CN108682193B - Computer-aided teaching device - Google Patents

Computer-aided teaching device Download PDF

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Publication number
CN108682193B
CN108682193B CN201810438954.9A CN201810438954A CN108682193B CN 108682193 B CN108682193 B CN 108682193B CN 201810438954 A CN201810438954 A CN 201810438954A CN 108682193 B CN108682193 B CN 108682193B
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CN
China
Prior art keywords
rod
supporting
connecting rod
hole
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
Application number
CN201810438954.9A
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Chinese (zh)
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CN108682193A (en
Inventor
靳晋
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Dezhou Vocational and Technical College
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Dezhou Vocational and Technical College
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Filing date
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Application filed by Dezhou Vocational and Technical College filed Critical Dezhou Vocational and Technical College
Priority to CN201810438954.9A priority Critical patent/CN108682193B/en
Publication of CN108682193A publication Critical patent/CN108682193A/en
Application granted granted Critical
Publication of CN108682193B publication Critical patent/CN108682193B/en
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    • 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/54Accessories

Abstract

The invention discloses a computer-aided teaching device, and mainly relates to the field of teaching supplies. Including the bed plate, the bed plate bottom is equipped with the universal wheel, the bed plate tip is equipped with and holds the pole, it is equipped with two holding tanks along the vertical direction that holds the pole on the pole to hold, articulated connecting rod in the holding tank, the one end that holds the pole of keeping away from of connecting rod is equipped with the bracing piece, be equipped with a plurality of curtain couple holes on the lateral wall of bracing piece, hold and rotate on the pole and connect the projecting apparatus supporting shoe, be equipped with the projecting apparatus mounting groove on the projecting apparatus supporting shoe. The invention has the beneficial effects that: can conveniently use under the classroom environment, reduce the occupation to the blackboard area, reduce the influence to writing slower student, be convenient for remove, be convenient for use under environment such as open air, the going on smoothly of the teaching of being convenient for, easy operation, convenient to use.

