CN110120162B - Korean teaching shows teaching aid that uses - Google Patents
Korean teaching shows teaching aid that uses Download PDFInfo
- Publication number
- CN110120162B CN110120162B CN201910394526.5A CN201910394526A CN110120162B CN 110120162 B CN110120162 B CN 110120162B CN 201910394526 A CN201910394526 A CN 201910394526A CN 110120162 B CN110120162 B CN 110120162B
- Authority
- CN
- China
- Prior art keywords
- gear
- fixedly connected
- side wall
- rotating shaft
- bottom plate
- 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.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
- G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
- G09B1/04—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols
- G09B1/06—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols and being attachable to, or mounted on, the support
- G09B1/08—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols and being attachable to, or mounted on, the support by means of magnets
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/06—Foreign languages
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
Abstract
The invention discloses a display teaching aid for Korean teaching, which comprises a bottom plate, wherein a lifting mechanism is arranged on the upper side of the bottom plate, a gear transmission mechanism is arranged on the upper side of the bottom plate, a power mechanism is arranged on the upper side of the bottom plate, a slide bar mechanism is arranged on the upper side of the bottom plate, a connecting plate is fixedly connected to the upper end of the slide bar mechanism, a white plate is fixedly connected to the side wall of the connecting plate, a plurality of magnets are arranged on the side wall of the white plate, Korean letters are arranged on the side wall of each magnet, two first supporting blocks are fixedly connected to the side wall of the connecting plate, and the two first supporting blocks are jointly and rotatably connected with. The height of the white board can be adjusted, the adjusting operation is simple and convenient, all students can see all contents on the white board, the words can be spelled by using the magnets with letters, the interaction between teachers and students and the interest of learning are increased, and the foldable spread is arranged, so that projection teaching can be carried out.
Description
Technical Field
The invention relates to the technical field of teaching aids, in particular to a display teaching aid for Korean teaching.
Background
In long-term teaching practice, teacher's personnel use the show teaching aid and give lessons the in-process for the student, but the height of show board can not be adjusted to current show teaching aid, probably causes partial student to watch incompletely in the teaching, and the word spelling needs to write by hand, and interactive and interesting variation can not arouse student's interest in learning, does not have the exhibition cloth, can't carry out the projection teaching.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a display teaching aid for Korean teaching.
In order to achieve the purpose, the invention adopts the following technical scheme:
a display teaching aid for Korean teaching comprises a base plate, wherein a lifting mechanism is arranged on the upper side of the base plate, a gear transmission mechanism is arranged on the upper side of the base plate, a power mechanism is arranged on the upper side of the base plate, a slide bar mechanism is arranged on the upper side of the base plate, a connecting plate is fixedly connected to the upper end of the slide bar mechanism, a white plate is fixedly connected to the side wall of the connecting plate, a plurality of magnets are arranged on the side wall of the white plate, Korean letters are arranged on the side wall of each magnet, two first supporting blocks are fixedly connected to the side wall of the connecting plate, the two first supporting blocks are jointly and rotatably connected with a rotating shaft, the rotating shaft penetrates through one first supporting block, a piece of display cloth is fixedly connected to the side wall of the rotating shaft and is wound on the side wall of the rotating shaft, a fixing strip is fixedly connected to the lower end of the, the one end fixedly connected with handle that first supporting block is stretched out in the pivot, be equipped with fastening device on the lateral wall of connecting plate, the downside fixedly connected with slipmat of bottom plate.
Preferably, the lifting mechanism comprises a first bevel gear rotatably connected to the upper side of the bottom plate, a sleeve is fixedly connected to the side wall of the first bevel gear, an internal thread is arranged on the inner wall of the sleeve, a threaded rod is arranged in the sleeve and is matched with the internal thread, and a transverse plate is fixedly connected to the upper end of the threaded rod.
