CN111768656A - English word teaching aid - Google Patents
English word teaching aid Download PDFInfo
- Publication number
- CN111768656A CN111768656A CN202010668145.4A CN202010668145A CN111768656A CN 111768656 A CN111768656 A CN 111768656A CN 202010668145 A CN202010668145 A CN 202010668145A CN 111768656 A CN111768656 A CN 111768656A
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- Prior art keywords
- shell
- rotating
- threaded
- teaching aid
- cavity
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- 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.)
- Withdrawn
Links
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 238000013016 damping Methods 0.000 claims description 8
- 238000007791 dehumidification Methods 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 10
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 230000006870 function Effects 0.000 abstract description 2
- 230000003321 amplification Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- 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
- G09B1/16—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 plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time
- G09B1/18—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 plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time the elements being rotatable
- G09B1/22—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 plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time the elements being rotatable and bearing the symbols on a surface perpendicular to the axis of rotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Lens Barrels (AREA)
Abstract
The invention relates to the field of teaching aids, in particular to an English word teaching aid which comprises a shell, a rotating mechanism, an amplifying mechanism, a cleaning mechanism, a dehumidifying mechanism and a bottom plate, the front surface of the shell is provided with an observation through cavity and a driving cavity, the observation through cavity is vertically arranged at the center of the front end surface of the shell, the driving cavity is horizontally arranged at one side of the front end surface of the shell, the rotating mechanism is rotatably arranged on the rotating shaft in the shell and comprises an installation disc, a rotating ring, single compartments and lug letters, the installation disc is sleeved on the rotating shaft in the shell, and the installation disc is provided with a plurality of rotating rings which are rotatably connected, the diameters of the rotating rings are sequentially decreased progressively, and all the rotating rings are coaxial, each rotating ring is provided with twenty-six single compartments, and each single compartment is fixedly embedded with a lug letter. The English word teaching aid provided by the invention has the advantages of amplification and cleaning functions.
Description
Technical Field
The invention relates to the field of teaching aids, in particular to an English word teaching aid.
Background
English is as present international language, learns that it can be used as trade work, international exchange translation, the business use of foreign enterprise work and multiple international, therefore the main subject of education is progressively promoted in the english teaching, can often need some teaching aids in english teaching, for example teaching earphone, learning machine etc. multiple multimedia device.
The existing English learning turntable is used by children or teachers, due to the fact that the heights of individuals are different, the use of teachers and students is affected, the function is single, adjustment cannot be carried out according to the requirements of users, and the use requirements of teachers and students cannot be met. Therefore, it is necessary to provide a teaching aid for english words to solve the above technical problems.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an English word teaching aid.
The technical scheme adopted by the invention for solving the technical problems is as follows: an English word teaching aid comprises a shell, a rotating mechanism, an amplifying mechanism, a cleaning mechanism, a dehumidifying mechanism and a bottom plate, wherein an observation through cavity and a driving cavity are formed in the front surface of the shell, the observation through cavity is vertically arranged in the center of the front end surface of the shell, and the driving cavity is horizontally arranged on one side of the front end surface of the shell; the rotating mechanism is rotatably arranged on a rotating shaft in the shell; the magnifying mechanism is installed on the shell and comprises a threaded rod, a threaded connecting pipe, a rotating ring and a magnifying lens, the threaded rod is fixedly installed at the rotating center of the front end face of the shell, the threaded rod is sleeved with the threaded connecting pipe in threaded connection, an annular groove is formed in the threaded connecting pipe, the rotating ring in rotary connection is sleeved in the annular groove, the magnifying lens which is the same as the observation through cavity in shape is fixedly installed on one side of the rotating ring, a damping rubber pad is fixedly embedded on one side wall of the rotating ring, and the damping rubber pad is abutted to the outer side wall of the shell; the cleaning mechanism is arranged in the shell, and a dirt storage mechanism is arranged on the shell below the cleaning mechanism; the dehumidification mechanism is arranged on the shell; the bottom plate is connected with the bottom of the shell through a lifting mechanism.
