CN112396883B - Drama movie & TV literature teaching display device - Google Patents
Drama movie & TV literature teaching display device Download PDFInfo
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- CN112396883B CN112396883B CN202110027714.1A CN202110027714A CN112396883B CN 112396883 B CN112396883 B CN 112396883B CN 202110027714 A CN202110027714 A CN 202110027714A CN 112396883 B CN112396883 B CN 112396883B
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- Prior art keywords
- blackboard
- group
- driving
- brush roll
- light
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B19/00—Reading-desks; Lecterns; Pulpits, i.e. free-standing
- A47B19/10—Reading-desks; Lecterns; Pulpits, i.e. free-standing characterised by association with auxiliary devices, e.g. paper clamps, line indicators
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
- A47B97/06—Easels or stands for blackboards or the like with means for balancing weight of blackboards or the like, e.g. connected to wall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
Abstract
The utility model discloses a drama movie and television literature teaching display device, which relates to the technical field of display devices and solves the problems that the existing display device generally only uses a single media display device, the display effect is not obvious, the interestingness is low, and when a blackboard is used for displaying, the handwriting on the blackboard needs to be erased repeatedly, and the use is troublesome; a group of podium is arranged at the front part of the mounting seat; the front end face of the top of the mounting seat is hinged with a group of secondary display light-transmitting plates; the top of the mounting seat is fixedly connected with a group of light-transmitting plate driving parts; the top sliding connection of mount pad has a set of light-passing board drive sliding block. The utility model realizes secondary display, improves the display effect, can realize interactive display effect and improves the interestingness, and meanwhile, by adopting the sliding type writing blackboard, the writing blackboard is cleaned while being unfolded, so that the cleaning operation of the writing blackboard is reduced, and the use is more convenient.
Description
Technical Field
The utility model relates to the technical field of display devices, in particular to a drama, movie and television literature teaching display device.
Background
The drama, movie and television literature is a subject specialty set under the first grade of drama and movie and television science, belongs to the art category, and mainly comprises movie and television, internet, drama and theatre and other related media, and related departments for cultivating script creation, planning and propaganda, comment evaluation and writing talents of drama, movie and television, wherein the drama, movie and television literature takes the script creation of movies, stage drama and television drama as a core, and mainly researches basic knowledge and skills in the aspects of artistry, Chinese science, cinematology, drama editing base and the like, so as to create and write the scripts of movies, television drama, stage drama and the like, and comment evaluation of drama and movie, and the like, and is often displayed in a multimedia teaching mode of the drama, movie and television literature.
For example, application No.: CN201821452755.5 the utility model discloses a drama, movie and television and literature teaching and displaying device, which comprises a displaying device main body, wherein the displaying device main body mainly comprises a supporting seat, a transparent cabinet body and a drama, movie and television material model, wherein the transparent cabinet body is made of transparent toughened glass.
Based on the above, the existing display device generally only uses a single media display device, the display effect is not obvious, the interestingness is low, when the blackboard is used for displaying, the handwriting on the blackboard needs to be erased repeatedly, and the use is troublesome; therefore, the existing requirements are not met, and a dramatic movie and television literature teaching display device is provided for the situation.
Disclosure of Invention
The utility model aims to provide a drama, movie and literature teaching and displaying device, which aims to solve the problems that the prior displaying device proposed in the background technology generally only uses a single media displaying device, the displaying effect is not obvious, the interestingness is low, and when a blackboard is used for displaying, the handwriting on the blackboard needs to be erased repeatedly, so that the use is troublesome.