Preferably, the gear transmission mechanism comprises a housing fixedly connected to the side wall of the bottom plate and a second supporting block, a first rotating shaft penetrates through the side wall of the second supporting block, the first rotating shaft is rotatably connected with the second supporting block, a second bevel gear is fixedly connected to one end of the first rotating shaft, the first bevel gear and the second bevel gear are engaged with each other, one end of the first rotating shaft, which is far away from the second bevel gear, penetrates through the side wall of the housing, the first rotating shaft is rotatably connected with the housing, one end of the first rotating shaft, which is located in the housing, is fixedly connected with a first gear, a second rotating shaft is rotatably connected to the inner wall of the housing, a second gear, a third gear and a fourth gear are fixedly connected to the side wall of the second rotating shaft, the second gear is engaged with the first gear, a fifth gear is rotatably connected to the inner wall of the housing, and the fifth gear and the fourth gear are engaged with each other, run through on the lateral wall of shell and be equipped with the third pivot, the third pivot is rotated with the shell and is connected, be equipped with the spline on the lateral wall of third pivot, sliding connection has sixth gear and seventh gear on the lateral wall of third pivot, the wheel hub inner wall of sixth gear and seventh gear all is equipped with the spline, spline on the wheel hub inner wall of sixth gear and seventh gear mutually supports with the spline on the lateral wall of third pivot, the part cover that the third pivot is located between sixth gear and the seventh gear is equipped with solid fixed ring, gu fixed ring rotates with the third pivot to be connected, gu fixed ring's both ends rotate respectively to be connected on the lateral wall that sixth gear and seventh gear are relative, be equipped with the spout on the lateral wall of shell, sliding connection has the driving lever in the spout, the lower extreme fixed connection of driving lever is on solid fixed ring's lateral wall.
Preferably, power unit includes ratchet and the eighth gear of rotation connection on the lateral wall of third pivot of fixed connection on the lateral wall of third pivot, be equipped with the recess on the lateral wall of eighth gear, even rotation is connected with a plurality of connecting rods on the inner wall of recess, be equipped with first spring between the inner wall of connecting rod and recess, the lower extreme of connecting rod rotates and is connected with the gyro wheel, the gyro wheel is mutually supported with the ratchet of ratchet, two slide rails of fixedly connected with on the lateral wall of bottom plate, the common sliding connection of two slide rails has the rack, rack and eighth gear intermeshing, be equipped with the second spring between rack and the bottom plate, the second spring is compression spring, fixedly connected with footboard on the lateral wall of rack.
Preferably, the slide bar mechanism includes two slide bars of fixed connection on the lateral wall of bottom plate of symmetry, the equal fixedly connected with dog in upper end of two slide bars, equal sliding connection has the slider on the lateral wall of two slide bars, the part that two slide bars lie in between slider and the dog all overlaps and is equipped with the spring, equal fixedly connected with bracing piece on the lateral wall of two sliders, the common supporting connection board of two bracing pieces, the common fixed connection of two sliders is on the lateral wall of diaphragm.
Preferably, the fastening mechanism comprises two sliding sleeves fixedly connected to the side walls of the connecting plate, limiting pins are connected to the two sliding sleeves in a sliding mode, the two limiting pins are matched with the two fixing holes in the side walls of the fixing strip respectively, and handles are fixedly connected to the side walls of the two limiting pins.
The invention has the following beneficial effects:
1. the height of the white board can be adjusted, the adjusting operation is simple and convenient, and all students can see all contents on the white board;
2. the words can be spelled by using the magnets with letters, so that the interaction between teachers and students and the interest of learning are increased;
3. the cloth that is equipped with can the rolling is spread, can carry out the projection teaching.
Drawings
Fig. 1 is a schematic structural view of a display teaching aid for korean teaching according to the present invention;
FIG. 2 is a schematic structural view of the power mechanism;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
FIG. 4 is an enlarged view of the structure at B in FIG. 1;
fig. 5 is an enlarged schematic view of the structure at C in fig. 1.