Description

Computer-aided teaching device
Technical Field
The invention relates to the field of teaching supplies, in particular to a computer-aided teaching device.
Background
Teaching is the important mode of knowledge teaching, along with the development of science and technology, the teaching mode that uses multimedia such as computer, projecting apparatus to carry out teaching as main teaching media has begun to replace traditional teaching mode, and the appearance of computer teaching has strengthened the interest for the classroom is taught lively more, receives teachers's favor, and traditional computer teaching in-process, the teacher will generally be done the operation while explaining on the podium. The mode commonly used is usually through the projecting apparatus with the blackboard of electronic courseware projection to the podium on, write easily and the projection overlaps on the blackboard this moment, the study is watched in the influence, and because the projection occupies the blackboard area, the teacher need not write in projection department on the blackboard, because the area reduces, need repeatedly to clean the content of writing and just can teach smoothly, to writing slower classmate a bit, possibly can influence its timely record note information, influence teaching effect, can not fully provided the lecture needs of teaching, in addition, this type of teaching device structure function is too single, the operation panel is difficult for removing, when needing to take the student to teach in the open air, inconvenient use, be unfavorable for going on of teaching.
Disclosure of Invention
The invention aims to provide a computer-assisted teaching device which can be conveniently used in a classroom environment, reduces the occupation of the blackboard area, reduces the influence on students who write slowly, is convenient to move, is convenient to use in environments such as the open air and the like, is convenient to smoothly perform teaching, and is simple to operate and convenient to use.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a computer-aided teaching device, includes the bed plate, the bed plate bottom is equipped with the universal wheel, the bed plate tip is equipped with and holds the pole, it is equipped with two holding tanks along the vertical direction that holds the pole on the pole to hold, articulated connecting rod in the holding tank, the one end that holds the pole of keeping away from of connecting rod is equipped with the bracing piece, be equipped with a plurality of curtain couple holes on the lateral wall of bracing piece, hold and rotate on the pole and connect the projecting apparatus supporting shoe, be equipped with the projecting apparatus mounting groove on the projecting apparatus supporting shoe.
The connecting rod includes head rod and second connecting rod, the head rod is articulated with the holding tank, the one end of keeping away from the holding rod of head rod is equipped with the U type and rotates the support, it is connected with the second connecting rod rotation to rotate the support.
The connecting rod is provided with a positioning hole, the accommodating groove is internally provided with a plurality of auxiliary positioning holes matched with the positioning hole, and an auxiliary positioning rod is arranged between the auxiliary positioning holes and the positioning hole.
The support rod comprises a first support rod and a second support rod, the second support rod is sleeved outside the first support rod, a plurality of support positioning holes are formed in the first support rod, auxiliary support positioning holes matched with the support positioning holes are formed in the second support rod, and a bolt is movably arranged between each auxiliary support positioning hole and each support positioning hole.
The utility model discloses a pressure bar fixing device for the medical instrument, including bed plate, supporting shoe, movable clamp plate that is equipped with between supporting shoe and the backup pad, be equipped with a plurality of through-holes on the supporting shoe, wear to establish fixed needle in the through-hole, the one end that is close to the backup pad of fixed needle is established and is connected with the clamp plate, be equipped with the hole of wearing in the backup pad, wear to establish the slide bar in wearing out the hole, the slide bar upwards passes the articulated depression bar of the one end of wearing the hole, be equipped with the depression bar support in the backup.
And a spring is arranged between the pressing plate and the supporting block.
The pressing rod is provided with a limiting groove, the side wall of the supporting block is provided with a hanging rod, and a fixing rope is arranged between the hanging rod and the limiting groove.
Bracing piece lateral wall bottom position department is equipped with the support quarter butt, be equipped with a spacing section of thick bamboo on the support quarter butt, be equipped with rectangular shape shifting chute on the spacing section of thick bamboo lateral wall, spacing bobbin base portion is equipped with and passes the hole, wear to establish the carriage release lever in the spacing section of thick bamboo, be equipped with the pulling handle that suits with the shifting chute on the carriage release lever.
The limiting device is characterized in that a limiting block is arranged on the fixed rod, an L-shaped limiting plate is hinged to the side wall of the limiting barrel, a through groove matched with the fixed rod is formed in the horizontal end of the limiting plate, and the distance between the two side walls of the through groove is smaller than the diameter of the limiting block.
The projector support block is an arc-shaped projector support block, the projector support block is provided with a fixing hole, the base plate is provided with a plurality of auxiliary fixing holes matched with the fixing hole, and a fixing inserted rod is arranged between the fixing hole and the auxiliary fixing holes in a penetrating mode.
Compared with the prior art, the invention has the beneficial effects that:
the supporting shoe that sets up the placement projecting apparatus that rotates on the pole that holds of bed plate tip, the supporting shoe can rotate and change the position, the angular position of the adjustment projecting apparatus of being convenient for, articulated connecting rod on holding the pole, set up the bracing piece on the connecting rod, hang the curtain on the bracing piece, with the projecting apparatus projection on the curtain, become the isolated plant, the projection does not occupy the blackboard area, reduce the influence to writing slower student, the student can sit and watch mr's projection content on the both sides of bed plate, and is comparatively convenient, be convenient for use under the classroom environment, it can remove to set up the universal wheel bottom the bed plate, be convenient for remove the device and use under environment such as open air, be convenient for go on smoothly of teaching, the operation is simple, high durability and convenient for use.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