In order to achieve the purpose, the utility model provides the following technical scheme: a teaching display device for drama, movie and television literature comprises a mounting seat; a group of podium is arranged at the front part of the mounting seat; the front end face of the top of the mounting seat is hinged with a group of secondary display light-transmitting plates; the top of the mounting seat is fixedly connected with a group of light-transmitting plate driving parts; the top of the mounting seat is connected with a group of light-transmitting plate driving sliding blocks in a sliding manner; the left side of the rear part of the mounting seat is fixedly connected with a group of blackboard driving parts; the right side of the rear part of the mounting seat is rotatably connected with a group of blackboard driven chain wheels; the blackboard driving piece and the blackboard driven chain wheel are in transmission connection through a blackboard driving chain; the left side and the right side of the rear part of the mounting seat are both connected with a group of writing blackboards in a sliding manner; a group of blackboard brush rolls are rotatably connected inside the left side and the right side of the mounting seat; the upper parts of the inner parts of the left side and the right side of the mounting seat are rotatably connected with a group of brush roll middle transmission shafts.
Preferably, the light-passing board driving piece further comprises a light-passing board driving lead screw, a group of light-passing board driving lead screws are coaxially and fixedly connected to a rotating shaft of the light-passing board driving piece, and the light-passing board driving lead screws and the light-passing board driving sliding blocks are in threaded transmission connection to form a lead screw nut transmission pair.
Preferably, light-passing board drive sliding block is still including light-passing board swing connecting rod, and the equal hinged joint in both sides of light-passing board drive sliding block has a set of light-passing board swing connecting rod, and the other end and the secondary of light-passing board swing connecting rod show light-passing board hinged joint, constitute slider-crank drive mechanism between light-passing board drive sliding block, light-passing board swing connecting rod, the secondary and show light-passing board, the mount pad jointly.
Preferably, the mount pad is still including the display screen, and the rear portion of mount pad is provided with a set of display screen, and the podium is still including secondary display projector, and the top of podium is provided with a set of secondary display projector.
Preferably, the blackboard driving part further comprises a blackboard driving sprocket, the front of the blackboard driving part is coaxially and fixedly connected with a group of blackboard driving sprockets, a group of blackboard driving chains are wound on the outer sides of the blackboard driving sprocket and the blackboard driven sprocket together, and a transmission chain transmission mechanism is formed among the blackboard driving sprocket, the blackboard driven sprocket and the blackboard driving chains together.
Preferably, the writing blackboard further comprises a guide block and guide balls, a group of guide blocks is fixedly connected to the upper portion and the lower portion of the writing blackboard, the upper end face and the lower end face of each guide block are respectively and evenly distributed and rotatably connected with a plurality of groups of guide balls, and the writing blackboard is connected with the mounting seat in a sliding mode through the guide blocks.
Preferably, the blackboard drive chain further comprises a right blackboard connecting piece and a left blackboard connecting piece, the right lower part of the blackboard drive chain is fixedly connected with a group of right blackboard connecting pieces, the right blackboard connecting pieces are fixedly connected with a group of writing blackboards on the right side, the left upper part of the blackboard drive chain is fixedly connected with a group of right blackboard connecting pieces, and the right blackboard connecting pieces are fixedly connected with a group of writing blackboards on the left side.
Preferably, the writing blackboard further comprises a brush roll driving rack, the top of the writing blackboard is fixedly connected with a group of brush roll driving racks, the brush roll intermediate transmission shaft further comprises a ratchet mechanism and a brush roll driven gear, the rear portion of the brush roll intermediate transmission shaft is coaxially and fixedly connected with a group of brush roll driven gears through a group of ratchet mechanism, and the brush roll driving racks and the brush roll driven gears are meshed to form a gear-rack transmission mechanism together.
Preferably, the middle transmission shaft of the brush roll further comprises a brush roll driving bevel gear, the front end face of the middle transmission shaft of the brush roll is coaxially and fixedly connected with a group of brush roll driving bevel gears, the blackboard brush roll further comprises a brush roll driven bevel gear, the top of the blackboard brush roll is coaxially and fixedly connected with a group of brush roll driven bevel gears, and the brush roll driving bevel gear and the brush roll driven bevel gears are meshed to form a bevel gear transmission mechanism.