In the figure: 1, 2 sliding rods, 3 sliding blocks, 4 supporting rods, 5 springs, 6 connecting plates, 7 magnets, 8 white boards, 9 first supporting blocks, 10 spreading, 11 rotating shafts, 12 handles, 13 stoppers, 14 anti-slip pads, 15 eighth gears, 16 ratchets, 17 connecting rods, 18 sliding rails, 19 racks, 20 pedals, 21 second springs, 22 second supporting blocks, 23 first rotating shafts, 24 first gears, 25 second gears, 26 shells, 27 third gears, 28 second rotating shafts, 29 fourth gears, 30 fifth gears, 31 sixth gears, 32 third rotating shafts, 33 sliding grooves, 34 shifting rods, 35 seventh gears, 36 sleeves, 37 threaded rods, 38 second bevel gears, 39 first bevel gears, 40 limiting pins, 41 handles and 42 sliding sleeves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, a display teaching aid for korean teaching comprises a bottom plate 1, a lifting mechanism is arranged on the upper side of the bottom plate 1, the lifting mechanism comprises a first bevel gear 39 rotatably connected to the upper side of the bottom plate 1, a sleeve 36 is fixedly connected to the side wall of the first bevel gear 39, an internal thread is arranged on the inner wall of the sleeve 36, a threaded rod 37 is arranged in the sleeve 36, the threaded rod 37 is matched with the internal thread, a transverse plate is fixedly connected to the upper end of the threaded rod 37, a gear transmission mechanism is arranged on the upper side of the bottom plate 1, the gear transmission mechanism comprises a housing 26 fixedly connected to the side wall of the bottom plate 1 and a second supporting block 22, a first rotating shaft 23 is arranged on the side wall of the second supporting block 22 in a penetrating manner, the first rotating shaft 23 is rotatably connected with the second supporting block 22, a second bevel gear 38, one end of the first rotating shaft 23, which is far away from the second bevel gear 38, penetrates through the side wall of the housing 26, the first rotating shaft 23 is rotatably connected with the housing 26, one end of the first rotating shaft 23, which is positioned in the housing 26, is fixedly connected with a first gear 24, the inner wall of the housing 26 is rotatably connected with a second rotating shaft 28, the side wall of the second rotating shaft 28 is fixedly connected with a second gear 25, a third gear 27 and a fourth gear 29, the second gear 25 is mutually meshed with the first gear 24, the inner wall of the housing 26 is rotatably connected with a fifth gear 30, the fifth gear 30 is mutually meshed with the fourth gear 29, the side wall of the housing 26 is provided with a third rotating shaft 32 in a penetrating manner, the third rotating shaft 32 is rotatably connected with the housing 26, the side wall of the third rotating shaft 32 is provided with splines, the side wall of the third rotating shaft 32 is slidably connected with a sixth gear 31 and a seventh gear 35, the hub inner walls of the sixth, splines on the inner walls of hubs of the sixth gear 31 and the seventh gear 35 are matched with splines on the side wall of the third rotating shaft 32, a fixing ring is sleeved on a part of the third rotating shaft 32, which is positioned between the sixth gear 31 and the seventh gear 35, the fixing ring is rotatably connected with the third rotating shaft 32, two ends of the fixing ring are respectively rotatably connected with the opposite side walls of the sixth gear 31 and the seventh gear 35, a sliding groove 33 is arranged on the side wall of the shell 26, a shift lever 34 is slidably connected in the sliding groove 33, the lower end of the shift lever 34 is fixedly connected with the side wall of the fixing ring, a power mechanism is arranged on the upper side of the bottom plate 1, the power mechanism comprises a ratchet wheel 16 fixedly connected on the side wall of the third rotating shaft 32 and an eighth gear 15 rotatably connected on the side wall of the third rotating shaft 32, a groove is arranged on the side wall of the eighth gear 15, a plurality of connecting rods 17 are uniformly, the lower end of the connecting rod 17 is rotatably connected with a roller wheel, the roller wheel is matched with ratchets of the ratchet wheel 16, the side wall of the bottom plate 1 is fixedly connected with two slide rails 18, the two slide rails 18 are jointly and slidably connected with a rack 19, the rack 19 is meshed with the eighth gear 15, a second spring 21 is arranged between the rack 19 and the bottom plate 1, the second spring 21 is a compression spring, the side wall of the rack 19 is fixedly connected with a pedal 20, the upper side of the bottom plate 1 is provided with a slide bar mechanism, the slide bar mechanism comprises two slide bars 2 which are symmetrically and fixedly connected with