The reference numbers in the drawings: 1. a base plate; 2. an accommodating rod; 3. accommodating grooves; 4. a connecting rod; 5. a support bar; 6. a hook hole; 7. a projector support block; 8. a projector mounting groove; 9. a first connecting rod; 10. a second connecting rod; 11. rotating the bracket; 12. positioning holes; 13. auxiliary positioning holes; 14. an auxiliary positioning rod; 15. a first support bar; 16. a second support bar; 17. supporting the positioning hole; 18. auxiliary supporting positioning holes; 19. a bolt; 20. a support plate; 21. a support block; 22. pressing a plate; 23. a through hole; 24. a fixing pin; 25. an outlet hole is formed; 26. a slide bar; 27. a pressure lever; 28. a pressure bar support; 29. a spring; 30. a limiting groove; 31. a hanging rod; 32. a fixed cable; 33. supporting the short rod; 34. a limiting cylinder; 35. a moving groove; 36. passing through the aperture; 37. a travel bar; 38. pulling the handle; 39. a limiting block; 40. a limiting plate; 41. passing through the slot; 42. a fixing hole; 43. an auxiliary fixing hole; 44. and fixing the inserted rod.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it is understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope defined in the present application.
The invention relates to a computer-aided teaching device, which comprises a base plate 1, wherein universal wheels are arranged at the bottom of the base plate 1, the universal wheels are common commercially available universal wheels which can move and can be stopped to be fixed and do not move any more, the universal wheels are provided with devices convenient to move, an accommodating rod 2 is arranged at the end part of the base plate 1, two accommodating grooves 3 are arranged on the accommodating rod 2 along the vertical direction of the accommodating rod 2, the two accommodating grooves can be two accommodating grooves which are parallel to each other or can be accommodating grooves which form a certain included angle with each other, a connecting rod 4 is hinged in the accommodating groove 3, the connecting rod can be turned into or turned out of the accommodating groove and is convenient to accommodate when turned into or turned out of the accommodating groove and is convenient to place a projection curtain which needs to be hung subsequently when turned out, a supporting rod 5 is arranged at one end of the connecting rod 4 far away, be convenient for accomodate management device, be equipped with a plurality of curtain couple holes 6 on the lateral wall of bracing piece 5, hang the projection curtain between two bracing pieces, the student of being convenient for watches, it connects projecting apparatus supporting shoe 7 to rotate on the pole 2 to hold, be equipped with projecting apparatus mounting groove 8 on the projecting apparatus supporting shoe 7, the projecting apparatus can be placed at the projecting apparatus mounting groove, and is convenient to use.
When the screen hanging device is used, the base plate is moved to a required position, the connecting rod and the supporting rod are rotated to be opened to a proper position, the projector is placed in the projector placing groove on the projector supporting block, the projector is connected with the computer, the screen is hung in the screen hanging hole of the supporting rod and hung between the supporting rods, and the mobile power supply or the common alternating current power supply is connected to supply power to the projector for multimedia teaching.
In order to facilitate the distance between the adjustment connecting rod, be convenient for better adaptation projection needs, connecting rod 4 includes head rod 9 and second connecting rod 10, head rod 9 is articulated with holding tank 3, the one end of holding pole 2 of keeping away from of head rod 9 is equipped with U type and rotates support 11, can realize through welding or bolted connection's mode, rotate support 11 and second connecting rod 10 and rotate to be connected, can rotate between head rod and the second connecting rod to be connected, the distance between the adjustment connecting rod of being convenient for in certain extent improves the utilization ratio.
In order to adjust the angle of the device as required, especially under the condition that the outdoor ground is not smooth enough, be equipped with locating hole 12 on the connecting rod 4, be equipped with a plurality of auxiliary positioning holes 13 with locating hole 12 matched with in the holding tank 3, be equipped with auxiliary positioning pole 14 between auxiliary positioning hole 13 and the locating hole 12, rotate connecting rod to different positions, pass the locating hole with auxiliary positioning pole and insert auxiliary positioning in the hole, fix the angle of connecting rod, can adjust in certain extent, improve the convenience.
For the convenience of projection show, the preferred, the bed plate is the lifter, and the connecting rod is the telescopic link this moment, can adjust the distance between bracing piece and the bed plate as required this moment, bracing piece 5 includes first bracing piece 15 and cover and establishes the second bracing piece 16 at first bracing piece 15 outside, be equipped with a plurality of support locating holes 17 on the first bracing piece 15, be equipped with on the second bracing piece 16 and support locating hole 17 matched with supplementary support locating hole 18, the activity is equipped with bolt 19 between supplementary support locating hole 18 and the support locating hole 17, can adjust the height of bracing piece andor bed plate according to ground roughness or difference in height's needs this moment to adapt to more projection needs.
In order to better adapt to the outdoor environment and facilitate the fixing device, a support plate 20 and a support block 21 are arranged on the side surface of the base plate 1 and can be realized by welding or bolt connection, etc., the support block 21 is positioned below the support plate 20, a press plate 22 is movably arranged between the support block 21 and the support plate 20 and can move between the support block and the support plate, a plurality of through holes 23 are arranged on the support block 21, fixing needles 24 are arranged in the through holes 23 in a penetrating manner, one ends of the fixing needles 24, which are close to the support plate 20, are connected with the press plate 22, penetrating holes 25 are arranged on the support plate 20, sliding rods 26 are arranged in the penetrating holes 25 in a penetrating manner, one ends of the sliding rods 26, which upwardly penetrate through the penetrating holes 25, are hinged with a press rod 27, a press rod support 28 is arranged on the support plate 20, the press rod support 28 is connected with the press rod 27, fixing is performed, and convenience is improved.
In order to facilitate the resetting of the pressure plate, a spring 29 is arranged between the pressure plate 22 and the supporting block 21.
In order to facilitate temporary fixing of the compression bar, a limiting groove 30 is formed in the compression bar 27, a hanging rod 31 is arranged on the side wall of the supporting block 21, a fixing rope 32 is arranged between the hanging rod 31 and the limiting groove 30, the fixing rope can be lapped on the compression bar and is knotted temporarily, and the position of the compression bar is fixed.