Compared with the prior art, the utility model has the beneficial effects that:
when the light transmission plate is used, the light transmission plate driving piece drives the light transmission plate driving sliding block to slide back and forth through the screw rod nut transmission pair formed by the screw transmission connection of the light transmission plate driving screw rod and the light transmission plate driving sliding block in a threaded manner, when the light transmission plate drives the sliding block to slide back and forth, the light transmission plate driving sliding block drives the secondary display light transmission plate to swing up and down through the crank sliding block transmission mechanism formed by the light transmission plate driving sliding block, the light transmission plate swinging connecting rod, the secondary display light transmission plate and the mounting seat, so that the secondary display light transmission plate is folded and unfolded, teaching contents are displayed through the display screen, the teaching contents on the display screen are displayed through the secondary display light transmission plate, secondary projection is performed through the secondary display projector, and secondary images are formed through the light reflection effect of the secondary display light transmission plate and are displayed in a matched mode with the display screen, and the display effect is improved.
When the blackboard eraser is used, a blackboard driving piece drives a blackboard driving chain to rotate through a transmission chain transmission mechanism formed by a blackboard driving chain wheel, a blackboard driven chain wheel and a blackboard driving chain, the blackboard driving chain drives two groups of writing blackboards to slide reversely through a right blackboard connecting piece and a left blackboard connecting piece, the writing blackboards are meshed through a brush roll driving rack and a brush roll driven gear to form a gear rack transmission mechanism to drive a brush roll driven gear to rotate, the brush roll driven gear drives a brush roll middle transmission shaft to rotate through a ratchet mechanism, the brush roll middle transmission shaft drives a blackboard brush roll to rotate through a bevel gear transmission mechanism formed by meshing of a brush roll driving bevel gear and a brush roll driven bevel gear, and the front end face of the writing blackboards is cleaned through the rotation of the blackboard brush roll.
According to the utility model, the secondary display is realized by adopting the display screen and the secondary display light-transmitting plate, the display effect is improved, the interactive display effect can be realized, the interestingness is improved, meanwhile, the writing blackboard is cleaned while the writing blackboard is expanded by adopting the sliding type writing blackboard, the operation of cleaning the writing blackboard is reduced, and the use is more convenient.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic axial view of a secondary display transparent plate according to the present invention;
FIG. 3 is a schematic side view of the mounting base of the present invention;
FIG. 4 is a schematic view showing a rear shaft side structure of the transmission of the writing blackboard of the present invention;
FIG. 5 is an enlarged view of a portion A of FIG. 4 according to the present invention;
FIG. 6 is an enlarged view of a portion of the structure of FIG. 4B;
FIG. 7 is a schematic view showing a structure of a front shaft side of the transmission of the writing blackboard of the present invention;
FIG. 8 is a schematic view of the side structure of the blackboard brush roll drive shaft of the present invention;
FIG. 9 is a schematic view of structure C of FIG. 8 according to the present invention;
FIG. 10 is a schematic side view of the writing blackboard according to the present invention;
FIG. 11 is an enlarged view of a portion of FIG. 10 at D in accordance with the present invention;
in the figure: 1. a mounting base; 101. a display screen; 2. a platform; 201. a secondary display projector; 3. a light-transmitting plate driving member; 301. the light transmission plate drives the lead screw; 4. the light transmission plate drives the sliding block; 401. the light transmission plate swings the connecting rod; 5. displaying the light-transmitting plate for the second time; 6. a blackboard driving member; 601. a blackboard drive sprocket; 7. a blackboard driven sprocket; 8. a writing blackboard; 801. a guide block; 802. a guide ball; 803. the brush roller drives the rack; 9. a blackboard drive chain; 901. a right blackboard connecting piece; 902. a left blackboard connector; 10. a blackboard brush roll; 1001. the brush roll drives the bevel gear; 11. a transmission shaft in the middle of the brush roller; 1101. a ratchet mechanism; 1102. a brush roller driven gear; 1103. the brush roll drives a bevel gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 11, an embodiment of the present invention is shown: a drama movie & TV literature teaching display device, including mount pad 1; a group of podium 2 is arranged at the front part of the mounting seat 1; the front end face of the top of the mounting base 1 is hinged with a group of secondary display light-transmitting plates 5; the top of the mounting seat 1 is fixedly connected with a group of light-transmitting plate driving pieces 3; the top of the mounting seat 1 is connected with a group of light transmission plate driving sliding blocks 4 in a sliding manner; the left side of the rear part of the mounting seat 1 is fixedly connected with a group of blackboard driving parts 6; the right side of the rear part of the mounting seat 1 is rotatably connected with a group of blackboard driven chain wheels 7; the blackboard driving piece 6 is in transmission connection with the blackboard driven chain wheel 7 through a blackboard driving chain 9; the left side and the right side of the rear part of the mounting seat 1 are both connected with a group of writing blackboards 8 in a sliding manner; a group of blackboard brush rolls 10 are rotatably connected inside the left side and the right side of the mounting seat 1; the upper parts of the inner parts of the left side and the right side of the mounting seat 1 are rotatably connected with a group of brush roll middle transmission shafts 11.