the side wall of the bottom plate 1, the upper ends of the two slide bars 2 are fixedly connected with a stop block 13, the side walls of the two slide bars 2 are respectively and slidably connected with a slide block 3, the parts of the two slide bars 2, which are positioned between the slide blocks 3 and the stop, the two sliding blocks 3 are fixedly connected to the side wall of the transverse plate together, the upper end of the sliding rod mechanism is fixedly connected with a connecting plate 6, the height of the connecting plate 6 is adjusted, the pedal 20 can be lifted upwards by a toe, so that the rack 19 drives the eighth gear 15 to rotate, the eighth gear 15 pushes the ratchet 16 to rotate through the connecting rod 17, the ratchet 16 drives the third rotating shaft 32 to rotate, then the toe is put down, the rack 19 is reset under the action of the second spring 19, the first bevel gear 39 rotates under the transmission of the gear transmission mechanism to drive the sleeve 36 to rotate, the threaded rod 37 moves by the internal thread, the poking rod 34 can change the rotating direction of the second bevel gear 38, so that the moving direction of the threaded rod 37 is changed, the lifting or the lowering of the connecting plate 6 is controlled, the white plate 8 is fixedly connected to the side wall of the connecting plate 6, the plurality of magnets 7 are arranged on the side wall of the white plate 8, the side wall of the connecting plate 6 is fixedly connected with two first supporting blocks 9, the two first supporting blocks 9 are jointly and rotatably connected with a rotating shaft 11, the rotating shaft 11 penetrates through one of the first supporting blocks 9, the side wall of the rotating shaft 11 is fixedly connected with a piece of spread cloth 10, the spread cloth 10 is wound on the side wall of the rotating shaft 11, the lower end of the spread cloth 10 is fixedly connected with a fixing strip, the side wall of the fixing strip is symmetrically provided with two fixing holes, when projection is needed, the spread cloth 10 wound on the rotating shaft 11 is pulled out and then is inserted into the fixing holes on the side wall of the fixing strip by a limiting pin 40 for fixing, one end of the rotating shaft 11 extending out of the first supporting block 9 is fixedly connected with a handle 12, the side wall of the connecting plate 6 is provided with a fastening mechanism, the fastening mechanism comprises two sliding sleeves 42 fixedly connected on the side wall of the connecting plate 6, the limiting pins 40 are respectively and slidably connected in the, handles 41 are fixedly connected to the side walls of the two limit pins 40, and the anti-skid pad 14 is fixedly connected to the lower side of the bottom plate 1.
In the invention, to adjust the height of the connecting plate 6, the pedal 20 can be lifted upwards by the toes, the rack 19 drives the eighth gear 15 to rotate, the eighth gear 15 pushes the ratchet wheel 16 to rotate through the connecting rod 17, the ratchet wheel 16 drives the third rotating shaft 32 to rotate, then the toes are put down, the rack 19 is reset under the action of the second spring 19, the first bevel gear 39 rotates under the transmission of the gear transmission mechanism to drive the sleeve 36 to rotate, the internal thread drives the threaded rod 37 to move, the deflector rod 34 can drive the second bevel gear 38 to change the rotating direction, so that the moving direction of the threaded rod 37 is changed, the threaded rod 37 drives the transverse plate, the transverse plate drives the sliding block 3 to slide along the sliding rod 2, thereby controlling the rising or falling of the connecting plate 6, during spelling, the magnet 7 with Korean letters in the moving belt is spelled, when projection is needed, the display cloth 10 wound on the rotating shaft 11 is torn out, and then the limiting pin 40 is inserted into the fixing hole on the side wall of the fixing strip for fixing.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The utility model provides a show teaching aid that korean teaching was used, includes bottom plate (1), its characterized in that, the upside of bottom plate (1) is equipped with lifting mechanism, the upside of bottom plate (1) is equipped with gear drive, the upside of bottom plate (1) is equipped with power unit, the upside of bottom plate (1) is equipped with slide bar mechanism, slide bar mechanism's upper end fixedly connected with connecting plate (6), fixedly connected with blank (8) on the lateral wall of connecting plate (6), be equipped with a plurality of magnet (7) on the lateral wall of blank (8), every all be equipped with the korean letter on the lateral wall of magnet (7), fixedly connected with two first supporting block (9) on the lateral wall of connecting plate (6), two first supporting block (9) rotate jointly and are connected with pivot (11), pivot (11) run through one of them first supporting block (9), the side wall of the rotating shaft (11) is fixedly connected with a piece of spreading cloth (10), the spreading cloth (10) is wound on the side wall of the rotating shaft (11), the lower end of the spreading cloth (10) is fixedly connected with a fixing strip, two fixing holes are symmetrically formed in the side wall of the fixing strip, one end, extending out of the first supporting block (9), of the rotating shaft (11) is fixedly connected with a handle (12), a fastening mechanism is arranged on the side wall of the connecting plate (6), and the lower side of the bottom plate (1) is fixedly connected with an anti-skid pad (14); the lifting mechanism comprises a first bevel gear (39) rotatably connected to the upper side of the bottom plate (1), a sleeve (36) is fixedly connected to the side wall of the first bevel gear (39), internal threads are arranged on the inner wall of the sleeve (36), a threaded rod (37) is arranged in the sleeve (36), the threaded rod (37) is matched with the internal threads, and a transverse plate is fixedly connected to the upper end of the threaded rod (37);
the gear transmission mechanism comprises a shell (26) and a second supporting block (22) which are fixedly connected to the side wall of the bottom plate (1), a first rotating shaft (23) penetrates through the side wall of the second supporting block (22), the first rotating shaft (23) is rotatably connected with the second supporting block (22), a second bevel gear (38) is fixedly connected to one end of the first rotating shaft (23), the first bevel gear (39) and the second bevel gear (38) are meshed with each other, one end, far away from the second bevel gear (38), of the first rotating shaft (23) penetrates through the side wall of the shell (26), the first rotating shaft (23) is rotatably connected with the shell (26), one end, located in the shell (26), of the first rotating shaft (23) is fixedly connected with a first gear (24), the inner wall of the shell (26) is rotatably connected with a second rotating shaft (28), and a second gear (25) is fixedly connected to the side wall of the second rotating shaft (28), Third gear (27) and fourth gear (29), second gear (25) and first gear (24) intermeshing, it is connected with fifth gear (30) to rotate on the inner wall of shell (26), fifth gear (30) and fourth gear (29) intermeshing, it is equipped with third pivot (32) to run through on the lateral wall of shell (26), third pivot (32) rotate with shell (26) and be connected, be equipped with the spline on the lateral wall of third pivot (32), sliding connection has sixth gear (31) and seventh gear (35) on the lateral wall of third pivot (32), the wheel hub inner wall of sixth gear (31) and seventh gear (35) all is equipped with the spline, the spline on the wheel hub inner wall of sixth gear (31) and seventh gear (35) mutually supports with the spline on the lateral wall of third pivot (32), the part cover that third pivot (32) is located between sixth gear (31) and seventh gear (35) is equipped with fixed cover, and is equipped with third pivot (32) The fixing ring is rotatably connected with the third rotating shaft (32), two ends of the fixing ring are respectively rotatably connected to the opposite side walls of the sixth gear (31) and the seventh gear (35), a sliding groove (33) is formed in the side wall of the shell (26), a shifting rod (34) is connected in the sliding groove (33) in a sliding mode, and the lower end of the shifting rod (34) is fixedly connected to the side wall of the fixing ring;
the power mechanism comprises a ratchet wheel (16) fixedly connected to the side wall of the third rotating shaft (32) and an eighth gear (15) rotatably connected to the side wall of the third rotating shaft (32), a groove is formed in the side wall of the eighth gear (15), a plurality of connecting rods (17) are uniformly and rotatably connected to the inner wall of the groove, a first spring is arranged between each connecting rod (17) and the inner wall of the groove, the lower end of each connecting rod (17) is rotatably connected with a roller wheel, the roller wheels are matched with ratchets of the ratchet wheel (16), two sliding rails (18) are fixedly connected to the side wall of the bottom plate (1), the two sliding rails (18) are jointly and slidably connected with a rack (19), the rack (19) and the eighth gear (15) are mutually meshed, a second spring (21) is arranged between the rack (19) and the bottom plate (1), and the second spring (21) is a compression spring, the side wall of the rack (19) is fixedly connected with a pedal (20).