Preferably, the mechanism that rotates includes mounting disc, rotating ring, single check and lug letter, the mounting disc cup joints in the pivot of casing, and installs a plurality of on the mounting disc and rotate the rotating ring that connects, a plurality of the diameter of rotating ring subtracts progressively in proper order, and all rotating ring is with the axle center, each all be equipped with twenty six single check on the rotating ring, and all fixed gomphosis has the lug letter on each single check.
Preferably, twenty-six lug letters are fixedly embedded among twenty-six single lattices on each rotating ring in sequence.
Preferably, clean mechanism includes mounting panel, spring and brush, the mounting panel sets up the inside at the casing, a lateral wall of mounting panel is through the same spring of a plurality of specifications and the inner wall elastic connection of casing, and the mounting panel is close to the fixed gomphosis of lateral wall of rotation mechanism and has the brush, in close contact with between the single check on brush and the mounting disc.
Preferably, the dirt storage mechanism comprises a dust collection box and a scale collection drawer, the dust collection box is fixedly mounted at the bottom of the shell, the scale collection drawer in sliding connection is inserted in the dust collection box, and a through hole communicated with the shell is formed in the top of the dust collection box.
Preferably, dehumidification mechanism includes mounting box, air guide cavity strip and intercommunication chamber, the downside of terminal surface before the casing is fixed to the fixed gomphosis of mounting box, and the casing fixed mounting of mounting box below has air guide cavity strip, the mounting box communicates through a plurality of elastic hose with air guide cavity strip, and air guide cavity strip sets up the intercommunication chamber that a plurality of and casing communicate each other, fixed mounting has the metal graticule mesh on the intercommunication chamber, the mounting box intussuseption is filled with the active carbon granule.
Preferably, elevating system includes sleeve pipe, slide bar and threaded fixing pole, the fixed surface of sheathed tube one end and bottom plate is connected, and the sleeve pipe interpolation is equipped with sliding connection's slide bar, the other end of slide bar extend the sleeve pipe and with the bottom fixed connection of casing, the lateral wall that the sleeve pipe is close to the top has seted up threaded through-hole, and threaded through-hole interpolation is equipped with threaded connection's threaded fixing pole, a plurality of evenly distributed's locking universal wheel is installed to the bottom of bottom plate.
Compared with the related art, the English word teaching aid provided by the invention has the following beneficial effects:
(1) according to the invention, the rotary threaded connecting pipe slides to one side far away from the shell along the threaded rod, and the magnifying lens is rotationally connected with the threaded connecting pipe through the rotary ring and cannot rotate along with the rotation of the threaded connecting pipe, so that the distance between the magnifying lens and the word in the observation through cavity is adjusted, and the size of the letter in the observation through cavity watched by students can be flexibly adjusted.
(2) When the rotating ring on the mounting disc rotates, the brush on the mounting plate is in close contact with the lug letters on the single cells, and the mounting plate is elastically connected with the spring, so that the contact force between the brush and the lug letters is different according to different lug letters, and the brush can clean the lug letters.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of an English word teaching aid according to the present invention;
FIG. 2 is a schematic structural view of the wheel rotating mechanism shown in FIG. 1;
fig. 3 is a schematic structural view of the enlarging mechanism and the cleaning mechanism shown in fig. 1.