Further, light-passing board driving piece 3 still includes light-passing board drive lead screw 301, coaxial fixedly connected with a set of light-passing board drive lead screw 301 in the pivot of light-passing board driving piece 3, light-passing board drive lead screw 301 is connected with 4 threaded transmission of light-passing board drive sliding block and is constituteed screw nut transmission pair jointly, and in use, light-passing board driving piece 3 drives light-passing board drive sliding block 4 through the screw nut transmission pair that is connected and is constituteed jointly by light-passing board drive lead screw 301 and 4 threaded transmission of light-passing board drive sliding block and slides back and forth.
Further, light-transmitting plate drive sliding block 4 still includes light-transmitting plate swing connecting rod 401, the left and right sides of light-transmitting plate drive sliding block 4 all hinged joint has a set of light-transmitting plate swing connecting rod 401, the other end of light-transmitting plate swing connecting rod 401 is hinged joint with secondary display light-transmitting plate 5, light-transmitting plate drive sliding block 4, light-transmitting plate swing connecting rod 401, secondary display light-transmitting plate 5, constitute slider-crank drive mechanism between the mount pad 1 jointly, in use, when light-transmitting plate drive sliding block 4 slides back and forth, light-transmitting plate drive sliding block 4 drives secondary display light-transmitting plate 5 through the slider-crank drive mechanism who constitutes jointly between by light-transmitting plate drive sliding block 4, light-transmitting plate swing connecting rod 401, secondary display light-transmitting plate 5, the mount pad 1 and drives secondary display light-transmitting plate 5 luffing motion.
Further, mount pad 1 is still including display screen 101, the rear portion of mount pad 1 is provided with a set of display screen 101, podium 2 is still including secondary display projector 201, the top of podium 2 is provided with a set of secondary display projector 201, in use shows the teaching content through display screen 101, the teaching content on the display screen 101 sees through secondary display light-passing board 5 and demonstrates, carry out the secondary through secondary display projector 201 simultaneously and throw, and form secondary image and the show of display screen 101 cooperation show through the reflection of light effect of secondary display light-passing board 5, the display effect is improved.
Further, the blackboard driving member 6 further comprises a blackboard driving sprocket 601, a group of blackboard driving sprockets 601 is coaxially and fixedly connected in front of the blackboard driving member 6, a group of blackboard driving chains 9 are wound on the outer sides of the blackboard driving sprocket 601 and the blackboard driven sprocket 7 together, a transmission chain transmission mechanism is formed among the blackboard driving sprocket 601, the blackboard driven sprocket 7 and the blackboard driving chains 9 together, and in use, the blackboard driving member 6 drives the blackboard driving chains 9 to rotate through the transmission chain transmission mechanism formed among the blackboard driving sprocket 601, the blackboard driven sprocket 7 and the blackboard driving chains 9 together.