2. The korean language teaching demonstration teaching aid, as claimed in claim 1, wherein the slide bar mechanism comprises two symmetrical slide bars (2) fixedly connected to the side wall of the bottom plate (1), the upper ends of the two slide bars (2) are both fixedly connected with a stop block (13), the side walls of the two slide bars (2) are both slidably connected with a slide block (3), the parts of the two slide bars (2) between the slide blocks (3) and the stop block (13) are both sleeved with springs (5), the side walls of the two slide blocks (3) are both fixedly connected with support bars (4), the two support bars (4) jointly support the connecting plate (6), and the two slide blocks (3) are jointly fixedly connected to the side wall of the transverse plate.
3. The korean teaching demonstration teaching aid according to claim 1, wherein the fastening mechanism comprises two sliding sleeves (42) fixedly connected to the side walls of the connecting plate (6), each sliding sleeve (42) has a limit pin (40) slidably connected therein, each limit pin (40) is respectively matched with two fixing holes on the side walls of the fixing bars, and each handle (41) is fixedly connected to the side walls of each limit pin (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910394526.5A CN110120162B (en) | 2019-05-13 | 2019-05-13 | Korean teaching shows teaching aid that uses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910394526.5A CN110120162B (en) | 2019-05-13 | 2019-05-13 | Korean teaching shows teaching aid that uses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110120162A CN110120162A (en) | 2019-08-13 |
| CN110120162B true CN110120162B (en) | 2021-06-04 |
Family
ID=67522219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910394526.5A Active CN110120162B (en) | 2019-05-13 | 2019-05-13 | Korean teaching shows teaching aid that uses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110120162B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111462541B (en) * | 2020-04-10 | 2022-04-08 | 山东交通职业学院 | English teaching is with contest equipment that has enjoyment |
| CN111798742B (en) * | 2020-07-28 | 2022-03-15 | 合肥天工标识标牌有限公司 | Stable signboard of placing based on transmission is adjusted |
| CN111968550A (en) * | 2020-09-25 | 2020-11-20 | 霍普(南京)生命科学研究院有限公司 | Based on 5G digital civil affairs wisdom service system |
| CN112140775B (en) * | 2020-09-25 | 2021-12-28 | 山东工业职业学院 | Geometry teaching aid with folding function of accomodating for mechanical drawing |
| CN112271605A (en) * | 2020-11-02 | 2021-01-26 | 张墨然 | Fine adjustment type power box for power circuit control panel |
| CN112385989B (en) * | 2020-11-18 | 2022-11-15 | 深圳市美斯顿家具有限公司 | Table and chair with freely adjustable height |
| CN112704333A (en) * | 2020-11-24 | 2021-04-27 | 宁波东诚日用塑料制品有限公司 | Concatenation rack |
| CN113077732B (en) * | 2021-04-12 | 2022-12-02 | 红河学院 | LED picture-inserting lamp box |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968054A (en) * | 2013-01-31 | 2014-08-06 | 爱信精机株式会社 | Dog clutch control apparatus for automated transmission |
| CN204360648U (en) * | 2014-12-04 | 2015-05-27 | 广东轻工职业技术学院 | Teaching aid is shown in a kind of teaching |
| CN204423728U (en) * | 2015-02-26 | 2015-06-24 | 楚晴 | A kind of English-teaching aid |
| CN205375880U (en) * | 2016-01-06 | 2016-07-06 | 西安外事学院 | Multimedia device for japanese teaching |
| CN205388837U (en) * | 2016-02-02 | 2016-07-20 | 信阳农林学院 | Portable simple and easy english study teaching board |
| CN108209786A (en) * | 2018-04-02 | 2018-06-29 | 许正 | A kind of mop wringer |
| CN108944184A (en) * | 2018-09-30 | 2018-12-07 | 董合作 | A kind of primary Chinese teaching display board convenient for Chinese character writing on the blackboard |
| CN208827403U (en) * | 2018-06-22 | 2019-05-07 | 西安职业技术学院 | A kind of Chinese literature board of education |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6165044A (en) * | 1998-12-23 | 2000-12-26 | Lamar, Jr.; Tommy | Power-driven motorized bulldozer |
| CN103420063B (en) * | 2012-05-24 | 2017-05-17 | 刘建威 | Lifting device and container with same |