For the convenience of fixed link's position, 5 lateral wall bottom positions of bracing piece department is equipped with supports quarter butt 33, be equipped with a spacing section of thick bamboo 34 on the support quarter butt 33, be equipped with rectangular shape shifting chute 35 on the 34 lateral wall of a spacing section of thick bamboo, spacing 34 bottom is equipped with and passes hole 36, wear to establish carriage release lever 37 in the spacing section of thick bamboo 34, be equipped with the pulling handle 38 that suits with shifting chute 35 on the carriage release lever 37, can remove the pulling handle as required, make the carriage release lever downstream and stretch into ground, fix the position of connecting rod, improve stability.
In order to facilitate fixing the movable rod, the upward movement of the movable rod when not needed is reduced as much as possible, a limiting block 39 is arranged on the movable rod 37, an L-shaped limiting plate 40 is hinged to the side wall of the limiting barrel 34, a passing groove 41 matched with the movable rod 37 is formed in the horizontal end of the limiting plate 40, the distance between the two side walls of the passing groove 41 is smaller than the diameter of the limiting block 39, the limiting plate can be rotated when needed, the limiting block is blocked below the limiting plate, and the movable rod cannot continue to move upwards at the moment, so that the movable rod is convenient to fix.
In order to facilitate storage and management, the projector support block 7 is an arc-shaped projector support block 7, preferably, the arc shape of the projector support block is adapted to the outer diameter of the accommodating rod, in order to facilitate adjustment and fixing of the position of the projector, a fixing hole 42 is formed in the projector support block 7, a plurality of auxiliary fixing holes 43 matched with the fixing hole 42 are formed in the base plate 1, a fixing insertion rod 44 penetrates through the fixing hole between the fixing hole 42 and the auxiliary fixing holes 43, and when the projector support block can be rotated to a proper position, the fixing insertion rod penetrates through the fixing hole and extends into the auxiliary fixing hole to be fixed.
Example (b):
a computer-assisted teaching device comprises a base plate 1, the base plate is a lifting rod, universal wheels are arranged at the bottom of the base plate 1, the universal wheels are universal wheels which are sold in the market and can move and stop fixing without moving, a supporting plate 20 and a supporting block 21 are arranged on the side surface of the base plate 1 and can be realized in a welding or bolt connection mode, the supporting block 21 is positioned below the supporting plate 20, a pressing plate 22 is movably arranged between the supporting block 21 and the supporting plate 20, a spring 29 is arranged between the pressing plate 22 and the supporting block 21, the pressing plate can move between the supporting block and the supporting plate, a plurality of through holes 23 are formed in the supporting block 21, fixing needles 24 penetrate through the through holes 23, one ends, close to the supporting plate 20, of the fixing needles 24 are connected with the pressing plate 22, penetrating holes 25 are formed in the supporting plate 20, sliding rods 26 penetrate through the penetrating, the slide rod 26 upwards passes through one end of the through hole 25 to be hinged with a press rod 27, the support plate 20 is provided with a press rod support 28, the press rod support 28 is connected with the press rod 27, the press rod 27 is provided with a limit groove 30, the side wall of the support block 21 is provided with a hanging rod 31, a fixing rope 32 is arranged between the hanging rod 31 and the limit groove 30, the end part of the base plate 1 is provided with an accommodating rod 2, the accommodating rod 2 is provided with two accommodating grooves 3 along the vertical direction of the accommodating rod 2, the two accommodating grooves can be two parallel accommodating grooves or accommodating grooves with a certain included angle, the accommodating grooves 3 are internally hinged with a connecting rod 4, the connecting rod can be turned into or out of the accommodating grooves, the connecting rod is a telescopic rod, the connecting rod 4 is provided with a positioning hole 12, and a plurality of auxiliary positioning holes, be equipped with auxiliary positioning pole 14 between auxiliary positioning hole 13 and locating hole 12, connecting rod 4 includes head rod 9 and second connecting rod 10, head rod 9 is articulated with holding tank 3, the one end of keeping away from of head rod 9 and holding pole 2 is equipped with U type and rotates support 11, can realize through the mode of welding or bolted connection, it is connected to rotate support 11 and second connecting rod 10 rotation, the one end of keeping away from of connecting rod 4 and holding pole 2 is equipped with bracing piece 5, and the bracing piece is articulated with the connecting rod, is equipped with the holding tank that can hold the bracing piece in the connecting rod equally, be equipped with a plurality of curtain couple holes 6 on the lateral wall of bracing piece 5, bracing piece 5 lateral wall bottom position department is equipped with supports short-bar 33, be equipped with spacing section of thick bamboo 34 on the support short-bar 33, be equipped with rectangular shape shifting chute 35 on the spacing section of thick bamboo 34 lateral wall, spacing, the utility model discloses a projection screen, including a limiting cylinder 34, a limiting rod 37, a pulling handle 38, a limiting block 39, a L-shaped limiting plate 40, a passing groove 41, a plurality of supporting locating holes 17, a plurality of auxiliary supporting locating holes 18, a bolt 19, a projection screen, a student watch, a projector supporting block 7, a supporting groove 17, a limiting groove 35, a limiting block 39, a limiting groove 39, a passing groove 41, a distance between the two side walls of the passing groove 41 is smaller than the diameter of the limiting block 39, the supporting rod 5 comprises a first supporting rod 15 and a second supporting rod 16, the second supporting rod 16 is sleeved outside the first supporting rod 15, the first supporting rod 15 is provided with the plurality of supporting locating holes 17, the second supporting rod 16 is provided with the auxiliary supporting locating holes 18 matched with the supporting locating holes 17, the bolt 19 is movably arranged between the auxiliary supporting locating holes 18 and the supporting locating holes 17, the projection screen is hung between, the projector fixing device is characterized in that a projector mounting groove 8 is formed in the projector supporting block 7, the projector supporting block 7 is an arc-shaped projector supporting block 7, a projector can be placed in the projector mounting groove, fixing holes 42 are formed in the projector supporting block 7, a plurality of auxiliary fixing holes 43 matched with the fixing holes 42 are formed in the base plate 1, and fixing insertion rods 44 are arranged between the fixing holes 42 and the auxiliary fixing holes 43 in a penetrating mode, so that the use is convenient.