Further, write blackboard 8 and still including guide block 801, direction ball 802, write blackboard 8's upper and lower equal fixedly connected with a set of guide block 801, the upper and lower terminal surface of guide block 801 evenly arranges respectively and rotates and is connected with multiunit direction ball 802, write blackboard 8 and pass through guide block 801 and mount pad 1 sliding connection, in use, when realizing the direction to writing blackboard 8 through guide block 801, improve gliding smoothness degree through direction ball 802 simultaneously.
Further, the blackboard driving chain 9 further comprises a right blackboard connecting piece 901 and a left blackboard connecting piece 902, a group of right blackboard connecting pieces 901 is fixedly connected to the lower portion of the right side of the blackboard driving chain 9, the right blackboard connecting pieces 901 are fixedly connected with a group of writing blackboards 8 on the right side, a group of right blackboard connecting pieces 901 is fixedly connected to the upper portion of the left side of the blackboard driving chain 9, the right blackboard connecting pieces 901 are fixedly connected with a group of writing blackboards 8 on the left side, when the blackboard driving chain 9 rotates in use, the blackboard driving chain 9 drives the two groups of writing blackboards 8 to slide reversely through the right blackboard connecting pieces 901 and the left blackboard connecting pieces 902.
Further, the writing blackboard 8 further comprises a brush roll driving rack 803, the top of the writing blackboard 8 is fixedly connected with a group of brush roll driving racks 803, the brush roll intermediate transmission shaft 11 further comprises a ratchet mechanism 1101 and a brush roll driven gear 1102, the rear portion of the brush roll intermediate transmission shaft 11 is coaxially and fixedly connected with a group of brush roll driven gear 1102 through a group of ratchet mechanism 1101, the brush roll driving rack 803 and the brush roll driven gear 1102 are meshed to jointly form a gear-rack transmission mechanism, when the two groups of writing blackboards 8 slide outwards in a reverse direction, the writing blackboard 8 drives the brush roll driven gear 1102 to rotate through the gear-rack transmission mechanism formed by meshing the brush roll driving rack 803 and the brush roll driven gear 1102, the brush roll driven gear 1102 drives the brush roll intermediate transmission shaft 11 to rotate through the ratchet mechanism 1101, when the writing blackboards 8 rotate towards the inner side, the writing blackboards 8 drives the brush roll driven gear-rack transmission mechanism to drive the brush roll driven gear through the gear-rack transmission mechanism formed by meshing the brush roll driving rack 803 and the brush roll driven gear 1102 and the brush roll 1102 The wheel 1102 rotates and the brushroll intermediate drive shaft 11 is stationary due to the unidirectional drive action of the ratchet mechanism 1101, causing the brushroll to freewheel from the driven gear 1102.
Further, the middle transmission shaft 11 of the brush roll further comprises a brush roll driving bevel gear 1103, a group of brush roll driving bevel gears 1103 are coaxially and fixedly connected with the front end face of the middle transmission shaft 11 of the brush roll, the blackboard brush roll 10 further comprises a brush roll driven bevel gear 1001, a group of brush roll driven bevel gears 1001 are coaxially and fixedly connected with the top of the blackboard brush roll 10, the brush roll driving bevel gears 1103 and the brush roll driven bevel gears 1001 are meshed to jointly form a bevel gear transmission mechanism, in use, when the middle transmission shaft 11 of the brush roll rotates, the middle transmission shaft 11 of the brush roll drives the blackboard brush roll 10 to rotate through the bevel gear transmission mechanism 1001 jointly formed by meshing of the brush roll driving bevel gears 1103 and the brush roll driven bevel gears, and cleaning of the front end face of the writing blackboard 8 is achieved through rotation of the blackboard brush roll 10.