Reference numbers in the figures: 1. the device comprises a shell, 2, a rotating mechanism, 21, a mounting disc, 22, a rotating ring, 23, a single compartment, 24, a lug letter, 3, an amplifying mechanism, 31, a threaded rod, 32, a threaded connecting pipe, 33, a rotating ring, 34, an amplifying lens, 4, a cleaning mechanism, 41, a mounting plate, 42, a spring, 43, a hairbrush, 5, a dehumidifying mechanism, 51, a mounting box, 52, an air guide hollow strip, 53, a communicating cavity, 6, a dirt storage mechanism, 61, a dust collection box, 62, a weighing drawer, 7, an observation through cavity, 8, a driving cavity, 9, a bottom plate, 9a, a lifting mechanism, 91a, a sleeve, 92a sliding rod, 93a threaded fixing rod, 9b and a locking universal wheel.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3 in combination, a teaching aid for english words comprises a housing 1, a rotation mechanism 2, an amplifying mechanism 3, a cleaning mechanism 4, a dehumidifying mechanism 5 and a bottom plate 9, wherein the front surface of the housing 1 is provided with an observation through cavity 7 and a driving cavity 8, the observation through cavity 7 is vertically arranged at the center of the front end surface of the housing 1, the driving cavity 8 is horizontally arranged at one side of the front end surface of the housing 1, the rotation mechanism 2 is rotatably arranged on a rotating shaft in the housing 1, the rotation mechanism 2 comprises a mounting disc 21, a rotating ring 22, single compartments 23 and lug letters 24, the mounting disc 21 is sleeved on the rotating shaft in the housing 1, a plurality of rotating rings 22 which are rotatably connected are arranged on the mounting disc 21, the diameters of the plurality of rotating rings 22 are sequentially decreased, all the rotating rings 22 are coaxial, each rotating ring 22 is provided with twenty-six single compartments 23, each single compartment 23 is fixedly embedded with a convex block letter 24, and twenty-six single compartments 23 on each rotating ring 22 are sequentially and fixedly embedded with twenty-six convex block letters 24; when the teacher guides the student in word combination, the rotating ring 22 corresponding to the driving cavity 8 is rotated, so that the words needed at the letter spelling positions corresponding to the observation through cavities 7 are observed.
Referring to fig. 1 and 3, the amplifying mechanism 3 is installed on the casing 1, the amplifying mechanism 3 includes a threaded rod 31, a threaded connection pipe 32, a rotary ring 33 and an amplifying lens 34, the threaded rod 31 is fixedly installed at the rotation center of the front end face of the casing 1, the threaded rod 31 is sleeved with the threaded connection pipe 32 in threaded connection, the threaded connection pipe 32 is provided with an annular groove, the annular groove is internally sleeved with the rotary ring 33 in rotary connection, one side of the rotary ring 33 is fixedly provided with the amplifying lens 34 with the same shape as the observation through cavity 7, a side wall of the rotary ring 33 is fixedly embedded with a damping rubber pad, the damping rubber pad is abutted against the outer side wall of the casing 1, in order to facilitate the students to watch the corresponding word in the observation through cavity 7, the threaded connection pipe 32 slides along the threaded rod 31 to the side far away from the casing 1, and since the amplifying lens 34 is rotatably connected with the threaded connection pipe 32 through the, and the magnifying glass piece 34 can not rotate along with the rotation of threaded connection pipe 32, consequently adjust the magnifying glass piece 34 and survey the interval of leading to the interior word of chamber 7 to the regulation student that can be nimble watches the size of observing the interior letter of leading to chamber 7, because fixed gomphosis has the damping rubber pad on swivel 33 a lateral wall, consequently swivel 33 needs certain external force just can make swivel 33 rotate along the annular groove, can not lead to swivel 33 to rotate at will.
Referring to fig. 3, the cleaning mechanism 4 is installed inside the housing 1, the cleaning mechanism 4 includes an installation plate 41, a spring 42 and a brush 43, the installation plate 41 is installed inside the housing 1, a side wall of the installation plate 41 is elastically connected with an inner wall of the housing 1 through a plurality of springs 42 with the same specification, the side wall of the installation plate 41 close to the wheel rotating mechanism 2 is fixedly embedded with the brush 43, the brush 43 is tightly contacted with the single compartment 23 on the installation plate 21, the housing 1 below the cleaning mechanism 4 is installed with the dirt storage mechanism 6, the dirt storage mechanism 6 includes a dust collection box 61 and a collection drawer 62, the dust collection box 61 is fixedly installed at the bottom of the housing 1, the collection drawer 62 is inserted into the dust collection box 61 and is in sliding connection, a through hole communicated with the housing 1 is formed at the top of the dust collection box 61, when the rotating ring 22 on the installation plate 21 rotates, the brush 43 on the mounting plate 41 is in close contact with the raised block letters 24 on the cell 23, and the brush 43 can clean the raised block letters 24 because the mounting plate 41 is elastically connected with the spring 42, so that the contact force between the brush 43 and the raised block letters 24 is different for different raised block letters 24.