Claims (7)

1. A computer-assisted instruction apparatus, characterized by: comprises a base plate (1), universal wheels are arranged at the bottom of the base plate (1), a containing rod (2) is arranged at the end part of the base plate (1), two containing grooves (3) are formed in the containing rod (2) along the vertical direction of the containing rod (2), a connecting rod (4) is hinged in the containing groove (3), the connecting rod (4) comprises a first connecting rod (9) and a second connecting rod (10), the first connecting rod (9) is hinged with the containing groove (3), a U-shaped rotating bracket (11) is arranged at one end of the first connecting rod (9) far away from the containing rod (2), the rotating bracket (11) is rotatably connected with the second connecting rod (10), a supporting rod (5) is arranged at one end of the connecting rod (4) far away from the containing rod (2), the supporting rod (5) comprises a first supporting rod (15) and a second supporting rod (16) sleeved outside the first supporting rod (15), a plurality of supporting positioning holes (17) are formed in the first supporting rod (15), auxiliary supporting positioning holes (18) matched with the supporting positioning holes (17) are formed in the second supporting rod (16), bolts (19) are movably arranged between the auxiliary supporting positioning holes (18) and the supporting positioning holes (17), a plurality of curtain hook holes (6) are formed in the side wall of the supporting rod (5), the accommodating rod (2) is rotatably connected with a projector supporting block (7), a projector placing groove (8) is formed in the projector supporting block (7), a supporting plate (20) and a supporting block (21) are arranged on the side face of the base plate (1), the supporting block (21) is located below the supporting plate (20), a pressing plate (22) is movably arranged between the supporting block (21) and the supporting plate (20), and a plurality of through holes (23) are formed in the supporting block (21), wear to establish fixed needle (24) in through-hole (23), the one end that is close to backup pad (20) of fixed needle (24) is established and is connected with clamp plate (22), be equipped with on backup pad (20) and wear to establish hole (25), wear to establish slide bar (26) in wearing hole (25), the articulated depression bar (27) of one end that upwards passes hole (25) is passed in slide bar (26), be equipped with depression bar support (28) on backup pad (20), depression bar support (28) are connected with depression bar (27).
2. The computer-assisted instruction device of claim 1, wherein: the positioning device is characterized in that a positioning hole (12) is formed in the connecting rod (4), a plurality of auxiliary positioning holes (13) matched with the positioning hole (12) are formed in the accommodating groove (3), and an auxiliary positioning rod (14) is arranged between each auxiliary positioning hole (13) and the corresponding positioning hole (12).
3. The computer-assisted instruction device of claim 1, wherein: and a spring (29) is arranged between the pressing plate (22) and the supporting block (21).
4. The computer-assisted instruction device of claim 1, wherein: the pressing rod (27) is provided with a limiting groove (30), the side wall of the supporting block (21) is provided with a hanging rod (31), and a fixing rope (32) is arranged between the hanging rod (31) and the limiting groove (30).
5. The computer-assisted instruction device of claim 1, wherein: bracing piece (5) lateral wall bottom position department is equipped with supports quarter butt (33), be equipped with a spacing section of thick bamboo (34) on supporting quarter butt (33), be equipped with rectangular shape shifting chute (35) on a spacing section of thick bamboo (34) lateral wall, a spacing section of thick bamboo (34) bottom is equipped with and passes hole (36), wear to establish carriage release lever (37) in a spacing section of thick bamboo (34), be equipped with pulling handle (38) that suit with shifting chute (35) on carriage release lever (37).
6. The computer-assisted instruction device of claim 5, wherein: be equipped with stopper (39) on carriage release lever (37), articulated L type limiting plate (40) on the lateral wall of a spacing section of thick bamboo (34), the horizontal end of limiting plate (40) is equipped with the groove (41) of passing through that suits with carriage release lever (37), the distance between the both sides wall of groove (41) is less than the diameter of stopper (39).
7. The computer-assisted instruction device of claim 1, wherein: the projector support block (7) is an arc-shaped projector support block (7), a fixing hole (42) is formed in the projector support block (7), a plurality of auxiliary fixing holes (43) matched with the fixing hole (42) are formed in the base plate (1), and a fixing insertion rod (44) penetrates between the fixing hole (42) and the auxiliary fixing holes (43).
CN201810438954.9A 2018-05-09 2018-05-09 Computer-aided teaching device Active CN108682193B (en)

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Application Number Priority Date Filing Date Title
CN201810438954.9A CN108682193B (en) 2018-05-09 2018-05-09 Computer-aided teaching device

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Application Number Priority Date Filing Date Title
CN201810438954.9A CN108682193B (en) 2018-05-09 2018-05-09 Computer-aided teaching device

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CN108682193A CN108682193A (en) 2018-10-19
CN108682193B true CN108682193B (en) 2020-03-10

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Publication number Priority date Publication date Assignee Title
CN109830130A (en) * 2019-04-16 2019-05-31 潍坊工程职业学院 A kind of New type accounting Electronic Data Processing teaching device

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CN204833761U (en) * 2015-07-02 2015-12-02 于梦凡 Projecting apparatus is used in teaching
CN106530844A (en) * 2016-12-27 2017-03-22 广州市中潭空气净化科技有限公司 Chinese language and literature teaching board

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CN204694985U (en) * 2015-06-25 2015-10-07 黄山学院 A kind of multifunctional musical blackboard for education
CN106205224B (en) * 2016-06-29 2019-02-26 上海坤澎信息科技有限公司 A kind of rotatable integration projector structure of long range for dais of imparting knowledge to students
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Publication number Priority date Publication date Assignee Title
CN204614248U (en) * 2015-05-19 2015-09-02 黑龙江外国语学院 A kind of Chinese multimedia teaching projection arrangement
CN204833761U (en) * 2015-07-02 2015-12-02 于梦凡 Projecting apparatus is used in teaching
CN106530844A (en) * 2016-12-27 2017-03-22 广州市中潭空气净化科技有限公司 Chinese language and literature teaching board

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