The working principle is as follows: when the portable teaching device is used, the light transmission plate driving piece 3 drives the light transmission plate driving sliding block 4 to slide back and forth through a screw rod nut transmission pair formed by the threaded transmission connection of the light transmission plate driving screw rod 301 and the light transmission plate driving sliding block 4, when the light transmission plate driving sliding block 4 slides back and forth, the light transmission plate driving sliding block 4 drives the secondary display light transmission plate 5 to swing up and down through a crank sliding block transmission mechanism formed by the light transmission plate driving sliding block 4, the light transmission plate swinging connecting rod 401, the secondary display light transmission plate 5 and the mounting seat 1, so that the secondary display light transmission plate 5 can be folded and unfolded, teaching contents are displayed through the display screen 101, the teaching contents on the display screen 101 are displayed through the secondary display light transmission plate 5, secondary projection is carried out through the secondary display projector 201, and secondary images are formed through the light reflection effect of the secondary display light transmission plate 5 and are displayed in cooperation with the display screen 101, the display effect is improved; the blackboard driving part 6 drives the blackboard driving chain 9 to rotate through a transmission chain transmission mechanism jointly formed by a blackboard driving chain wheel 601, a blackboard driven chain wheel 7 and the blackboard driving chain 9, the blackboard driving chain 9 respectively drives two groups of writing blackboards 8 to slide reversely through a right blackboard connecting part 901 and a left blackboard connecting part 902, the writing blackboards 8 jointly form a gear rack transmission mechanism through a brush roll driving rack 803 and a brush roll driven gear 1102 to drive a brush roll driven gear 1102 to rotate, the brush roll driven gear 1102 drives a brush roll middle transmission shaft 11 to rotate through a ratchet mechanism 1101, the brush roll middle transmission shaft 11 drives the blackboard brush roll 10 to rotate through a bevel gear transmission mechanism jointly formed by meshing a brush roll driving bevel gear 1103 and a brush roll driven bevel gear 1001, and the front end face of the writing blackboards 8 is cleaned through the rotation of the blackboard brush roll 10.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a drama movie & TV literature teaching display device which characterized in that: comprises a mounting seat (1); a group of podium (2) is arranged at the front part of the mounting seat (1); the front end face of the top of the mounting seat (1) is hinged with a group of secondary display light-transmitting plates (5); the top of the mounting seat (1) is fixedly connected with a group of light-transmitting plate driving pieces (3); the top of the mounting seat (1) is connected with a group of light-transmitting plate driving sliding blocks (4) in a sliding manner; the left side of the rear part of the mounting seat (1) is fixedly connected with a group of blackboard driving parts (6); the right side of the rear part of the mounting seat (1) is rotatably connected with a group of blackboard driven chain wheels (7); the blackboard driving piece (6) is in transmission connection with the blackboard driven chain wheel (7) through a blackboard driving chain (9); the left side and the right side of the rear part of the mounting seat (1) are both connected with a group of writing blackboards (8) in a sliding manner; the insides of the left side and the right side of the mounting seat (1) are respectively and rotatably connected with a group of blackboard brush rolls (10); a group of brush roll middle transmission shafts (11) are rotatably connected above the inner parts of the left side and the right side of the mounting seat (1); the light-transmitting plate driving piece (3) further comprises a light-transmitting plate driving lead screw (301), a group of light-transmitting plate driving lead screws (301) are coaxially and fixedly connected to a rotating shaft of the light-transmitting plate driving piece (3), and the light-transmitting plate driving lead screws (301) and the light-transmitting plate driving sliding blocks (4) are in threaded transmission connection to form a lead screw nut transmission pair; the light transmission plate driving sliding block (4) further comprises light transmission plate swinging connecting rods (401), the left side and the right side of the light transmission plate driving sliding block (4) are hinged with a group of light transmission plate swinging connecting rods (401), the other end of each light transmission plate swinging connecting rod (401) is hinged with a secondary display light transmission plate (5), and a crank sliding block transmission