| CN203149983U (en) * | 2013-01-23 | 2013-08-21 | 华中农业大学 | Multi-degree-of-freedom diesel engine disassembly/assembly experiment table |
| KR101657911B1 (en) * | 2015-12-22 | 2016-09-19 | 윤호진 | Electrical lifting blackboard apparatus |
| CN206259029U (en) * | 2016-10-09 | 2017-06-16 | 黄冈职业技术学院 | A kind of English teaching wall chart support |
| CN206749842U (en) * | 2017-02-28 | 2017-12-15 | 黄山学院 | A kind of feed device of packed food sterilization |
| CN107731018B (en) * | 2017-11-01 | 2019-11-29 | 上海弘信电子科技有限公司 | A kind of multi-modal translation teaching device of visualization Internet-based |
| CN208827406U (en) * | 2018-07-11 | 2019-05-07 | 韶关市欣惠彩信息科技有限公司 | A kind of new type blackboard |
| CN109159581B (en) * | 2018-08-24 | 2020-08-04 | 莫逢文 | A accomodate blackboard case for removing teaching |
| CN109469310A (en) * | 2018-11-02 | 2019-03-15 | 筑梦高科建筑有限公司 | A kind of wheeled robot climbing frame |
-
2019
- 2019-05-13 CN CN201910394526.5A patent/CN110120162B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968054A (en) * | 2013-01-31 | 2014-08-06 | 爱信精机株式会社 | Dog clutch control apparatus for automated transmission |
| CN204360648U (en) * | 2014-12-04 | 2015-05-27 | 广东轻工职业技术学院 | Teaching aid is shown in a kind of teaching |
| CN204423728U (en) * | 2015-02-26 | 2015-06-24 | 楚晴 | A kind of English-teaching aid |
| CN205375880U (en) * | 2016-01-06 | 2016-07-06 | 西安外事学院 | Multimedia device for japanese teaching |
| CN205388837U (en) * | 2016-02-02 | 2016-07-20 | 信阳农林学院 | Portable simple and easy english study teaching board |
| CN108209786A (en) * | 2018-04-02 | 2018-06-29 | 许正 | A kind of mop wringer |
| CN208827403U (en) * | 2018-06-22 | 2019-05-07 | 西安职业技术学院 | A kind of Chinese literature board of education |
| CN108944184A (en) * | 2018-09-30 | 2018-12-07 | 董合作 | A kind of primary Chinese teaching display board convenient for Chinese character writing on the blackboard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110120162A (en) | 2019-08-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110120162B (en) | Korean teaching shows teaching aid that uses | |
| CN111298417B (en) | Basketball equipment of jettisoninging for sports teaching | |
| CN108591722A (en) | A kind of adjustable education and instruction auxiliary device of double screen | |
| CN109785715B (en) | Rotary magnetic three-dimensional geometric figure display device | |
| CN211529396U (en) | Novel teaching aid for political teaching | |
| CN209056098U (en) | A kind of automobile lighting system practical training stand | |
| CN209928694U (en) | Demonstration board for education | |
| CN208819433U (en) | A kind of displaying device for Destination Management practical teaching | |
| CN214475764U (en) | Children's taste teaching disc subassembly | |
| CN211479336U (en) | Multifunctional teaching moving frame | |
| CN211506796U (en) | Think political affairs classroom teaching auxiliary device | |
| CN209305187U (en) | A kind of board of education of the multi-surface exhibition with rotation and elevating function | |
| CN215376652U (en) | Thinking guide picture display board for teaching | |
| CN210488928U (en) | Chinese character teaching aid for exploratory learning for foreign Chinese teaching | |
| CN210166986U (en) | English vocabulary contrast explanation presentation device | |
| CN207707674U (en) | A kind of Art Design teaching demonstration device | |
| CN209560792U (en) | A kind of preschool education English assistant teaching aid | |
| CN216125665U (en) | Physics teaching is with multi-functional experiment teaching presentation device | |
| CN208783952U (en) | A kind of easel of preschool education | |
| CN213333230U (en) | Multimedia teaching equipment for medical image teaching | |
| CN210073061U (en) | Dedicated model display device of mathematical education | |
| CN207429689U (en) | A kind of preschool education art learning toy | |
| CN215770182U (en) | Interactive teaching device of professorship english | |
| CN213183210U (en) | Panel for chess teaching display | |
| CN212080748U (en) | Game auxiliary device based on internet education |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |