CN111754824A - English writing training tool - Google Patents

English writing training tool Download PDF

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Publication number
CN111754824A
CN111754824A CN202010754282.XA CN202010754282A CN111754824A CN 111754824 A CN111754824 A CN 111754824A CN 202010754282 A CN202010754282 A CN 202010754282A CN 111754824 A CN111754824 A CN 111754824A
Authority
CN
China
Prior art keywords
base
writing
support
english
frame
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.)
Pending
Application number
CN202010754282.XA
Other languages
Chinese (zh)
Inventor
侯晓慧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Puyang Vocational and Technical College
Original Assignee
Puyang Vocational and Technical College
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Puyang Vocational and Technical College filed Critical Puyang Vocational and Technical College
Priority to CN202010754282.XA priority Critical patent/CN111754824A/en
Publication of CN111754824A publication Critical patent/CN111754824A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00Electrically-operated educational appliances
    • G09B5/02Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B97/00Furniture or accessories for furniture, not provided for in other groups of this subclass
    • A47B97/04Easels or stands for blackboards or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00Repeatedly-usable boards or tablets for writing or drawing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00Blackboard or slate cleaning devices
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00Teaching not covered by other main groups of this subclass
    • G09B19/06Foreign languages

Abstract

The utility model provides a pair of training instrument is write to english, including support, base and the clipboard that has the wiping ability, the clipboard rotates to be connected on the support, is provided with the bracing piece that supports the clipboard on the base, and the support sets up on the base through high adjustment mechanism, can adjust the clipboard through high adjustment mechanism for the height of base, under the effect of bracing piece, can be located horizontality or vertical state with the clipboard. This scheme is favorable to accomodating and using of writing the instrument, and it is very convenient to operate to, reduced the english and write the space that the training instrument took when accomodating, optimized the english and write the training worker and have the performance. In addition, the writing board with the wiping capability saves the application of paper and reduces the cost of English writing training. The writing board comprises a frame and a writing body, wherein a writing tool and a wiping body are fixed on the frame, and the English writing training tool convenient to use by the scheme has application.

Description

English writing training tool
Technical Field
The disclosure relates to the field of teaching tools, in particular to an English writing training tool.
Background
English is the most common language in the world and has good universality all over the world, so English teaching is one of the most popular subjects in the world. However, in most countries, english is not the native language, and it is difficult to effectively improve english in terms of spoken language, writing, and the like. In the prior art, along with the development of electronic technology, various spoken language coaching tools are more and more, the mode that people learn spoken language is also more and more various, and the spoken language exercise has obtained rapid promotion.
To the improvement of english writing ability, most adopt the paper to write the training mode exercise, this kind of training mode can cause a large amount of wastes of paper, has improved the cost that english written the training.
Disclosure of Invention
The utility model provides a pair of training instrument is write to english aims at solving among the prior art technical problem that english writing training is with high costs.
The invention discloses an English writing training tool, which comprises a support, a base and a writing board with wiping capability, wherein the writing board is rotationally connected to the support, a supporting rod for supporting the writing board is arranged on the base, one end of the supporting rod is rotationally connected to the base, the other end of the supporting rod is rotationally connected to the writing board, the supporting rod is matched with the support to position the writing board to a writing state, the support is fixed on the base through a height adjusting mechanism, the height of the support relative to the base is adjusted through the height adjusting mechanism, in addition, the height adjusting mechanism is matched with the support and the supporting rod to limit the state of the writing board, the writing board comprises a frame, a writing body is arranged on the frame, a writing tool and a wiping body for wiping the writing body are further fixed on the frame, wherein be provided with the location on the frame writing tool's mount, the mount passes through the fix with screw in on the frame be provided with the joint on the mount writing tool just has the joint body of elastic deformation ability, wipe the body adsorb in on the frame be provided with the permanent magnet on the frame wipe be provided with on the body with the actuation body of the mutual actuation of permanent magnet, be provided with on the frame and hold the recess of permanent magnet, the thickness of permanent magnet is less than the degree of depth 0.5 millimeter to 0.8 millimeter of recess.
The utility model provides a pair of training instrument is write to english, including support, base and the clipboard that has the wiping ability, the clipboard rotates to be connected on the support, is provided with the bracing piece that supports the clipboard on the base, and the support sets up on the base through high adjustment mechanism, can adjust the clipboard through high adjustment mechanism for the height of base, under the effect of bracing piece, can be located horizontality or vertical state with the clipboard. This scheme is favorable to accomodating and using of writing the instrument, and it is very convenient to operate to, reduced the english and write the space that the training instrument took when accomodating, optimized the english and write the training worker and have the performance. In addition, the writing board with the wiping capability saves the application of paper and reduces the cost of English writing training. The writing board includes the frame and writes the body, is fixed with writing tool and wiping the body on the frame, and this scheme is convenient for english and is write training instrument and have the application to, writing tool and wiping the body and be difficult for losing, have optimized the performance that english was written training instrument.
Preferably, a limit block is arranged on the height adjusting mechanism, the limit block limits the height of the bracket relative to the base, and the limit block enables the writing board to be in a horizontal state by limiting the height of the bracket relative to the base.
The setting up of stopper makes the clipboard easily adjust, can conveniently adjust the clipboard to the horizontality, has optimized the operating performance that the training instrument was write to the english.
Preferably, the height adjusting mechanism comprises a sleeve rotatably connected to the base and an adjusting rod matched with the sleeve, an internal thread is arranged in the sleeve, an external thread matched with the internal thread in the sleeve is arranged on the adjusting rod, the adjusting rod is fixed on the frame, the limiting block is arranged on the adjusting rod, and the limiting block and the adjusting rod are of an integrated structure.
The arrangement of the sleeve and the adjusting rod enables the height adjusting mechanism to have stepless adjusting capacity, and the performance of the height adjusting mechanism is optimized.
Preferably, the base is provided with an assembly groove, the sleeve is rotatably connected in the assembly groove, and a rolling bearing is arranged between the sleeve and the assembly groove.
The sleeve and the base are good in assembly performance and flexible in rotation, and the operation performance of the height adjusting mechanism is optimized.
Preferably, a driving mechanism for driving the sleeve to rotate is arranged on the base, the driving mechanism comprises a crank rocker mechanism and a gear transmission mechanism, a pedal is further arranged on the base, the pedal is rotationally connected to the base, an elastic piece for supporting the pedal to return is further arranged on the base, the pedal drives a rocker in the crank rocker mechanism to swing, the gear transmission mechanism comprises a driving gear rotationally connected to the base and a driven gear rotationally synchronous with the sleeve, the driving gear and the driven gear are both bevel gears, the driving gear is meshed with the driven gear, and the driving gear is driven by a crank of the crank rocker mechanism to rotate.
The height adjusting mechanism is convenient to operate due to the arrangement of the driving mechanism, and the operation performance of the English writing training tool is optimized.
Preferably, a hole body is arranged on a rocker of the crank-rocker mechanism, a cylinder matched with the hole body is arranged on the driving gear, the cylinder is rotatably connected with the hole body, the cylinder and the driving gear are of an integrated structure, and lubricating grease is coated between the hole body and the cylinder.
The performance of the driving mechanism is optimized, and the stability of the driving mechanism is improved.
Preferably, the holder is further provided with a display, the holder is further provided with a recognizer for recognizing the writing on the writing board, the holder is provided with a memory, the recognizer recognizes that the writing on the writing board is displayed on the display, and the memory stores the picture recognized by the recognizer.
This scheme can be preserved the handwriting after the user writes, when the user needs to page or contrast, can conveniently call out the handwriting of writing before, has optimized the performance that the training instrument was write to the english.
Preferably, a power supply is arranged on the base, the memory, the display and the identifier are all powered by the power supply, a USB interface is arranged on the memory, a plug which seals the USB interface and has elastic deformation capacity is further arranged on the memory, and the plug is fixed on the memory through a flexible wire.
The scheme enables the images recognized by the recognizer to be transmitted, and the performance of the English writing training tool is optimized.
Preferably, a charging interface for charging the power supply is further arranged on the base, a cover for covering the charging interface is further arranged on the base, the cover is rotatably connected to the base through a hinge, a bayonet for fixing the cover is arranged on the base, and a clamping column which is matched with the bayonet and has elastic deformation capacity is arranged on the cover.
The power fixity can be good, has improved the stability that training instrument was write to the english.
Preferably, a containing groove for containing the power supply is formed in the base, the power supply is fixed in the containing groove through screws, the power supply comprises a shell, radiating fins are evenly distributed on the shell, radiating holes are formed in the radiating fins, and the radiating holes penetrate through the radiating fins.
The arrangement of the radiating fins improves the radiating efficiency of the power supply and prolongs the service life of the power supply.
Compared with the prior art, the English writing training tool provided by the disclosure has the following advantages:
1. the book fixing plate with the wiping capability has the advantage of repeated use, and the cost of English writing training is reduced.
2. The setting up of altitude mixture control mechanism and bracing piece makes the clipboard have the ability of accomodating to reduced the space that the training instrument was taken when accomodating is write to the english, further optimized the performance that the training instrument was write to the english.
3. The thickness of the permanent magnet is smaller than the depth of the groove, and the permanent magnet belongs to a brittle material, so that the permanent magnet can be prevented from being damaged, and the service life of the permanent magnet is prolonged.
Drawings
FIG. 1 is a schematic illustration of one embodiment of the present disclosure.
Fig. 2 is an enlarged view of a portion a of fig. 1.
Fig. 3 is a schematic view of an embodiment of the tablet in a horizontal position.
Fig. 4 is a schematic view of an embodiment of the tablet in an upright position.
Figure 5 is a schematic view of one embodiment of the connection of the wipe body to the frame.
FIG. 6 is a schematic view of one embodiment of a drive mechanism.
Detailed Description
The technical solution of the present disclosure is further explained below. The following description is given for the purpose of illustration only and not for the purpose of limitation, the nature and operation of which will become apparent from the following description.
As shown in fig. 1, 2, and 5, an english writing training tool includes a support 1, a base 2, and a writing board 3 with a wiping capability, the writing board 3 is rotatably connected to the support 1, a support rod 4 is provided on the base 2 for supporting the writing board 3, one end of the support rod 4 is rotatably connected to the base 2, the other end of the support rod 4 is rotatably connected to the writing board 3, the support rod 4 is matched with the support 1 to position the writing board 3 to a writing state, wherein the support 1 is fixed to the base 2 through a height adjusting mechanism 5, the height adjusting mechanism 5 adjusts the height of the support 1 relative to the base 2, and the height adjusting mechanism 5 is matched with the support 1 and the support rod 4 to limit the state of the writing board 3.
The writing board 3 includes the frame 6 be provided with the writing body 7 on the frame 6 still be fixed with writing instrument 8 and wipe on the frame 6 the wiping body 9 of the writing body 7, wherein be provided with the location on the frame 6 writing instrument 8's mount, the mount passes through the fix with screw in on the frame 6 be provided with the joint on the mount writing instrument 8 just has the joint body of elastic deformation ability, wiping body 9 adsorb in on the frame 6 be provided with permanent magnet 10 on the frame 6 be provided with on the wiping body 9 with the body 11 that attracts each other of permanent magnet 10, be provided with on the frame 6 and hold the recess of permanent magnet 10, the thickness of permanent magnet 10 is less than the degree of depth 0.5 millimeter to 0.8 millimeter of recess.
In this scheme, the adoption has the clipboard 3 of wiping ability to replace the paper, and clipboard 3 has the ability of using repeatedly to, greatly reduced the use cost of training instrument is write to the english.
In addition, the setting of height adjusting mechanism 5 makes clipboard 3 have level and vertical two kinds of states to be favorable to accomodating of training instrument is write to the english, reduced the space that training instrument was taken when accomodating is write to the english.
The height adjusting mechanism 5, the support rod 4 and the writing instrument 8 are matched to have the characteristic of a four-bar mechanism, so that the state of the writing board 3 is adjusted.
As shown in fig. 1, in one possible embodiment, a limit block 12 is disposed on the height adjusting mechanism 5, the limit block 12 defines the height of the bracket 1 relative to the base 2, and the limit block 12 enables the writing board 3 to be in a horizontal state by defining the height of the bracket 1 relative to the base 2.
Clipboard 3 is changeed when the horizontality and is write, consequently, the setting up of stopper 12 has optimized the performance that the training instrument was write to the english.
In addition, everyone's writing state may not be the same, and clipboard 3's state can be adjusted at the certain limit, and everyone can be according to the state of writing habit adjustment clipboard 3 of oneself, has optimized clipboard 3's performance.
As shown in fig. 1, fig. 2, fig. 3, and fig. 4, in a possible embodiment, the height adjusting mechanism 5 includes a sleeve 13 rotatably connected to the base 2 and an adjusting rod 14 engaged with the sleeve 13, an internal thread is disposed in the sleeve 13, an external thread engaged with the internal thread in the sleeve 13 is disposed on the adjusting rod 14, the adjusting rod 14 is fixed on the frame 6, the limiting block 12 is disposed on the adjusting rod 14, and the limiting block 12 and the adjusting rod 14 are of an integrated structure.
Still be provided with guiding mechanism between base 2 and support 1, guiding mechanism includes interior pole and outer pole, and interior pole cover is located in the outer pole to, interior pole slides along the outer pole, and wherein, interior pole can be fixed in on support 1, and the outer pole can be fixed in on base 2. The fixing mode and the fixing position of the inner rod and the outer rod are not limited and can be freely selected. The guide mechanism is matched with the sleeve 13 and the adjusting rod 14 to be similar to a screw nut pair, and the scheme can conveniently realize the height adjustment of the bracket 1.
An assembly groove is formed in the base 2, the sleeve 13 is rotatably connected into the assembly groove, and a rolling bearing is arranged between the sleeve 13 and the assembly groove.
In this embodiment, the height adjusting mechanism 5 may be replaced by other structures, such as a structure with a telescopic capability, such as a hydraulic cylinder.
As shown in fig. 6, in a possible embodiment, a driving mechanism for driving the sleeve 13 to rotate is arranged on the base 2, the driving mechanism comprises a crank-rocker mechanism and a gear transmission mechanism, a pedal 15 is further arranged on the base 2, the pedal 15 is rotatably connected to the base 2, and, the base 2 is also provided with an elastic part 16 for supporting the pedal 15 to return, the pedal 15 drives a rocker in the crank rocker mechanism to swing, the gear transmission mechanism comprises a driving gear 17 which is rotationally connected to the base 2 and a driven gear 18 which synchronously rotates with the sleeve 13, the driving gear 17 and the driven gear 18 are both bevel gears, the driving gear 17 and the driven gear 18 are engaged with each other, and the driving gear 17 is rotated by a crank of the crank and rocker mechanism.
The elastic member 16 may be a spring or the like. Because frequent accomodating or expansion on the clipboard 3 need not, consequently, adopt this actuating mechanism to realize driving function completely to, be favorable to reducing the manufacturing cost of english writing training instrument.
The crank rocker mechanism is a common four-bar mechanism in the prior art, and the using method and the arrangement mode thereof refer to the prior art and are not described in detail herein.
The crank rocker mechanism is characterized in that a rocker of the crank rocker mechanism is provided with a hole body, the driving gear 17 is provided with a cylinder matched with the hole body, the cylinder is rotatably connected with the hole body, the cylinder and the driving gear 17 are of an integrated structure, and lubricating grease is coated between the hole body and the cylinder.
The driving mechanism can be replaced by other structures, such as a motor and the like, and the specific structure of the driving mechanism is not limited and can be freely selected by a person skilled in the art.
In a possible embodiment, a display 19 is further provided on the support 1, a recognizer 20 for recognizing the writing on the writing board 3 is further provided on the support 1, a memory 21 is provided on the support 1, the recognizer 20 recognizes that the writing on the writing board 3 is displayed by the display 19, and the memory 21 stores the picture recognized by the recognizer 20.
The display 19 may be bolted to the stand 1 and the display 19 should be positioned above the tablet 3 to facilitate viewing.
The identifier 20 may be a scanner or an image capture device, and the structure of the identifier 20 is not limited and may be freely selected. The identifier 20 can be arranged on the support 1 by using a flexible support 1 with supporting capability, and the fixing mode of the identifier 20 is not limited, but the identifier 20 can be ensured to identify all the writing on the writing board 3.
In a possible embodiment, a power supply is disposed on the base 2, the memory 21, the display 19 and the identifier 20 are all powered by the power supply, a USB interface is disposed on the memory 21, a plug which seals the USB interface and has elastic deformation capability is further disposed on the memory 21, and the plug is fixed on the memory 21 through a flexible wire.
The base 2 is further provided with a charging interface for charging the power supply, the base 2 is further provided with a cover for covering the charging interface, the cover is rotatably connected to the base 2 through a hinge, the base 2 is provided with a bayonet for fixing the cover, and the cover is provided with a clamping column which is matched with the bayonet and has elastic deformation capacity.
The base 2 is provided with a containing groove for containing the power supply, the power supply is fixed in the containing groove through screws and comprises a shell, radiating fins are evenly distributed on the shell, radiating holes are formed in the radiating fins, and the radiating holes penetrate through the radiating fins. The housing and the heat sink may be of an integral structure.
The base 2 can be further provided with a filter screen, and the filter screen covers the groove for accommodating the power supply, so that impurities are prevented from falling into the groove, and the heat dissipation efficiency of the power supply is reduced.
The technical schemes/technical characteristics can be freely combined to form a new technical scheme on the premise of no conflict so as to obtain more excellent technical effects.
The above are only preferred embodiments of the present disclosure, which are intended to embody the prominent technical effects and advantages of the present disclosure, and not to limit the technical solutions of the present disclosure. Those skilled in the art should understand that all modifications, variations or alternative technical features made based on the technical contents of the present disclosure should be included in the technical scope of the claims appended to the present disclosure.

Claims (10)

1. The utility model provides a training instrument is write to english, includes support (1), base (2) and clipboard (3) that possess wiping ability, its characterized in that: the writing board (3) is rotatably connected to the support (1), the base (2) is provided with a support rod (4) for supporting the writing board (3), one end of the support rod (4) is rotatably connected to the base (2), the other end of the support rod (4) is rotatably connected to the writing board (3), the support rod (4) is matched with the support (1) to position the writing board (3) to a writing state, the support (1) is fixed to the base (2) through a height adjusting mechanism (5), the height adjusting mechanism (5) adjusts the height of the support (1) relative to the base (2), the height adjusting mechanism (5) is matched with the support (1) and the support rod (4) to limit the state of the writing board (3), the writing board (3) comprises a frame (6), a writing body (7) is arranged on the frame (6), a writing tool (8) and a wiping body (9) for wiping the writing body (7) are fixed on the frame (6), wherein a fixing frame for positioning the writing tool (8) is arranged on the frame (6), the fixing frame is fixed on the frame (6) through screws, a clamping body which is clamped with the writing tool (8) and has elastic deformation capacity is arranged on the fixed frame, the wiping body (9) is adsorbed on the frame (6), a permanent magnet (10) is arranged on the frame (6), an attraction body (11) which is mutually attracted with the permanent magnet (10) is arranged on the wiping body (9), the frame (6) is provided with a groove for accommodating the permanent magnet (10), the thickness of the permanent magnet (10) is 0.5 mm to 0.8 mm smaller than the depth of the groove.
2. The english writing training tool of claim 1, wherein: the height adjusting mechanism (5) is provided with a limiting block (12), the limiting block (12) limits the height of the support (1) relative to the base (2), and the limiting block (12) enables the writing board (3) to be in a horizontal state by limiting the height of the support (1) relative to the base (2).
3. The english writing training tool of claim 2, wherein: height adjusting mechanism (5) including rotate connect in sleeve (13) on base (2) and with sleeve (13) complex are adjusted pole (14), be provided with the internal thread in sleeve (13) adjust pole (14) on be provided with internal thread complex external screw thread in sleeve (13), adjust pole (14) and be fixed in on frame (6), stopper (12) set up in adjust pole (14) on, stopper (12) with adjust pole (14) formula structure as an organic whole.
4. The english writing training tool of claim 3, wherein: the base (2) is provided with an assembly groove, the sleeve (13) is rotatably connected in the assembly groove, and a rolling bearing is arranged between the sleeve (13) and the assembly groove.
5. The English writing training tool of claim 4, wherein: a driving mechanism for driving the sleeve (13) to rotate is arranged on the base (2), the driving mechanism comprises a crank rocker mechanism and a gear transmission mechanism, a pedal (15) is also arranged on the base (2), the pedal (15) is rotationally connected to the base (2), and, an elastic piece (16) for supporting the pedal (15) to return is also arranged on the base (2), the pedal (15) drives a rocker in the crank-rocker mechanism to swing, the gear transmission mechanism comprises a driving gear (17) which is rotationally connected to the base (2) and a driven gear (18) which synchronously rotates with the sleeve (13), the driving gear (17) and the driven gear (18) are both bevel gears, and the driving gear (17) is meshed with the driven gear (18), and the driving gear (17) is driven by a crank of the crank rocker mechanism to rotate.
6. The english writing training tool of claim 5, wherein: the crank rocker mechanism is characterized in that a rocker of the crank rocker mechanism is provided with a hole body, the driving gear (17) is provided with a cylinder matched with the hole body, the cylinder is rotatably connected with the hole body, the cylinder and the driving gear (17) are of an integrated structure, and lubricating grease is coated between the hole body and the cylinder.
7. The english writing training tool of claim 1, wherein: still be provided with display (19) on support (1) still be provided with discernment on support (1) recognizer (20) of writing on clipboard (3) be provided with memory (21) on support (1), recognizer (20) discernment writing on clipboard (3) by display (19) show, and, memory (21) storage the picture of recognizer (20) discernment.
8. The english writing training tool of claim 7, wherein: the base (2) is provided with a power supply, the memory (21), the display (19) and the identifier (20) are powered by the power supply, the memory (21) is provided with a USB interface, the memory (21) is further provided with a plug which seals the USB interface and has elastic deformation capacity, and the plug is fixed on the memory (21) through a flexible wire.
9. The english writing training tool of claim 8, wherein: still be provided with on base (2) to the interface that charges that the power charges, still be provided with the lid on base (2) and close the lid of the interface that charges, the lid pass through the hinge rotate connect in on base (2) be provided with on base (2) and fix the bayonet socket of lid be provided with on the lid with the bayonet socket cooperation just has the card post of elastic deformation ability.
10. The english writing training tool of claim 9, wherein: the base (2) is provided with a containing groove for containing the power supply, the power supply is fixed in the containing groove through screws, the power supply comprises a shell, radiating fins are evenly distributed on the shell, radiating holes are formed in the radiating fins, and the radiating holes penetrate through the radiating fins.
CN202010754282.XA 2020-07-30 2020-07-30 English writing training tool Pending CN111754824A (en)