Referring to fig. 1 and 3, the dehumidifying mechanism 5 is mounted on the casing 1, the dehumidifying mechanism 5 includes a mounting box 51, an air guide hollow strip 52 and a communicating chamber 53, the mounting box 51 is fixedly embedded at the lower side of the front end surface of the casing 1, and the casing 1 below the mounting box 51 is fixedly provided with an air guide hollow strip 52, the mounting box 51 is communicated with the air guide hollow strip 52 through a plurality of elastic hoses, and the air guide hollow strip 52 is provided with a plurality of communicating cavities 53 which are mutually communicated with the shell 1, a metal grid is fixedly arranged on the communicating cavities 53, the mounting box 51 is filled with active carbon particles, because the installation box 51 is filled with activated carbon particles, the activated carbon particles can absorb moisture in the shell 1 through the air guide hollow strips 52 and the communication cavities 53, so that the moisture invasion of various elements on the rotating mechanism 2 is avoided, and the service life of the rotating mechanism 2 is prolonged.
Referring to fig. 1, the bottom plate 9 is connected with the bottom of the housing 1 through a lifting mechanism 9a, the lifting mechanism 9a includes a sleeve 91a, a sliding rod 92a and a threaded fixing rod 93a, one end of the sleeve 91a is fixedly connected with the upper surface of the bottom plate 9, the sliding rod 92a is inserted in the sleeve 91a and is connected with the sliding rod, the other end of the sliding rod 92a extends out of the sleeve 91a and is fixedly connected with the bottom of the housing 1, a threaded through hole is formed in a side wall, close to the top, of the sleeve 91a, a threaded fixing rod 93a is inserted in the threaded through hole, a plurality of locking universal wheels 9b are installed at the bottom of the bottom plate 9 and are uniformly distributed, the height of the housing 1 can be conveniently adjusted through the lifting mechanism 9a, and teachers with different heights can conveniently operate the.
The working principle of the teaching aid for English words provided by the invention is as follows: when a teacher uses the device to teach words to pupils, the rotating ring 22 corresponding to the driving cavity 8 is rotated to make the words needed by the spelling places of the letters corresponding to the observation through cavity 7, and in order to facilitate the students to watch the corresponding words in the observation through cavity 7, the threaded connecting pipe 32 is rotated to slide along the threaded rod 31 to one side far away from the shell 1, and because the amplifying lens 34 is rotatably connected with the threaded connecting pipe 32 through the rotating ring 33, and the amplifying lens 34 cannot rotate along with the rotation of the threaded connecting pipe 32, the distance between the amplifying lens 34 and the words in the observation through cavity 7 is adjusted, so that the size of the letters in the observation through cavity 7 can be flexibly adjusted, because the damping rubber pad is fixedly embedded on one side wall of the rotating ring 33 and is abutted against the outer side wall of the shell 1, the rotating ring 33 can rotate along the annular groove by a certain external force, the random rotation of the rotary ring 33 is avoided, when the rotary ring 22 on the mounting disc 21 rotates, the brush 43 on the mounting plate 41 is in close contact with the lug letters 24 on the single compartment 23, the mounting plate 41 is elastically connected with the spring 42, so that the contact force between the brush 43 and the lug letters 24 is different according to different lug letters 24, the brush 43 can clean the dust, the cleaned dust falls into the centralized drawer 62 and is subjected to subsequent treatment, and the mounting box 51 is filled with activated carbon particles, so that the activated carbon particles can absorb moisture in the shell body 1 through the air guide hollow strips 52 and the communication cavity 53, thereby preventing each element on the rotary mechanism 2 from being wetted, improving the service life of the rotary mechanism 2, facilitating the height adjustment of the shell body 1 through the lifting mechanism 9a, unscrewing the thread fixing rod 93a, so that the slide lever 92a slides out of or into the sleeve 91a, and thus the height of the housing 1 can be adjusted.