 | 2018-03-16 | 安徽安凯汽车股份有限公司 | A kind of rear bridge driven teaching fixing device |
| CN112629098A (en) * | 2015-12-10 | 2021-04-09 | Jcr制药股份有限公司 | Movable low-temperature working table |
-
2015
- 2015-01-09 CN CN201520016497.6U patent/CN204390555U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629098A (en) * | 2015-12-10 | 2021-04-09 | Jcr制药股份有限公司 | Movable low-temperature working table |
| CN107215129A (en) * | 2017-05-25 | 2017-09-29 | 潍坊科技学院 | A kind of demonstration machine for mathematics teaching |
| CN107808582A (en) * | 2017-11-27 | 2018-03-16 | 安徽安凯汽车股份有限公司 | A kind of rear bridge driven teaching fixing device |
| CN107808582B (en) * | 2017-11-27 | 2023-10-13 | 安徽安凯汽车股份有限公司 | Rear axle drive fixing device for teaching |
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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 |
Granted publication date: 20150610 Termination date: 20160109 |