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Application Number Priority Date Filing Date Title
CN202010754282.XA CN111754824A (en) 2020-07-30 2020-07-30 English writing training tool

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Application Number Priority Date Filing Date Title
CN202010754282.XA CN111754824A (en) 2020-07-30 2020-07-30 English writing training tool

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Publication Number Publication Date
CN111754824A true CN111754824A (en) 2020-10-09

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CN202010754282.XA Pending CN111754824A (en) 2020-07-30 2020-07-30 English writing training tool

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Publication number Priority date Publication date Assignee Title
CN87200804U (en) * 1987-01-23 1987-12-02 郭广民 Board for tracing characters
CN204576859U (en) * 2015-04-30 2015-08-19 张转玲 A kind of junior middle school Chinese teaching outdoor equipment
CN206388349U (en) * 2016-08-29 2017-08-08 兰州职业技术学院 A kind of Numerical Control Specialty English teaching Graphic Panel
CN107749259A (en) * 2017-09-28 2018-03-02 江阴市永昌交通机械部件有限公司 A kind of traffic machinery Graphic Panel for being easy to regulation
CN207123951U (en) * 2017-05-16 2018-03-20 陕西学前师范学院 A kind of Mathematics geometric extent movable teaching board
CN108577200A (en) * 2018-05-31 2018-09-28 温海青 A kind of architectural design drawing draft holder integrated with displaying
CN109935161A (en) * 2017-12-18 2019-06-25 王济龙 A kind of gardens direction board being conveniently replaceable
CN209769516U (en) * 2018-11-13 2019-12-13 陈灵芝 Drawing board for planar design with multi-angle is adjusted
CN111081202A (en) * 2020-01-13 2020-04-28 许昌学院 Pedal type metronome for music playing
CN210902165U (en) * 2018-08-31 2020-07-03 公隆实业股份有限公司 Changeable movable table body
CN111429762A (en) * 2020-03-18 2020-07-17 徐杰 Computer-aided education teaching equipment

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87200804U (en) * 1987-01-23 1987-12-02 郭广民 Board for tracing characters
CN204576859U (en) * 2015-04-30 2015-08-19 张转玲 A kind of junior middle school Chinese teaching outdoor equipment
CN206388349U (en) * 2016-08-29 2017-08-08 兰州职业技术学院 A kind of Numerical Control Specialty English teaching Graphic Panel
CN207123951U (en) * 2017-05-16 2018-03-20 陕西学前师范学院 A kind of Mathematics geometric extent movable teaching board
CN107749259A (en) * 2017-09-28 2018-03-02 江阴市永昌交通机械部件有限公司 A kind of traffic machinery Graphic Panel for being easy to regulation
CN109935161A (en) * 2017-12-18 2019-06-25 王济龙 A kind of gardens direction board being conveniently replaceable
CN108577200A (en) * 2018-05-31 2018-09-28 温海青 A kind of architectural design drawing draft holder integrated with displaying
CN210902165U (en) * 2018-08-31 2020-07-03 公隆实业股份有限公司 Changeable movable table body
CN209769516U (en) * 2018-11-13 2019-12-13 陈灵芝 Drawing board for planar design with multi-angle is adjusted
CN111081202A (en) * 2020-01-13 2020-04-28 许昌学院 Pedal type metronome for music playing
CN111429762A (en) * 2020-03-18 2020-07-17 徐杰 Computer-aided education teaching equipment

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