CN114251561A - Multimedia blackboard with reasonable light reflection structure - Google Patents

Multimedia blackboard with reasonable light reflection structure Download PDF

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Publication number
CN114251561A
CN114251561A CN202111603577.8A CN202111603577A CN114251561A CN 114251561 A CN114251561 A CN 114251561A CN 202111603577 A CN202111603577 A CN 202111603577A CN 114251561 A CN114251561 A CN 114251561A
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CN
China
Prior art keywords
gear
sliding
blackboard
adjusting
fixedly connected
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Pending
Application number
CN202111603577.8A
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Chinese (zh)
Inventor
叶恩彤
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Individual
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Individual
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Publication date
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Priority to CN202111603577.8A priority Critical patent/CN114251561A/en
Publication of CN114251561A publication Critical patent/CN114251561A/en
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    • 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
    • F16M11/043Allowing translations
    • F16M11/046Allowing translations adapted to upward-downward translation movement
    • 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
    • F16M11/06Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • 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
    • F16M11/18Heads with mechanism for moving the apparatus relatively to the stand
    • 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

Abstract

The invention relates to a multimedia blackboard, in particular to a multimedia blackboard with a reasonable light reflection structure. The device comprises a fixing device and an adjusting device arranged in the fixing device; the fixing device comprises a fixing mechanism; the fixing mechanism comprises a blackboard frame, and two sliding plates are arranged on one side of the blackboard frame in a sliding mode. The design of the invention can synchronously rotate the corner of the display when the height of the supporting plate is adjusted, randomly adjust the inclination angle of the display when strong sunlight irradiates outdoors, synchronously adjust the inclination angle and the height of the display, avoid that students cannot well see the content on the display due to angle adjustment, simultaneously respectively adjust the height and the inclination angle of the display, adapt to the sunlight irradiation under different conditions, meet the use of multimedia blackboards under different environments and avoid the phenomenon that the students cannot see the display clearly due to strong sunlight.