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The English word teaching aid is characterized by comprising a shell (1), a rotating mechanism (2), an amplifying mechanism (3), a cleaning mechanism (4), a dehumidifying mechanism (5) and a bottom plate (9), wherein an observation through cavity (7) and a driving cavity (8) are formed in the front surface of the shell (1), the observation through cavity (7) is vertically arranged in the center of the front end surface of the shell (1), and the driving cavity (8) is horizontally arranged on one side of the front end surface of the shell (1); the rotating mechanism (2) is rotatably arranged on a rotating shaft in the shell (1); the magnifying mechanism (3) is installed on the shell (1), the magnifying mechanism (3) comprises a threaded rod (31), a threaded connecting pipe (32), a rotating ring (33) and a magnifying lens (34), the threaded rod (31) is fixedly installed at the rotating center of the front end face of the shell (1), the threaded rod (31) is sleeved with the threaded connecting pipe (32) in threaded connection, an annular groove is formed in the threaded connecting pipe (32), the rotating ring (33) in rotating connection is sleeved in the annular groove, the magnifying lens (34) which is the same as the observation through cavity (7) in shape is fixedly installed on one side of the rotating ring (33), a damping rubber pad is fixedly embedded in one side wall of the rotating ring (33), and the damping rubber pad is abutted to the outer side wall of the shell (1); the cleaning mechanism (4) is arranged in the shell (1), and the shell (1) below the cleaning mechanism (4) is provided with a dirt storage mechanism (6); the dehumidification mechanism (5) is arranged on the shell (1); the bottom plate (9) is connected with the bottom of the shell (1) through a lifting mechanism (9 a).
2. The English word teaching aid of claim 1, characterized in that, rotation mechanism (2) include between mounting disc (21), swivel (22), single check (23) and lug letter (24), mounting disc (21) cup joint in the pivot in casing (1), and install on mounting disc (21) a plurality of swivel (22) of rotating the connection, a plurality of the diameter of swivel (22) diminishes in proper order, and all swivel (22) are coaxial, each all be equipped with between twenty six single checks (23) on swivel (22), and all fixed gomphosis have lug letter (24) on each single check (23).
3. English word teaching aid according to claim 2, characterized in that twenty-six lug letters (24) are fixedly embedded in sequence in twenty-six cell spaces (23) on each rotating ring (22).
4. English word teaching aid of claim 1, characterized in that, clean mechanism (4) includes mounting panel (41), spring (42) and brush (43), mounting panel (41) set up the inside at casing (1), the inner wall elastic connection of spring (42) and casing (1) that a plurality of specifications are the same is passed through to a lateral wall of mounting panel (41), and the fixed gomphosis of lateral wall that mounting panel (41) are close to rotation mechanism (2) has brush (43), between single compartment (23) in close contact with on brush (43) and the mounting disc (21).
5. The English word teaching aid of claim 1, wherein the dirt storage mechanism (6) comprises a dust collection box (61) and a scale collection drawer (62), the dust collection box (61) is fixedly installed at the bottom of the housing (1), the scale collection drawer (62) in sliding connection is inserted into the dust collection box (61), and through holes communicated with the housing (1) are formed in the top of the dust collection box (61).
6. The English word teaching aid of claim 1, characterized in that dehumidification mechanism (5) includes mounting box (51), air guide cavity strip (52) and intercommunication chamber (53), the downside of terminal surface before casing (1) is fixed the gomphosis in mounting box (51), and casing (1) fixed mounting below mounting box (51) has air guide cavity strip (52), mounting box (51) and air guide cavity strip (52) are through a plurality of flexible hose intercommunication, and air guide cavity strip (52) set up intercommunication chamber (53) of a plurality of and casing (1) intercommunication each other, fixed mounting has the metal graticule mesh on intercommunication chamber (53), mounting box (51) intussuseption is filled with the active carbon granule.
7. The English word teaching aid of claim 1, wherein the lifting mechanism (9a) comprises a sleeve (91a), a sliding rod (92a) and a threaded fixing rod (93a), one end of the sleeve (91a) is fixedly connected with the upper surface of the bottom plate (9), the sliding rod (92a) is inserted in the sleeve (91a) and is in sliding connection, the other end of the sliding rod (92a) extends out of the sleeve (91a) and is fixedly connected with the bottom of the shell (1), a threaded through hole is formed in the side wall, close to the top, of the sleeve (91a), the threaded fixing rod (93a) is inserted in the threaded through hole and is in threaded connection, and a plurality of locking universal wheels (9b) are uniformly distributed at the bottom of the bottom plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010668145.4A CN111768656A (en) | 2020-07-13 | 2020-07-13 | English word teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010668145.4A CN111768656A (en) | 2020-07-13 | 2020-07-13 | English word teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111768656A true CN111768656A (en) | 2020-10-13 |
Family
ID=72725057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010668145.4A Withdrawn CN111768656A (en) | 2020-07-13 | 2020-07-13 | English word teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111768656A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB786813A (en) * | 1955-08-19 | 1957-11-27 | Theodor Ebersold | Improvements in floor polishing and similar machines |
| CN2519656Y (en) * | 2001-11-08 | 2002-11-06 | 胡启灵 | Pedal type shoes sole cleaner |
| CN103271712A (en) * | 2013-05-01 | 2013-09-04 | 沈同文 | Automatic carpet |
| CN107731014A (en) * | 2017-11-28 | 2018-02-23 | 张丽萍 | A kind of juvenile's English teaching remittance Graphic Panel |
| CN208584534U (en) * | 2018-07-12 | 2019-03-08 | 久利科技（苏州）有限公司 | A kind of transformer insulated cardboard storage support tooling |
| CN109530376A (en) * | 2019-01-07 | 2019-03-29 | 安徽琼钰刷业有限公司 | A kind of glassware brush for cleaning use cleaning device |
| CN210639767U (en) * | 2019-08-26 | 2020-05-29 | 西安国顺机电工程有限公司 | Artificial intelligence teaching all-in-one machine |
-
2020
- 2020-07-13 CN CN202010668145.4A patent/CN111768656A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB786813A (en) * | 1955-08-19 | 1957-11-27 | Theodor Ebersold | Improvements in floor polishing and similar machines |
| CN2519656Y (en) * | 2001-11-08 | 2002-11-06 | 胡启灵 | Pedal type shoes sole cleaner |
| CN103271712A (en) * | 2013-05-01 | 2013-09-04 | 沈同文 | Automatic carpet |
| CN107731014A (en) * | 2017-11-28 | 2018-02-23 | 张丽萍 | A kind of juvenile's English teaching remittance Graphic Panel |
| CN208584534U (en) * | 2018-07-12 | 2019-03-08 | 久利科技（苏州）有限公司 | A kind of transformer insulated cardboard storage support tooling |
| CN109530376A (en) * | 2019-01-07 | 2019-03-29 | 安徽琼钰刷业有限公司 | A kind of glassware brush for cleaning use cleaning device |
| CN210639767U (en) * | 2019-08-26 | 2020-05-29 | 西安国顺机电工程有限公司 | Artificial intelligence teaching all-in-one machine |
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Application publication date: 20201013 |