mechanism is formed among the light transmission plate driving sliding block (4), the light transmission plate swinging connecting rods (401), the secondary display light transmission plates (5) and the mounting seat (1); the blackboard driving part (6) further comprises a blackboard driving chain wheel (601), the front of the blackboard driving part (6) is coaxially and fixedly connected with a group of blackboard driving chain wheels (601), a group of blackboard driving chains (9) are wound on the outer sides of the blackboard driving chain wheels (601) and the blackboard driven chain wheels (7) together, and a transmission chain transmission mechanism is formed among the blackboard driving chain wheels (601), the blackboard driven chain wheels (7) and the blackboard driving chains (9) together; the writing blackboard (8) further comprises a brush roll driving rack (803), the top of the writing blackboard (8) is fixedly connected with a group of brush roll driving racks (803), the brush roll intermediate transmission shaft (11) further comprises a ratchet mechanism (1101) and a brush roll driven gear (1102), the rear part of the brush roll intermediate transmission shaft (11) is coaxially and fixedly connected with a group of brush roll driven gear (1102) through a group of ratchet mechanism (1101), and the brush roll driving racks (803) and the brush roll driven gear (1102) are meshed to form a gear-rack transmission mechanism; the blackboard brush roll is characterized in that the middle transmission shaft (11) of the brush roll further comprises a brush roll driving bevel gear (1103), the front end face of the middle transmission shaft (11) of the brush roll is coaxially and fixedly connected with a group of brush roll driving bevel gears (1103), the blackboard brush roll (10) further comprises a brush roll driven bevel gear (1001), the top of the blackboard brush roll (10) is coaxially and fixedly connected with a group of brush roll driven bevel gears (1001), and the brush roll driving bevel gears (1103) and the brush roll driven bevel gears (1001) are meshed to jointly form a bevel gear transmission mechanism.
2. The apparatus according to claim 1, wherein: the platform is characterized in that the mounting seat (1) further comprises a display screen (101), a group of display screens (101) is arranged at the rear portion of the mounting seat (1), the platform (2) further comprises a secondary display projector (201), and a group of secondary display projector (201) is arranged at the top of the platform (2).
3. The apparatus according to claim 1, wherein: the writing blackboard (8) further comprises a guide block (801) and guide balls (802), a group of guide blocks (801) are fixedly connected to the upper portion and the lower portion of the writing blackboard (8), the upper end face and the lower end face of each guide block (801) are respectively and uniformly distributed and rotatably connected with a plurality of groups of guide balls (802), and the writing blackboard (8) is connected with the mounting seat (1) in a sliding mode through the guide blocks (801).
4. The apparatus according to claim 1, wherein: the blackboard driving chain (9) further comprises a right blackboard connecting piece (901) and a left blackboard connecting piece (902), a group of right blackboard connecting pieces (901) is fixedly connected to the lower portion of the right side of the blackboard driving chain (9), the right blackboard connecting pieces (901) are fixedly connected with a group of writing blackboards (8) on the right side, a group of right blackboard connecting pieces (901) is fixedly connected to the upper portion of the left side of the blackboard driving chain (9), and the right blackboard connecting pieces (901) are fixedly connected with a group of writing blackboards (8) on the left side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110027714.1A CN112396883B (en) | 2021-01-11 | 2021-01-11 | Drama movie & TV literature teaching display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110027714.1A CN112396883B (en) | 2021-01-11 | 2021-01-11 | Drama movie & TV literature teaching display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112396883A CN112396883A (en) | 2021-02-23 |
| CN112396883B true CN112396883B (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110027714.1A Active CN112396883B (en) | 2021-01-11 | 2021-01-11 | Drama movie & TV literature teaching display device |
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| Country | Link |
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| CN (1) | CN112396883B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115394132B (en) * | 2022-09-19 | 2023-05-12 | 广州工程技术职业学院 | Electronic circuit teaching auxiliary device and system |
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| EP2286692A1 (en) * | 2009-08-19 | 2011-02-23 | Smit visual supplies B.V. | Device for height adjustment of a whiteboard |
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