Description

Multimedia blackboard with reasonable light reflection structure
Technical Field
The invention relates to a multimedia blackboard, in particular to a multimedia blackboard with a reasonable light reflection structure.
Background
The multimedia blackboard is represented by a television blackboard, and comprises an electronic whiteboard, an intelligent projector and a multimedia electronic platform, and is a general name of digital display type education and teaching products with the functions of audio and video, writing, interaction and the like.
Disclosure of Invention
The invention aims to provide a multimedia blackboard with a reasonable light reflection structure, which aims to solve the problems in the background technology.
In order to achieve the purpose, the multimedia blackboard with the reasonable light reflection structure comprises fixed equipment and an adjusting device arranged in the fixed equipment;
the fixture includes a fixture mechanism;
the fixing mechanism comprises a blackboard frame, and two sliding plates are arranged on one side of the blackboard frame in a sliding manner;
the adjusting device comprises a lifting mechanism, transmission equipment is arranged on one side of the lifting mechanism, a supporting mechanism is arranged on one side of the transmission equipment, and a rotating mechanism is arranged on one side of the supporting mechanism;
the lifting mechanism comprises a lifting frame, the lifting frame is arranged in the blackboard frame in a sliding mode, the lifting frame is connected with the sliding plate through a synchronizing device, lifting toothed plates are fixedly connected to two sides of the inner wall of the lifting frame, and two sliding toothed blocks are arranged in the middle of the inner part of the lifting frame in a sliding mode;
the transmission equipment comprises two adjusting gears, two sides of the lifting frame are respectively meshed with the lifting toothed plate and the sliding toothed block, one end of each adjusting gear is provided with a steering gear set, the other end of each adjusting gear is provided with a following gear, the steering gear set and the following gear are connected through a transmission mechanism, the bottom of the steering gear set is provided with a limiting gear, two sides of the limiting gear are respectively meshed with the sliding toothed block and the lifting toothed block, one end of the limiting gear is rotatably connected with a sliding block, and the sliding block is in sliding connection with the lifting frame;
the supporting mechanism comprises an adjusting toothed plate, the adjusting toothed plate is meshed with the following gear, an adjusting rod is inserted into one side of the sliding block in a sliding mode, one end of the adjusting rod is fixedly connected with an adjusting spring, and the adjusting spring is fixedly connected with the sliding block;
the rotating mechanism comprises a display, a connecting block is fixedly connected to one side of the display, and the adjusting toothed plate is rotatably connected with the connecting block.
As a further improvement of the technical scheme, the synchronizing device comprises two sliding plates, sliding grooves are formed in the upper side and the lower side of one side of the blackboard frame, the sliding plates are arranged in the sliding grooves in a sliding mode, and the side wall of one side of the blackboard frame is fixedly connected with a fixing plate.
As a further improvement of the technical scheme, one side of the inside of the sliding plate is provided with a tooth groove penetrating through the blackboard frame, and the bottom end of one side of the sliding plate is fixedly connected with a sliding rack.
As a further improvement of this technical scheme, the inside of blackboard frame is equipped with lazytongs, lazytongs includes the driving gear, the driving gear rotates and sets up in the inside of blackboard frame, driving gear and slip rack toothing, one side of driving gear is equipped with driven gear, driven gear and blackboard frame rotate to be connected, driven gear's bottom fixedly connected with synchronizing shaft, synchronizing shaft and driving gear are connected through the same drive mechanism.
As a further improvement of this technical scheme, one side of slip rack is equipped with synchronous equipment, synchronous equipment includes synchronous gear set, synchronous gear set comprises two intermeshing's rotating gear, one side rotating gear and the slip rack toothing of one side, the one side of keeping away from synchronous gear set in the blackboard frame is equipped with synchronous gear, synchronous gear and the slip rack toothing of opposite side, synchronous gear and the rotating gear of opposite side are connected through same drive mechanism.
As a further improvement of the technical scheme, the steering gear set consists of two bevel gears which are vertical to each other and are meshed with each other, the bevel gear at the bottom end is fixedly connected with the adjusting gear, and the bevel gear at the top end is connected with the following gear through a transmission mechanism.
As a further improvement of the technical scheme, one end of the adjusting gear, which is far away from the steering gear set, is rotatably connected with a fixed rod, the fixed rod is rotatably connected with the following gear, one end of the fixed rod is fixedly connected with a supporting plate, the adjusting toothed plate penetrates through the supporting plate and is rotatably connected with the supporting plate, and the adjusting rod is fixedly connected with the supporting plate.
As a further improvement of the technical scheme, the bottom of the bevel gear at the top is rotatably connected with a support frame, one side of the bottom of the support frame is fixedly connected with a support plate, the bottom of one side of the lifting frame is fixedly connected with a sliding toothed plate, and the sliding toothed plate is arranged inside the tooth socket and meshed with the driven gear.
As a further improvement of the technical scheme, a supporting block is fixedly connected to the position, close to the bottom, of one side of the supporting plate, a limiting block is rotatably connected to one side of the supporting block, and the limiting block is fixedly connected with the displayer.
As a further improvement of the technical scheme, the top end of the sliding tooth block is fixedly connected with a limiting rod penetrating through the lifting frame, one side of the limiting rod is fixedly connected with a limiting spring, the limiting spring is fixedly connected with the lifting frame, and the bottom end of the sliding tooth block is fixedly connected with a shifting lever penetrating through the lifting frame.
Compared with the prior art, the invention has the beneficial effects that:
1. in this multimedia blackboard with reasonable reflection configuration of light, the corner that can make the display when adjusting the height of backup pad obtains synchronous rotation, give arbitrary regulation with the inclination of display when having strong sunlight to shine into outdoors, and carry out synchronous regulation with the inclination and the height of display, avoid leading to the content on the student can not be fine seeing clearly the display because of angle modulation, can adjust the height and the inclination of display respectively simultaneously, can adapt to the sunlight irradiation under the different situation, satisfy the use of multimedia blackboard under the different environment, avoid the phenomenon of the unclear display of student that leads to because of strong sunlight.
2. In this multimedia blackboard with reasonable reflection configuration of light, the display contracts in the inside of blackboard frame when blackboard normal use, and the teacher can write the teaching on the surface of fixed plate and sliding plate, and when needs used the display, only need pull open the sliding plate and just can give the display and take out simultaneously, and the operation is very convenient, and the teacher can swiftly operate the display, can significantly reduce the time of being wasted on class.
3. In this multimedia blackboard with reasonable reflection configuration of light, can carry out synchronous control and arbitrary regulation to the height and the inclination of display to do not need to use at ordinary times to contract in the inside of blackboard frame, can effectively protect the display not receive the damage when increasing the blackboard area that the teacher can write.
Drawings
FIG. 1 is one of the overall structural illustrations of embodiment 1 of the present invention;
FIG. 2 is a second schematic view of the overall structure of embodiment 1 of the present invention;
fig. 3 is an overall structural schematic view of a fixing mechanism of embodiment 1 of the present invention;
FIG. 4 is a schematic view of the entire structure of a synchronizing mechanism according to embodiment 1 of the present invention;
fig. 5 is a schematic view of the entire configuration of a synchronization apparatus according to embodiment 1 of the present invention;
FIG. 6 is a schematic view of the overall structure of an adjusting apparatus according to embodiment 1 of the present invention;
fig. 7 is an overall structural schematic view of a lifting mechanism of embodiment 1 of the present invention;
FIG. 8 is a schematic view of the entire construction of a transmission device according to embodiment 1 of the present invention;
fig. 9 is an overall structural view of a support mechanism of embodiment 1 of the present invention;
fig. 10 is an overall configuration diagram of a rotating mechanism according to embodiment 1 of the present invention.
The various reference numbers in the figures mean:
100. a fixed device;
110. a fixing mechanism; 111. a blackboard frame; 112. a fixing plate; 113. a sliding groove; 114. a sliding plate; 115. a sliding rack; 116. a tooth socket; 120. a synchronization mechanism; 121. a driving gear; 122. a synchronizing shaft; 123. a driven gear; 130. a synchronization device; 131. a synchronizing gear; 132. a synchronous gear set;
200. an adjustment device;
210. a lifting mechanism; 211. a lifting frame; 212. a lifting toothed plate; 213. a sliding toothed plate; 214. a sliding tooth block; 215. a limiting rod; 216. a restraining spring; 217. a deflector rod; 220. a transmission device; 221. an adjusting gear; 222. a steering gear set; 223. a follower gear; 224. fixing the rod; 225. a support frame; 226. defining a gear; 227. a slider; 230. a support mechanism; 231. adjusting the toothed plate; 232. a support plate; 233. adjusting the spring; 234. adjusting a rod; 240. a rotating mechanism; 241. a display; 242. connecting blocks; 243. a limiting block; 244. and (7) a supporting block.
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. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Example 1
Referring to fig. 1 to 10, a multimedia blackboard with a reasonable light reflection structure is provided, which includes a fixing device 100 and an adjusting device 200 disposed inside the fixing device 100;
the fixture 100 includes a fixture 110;
the fixing mechanism 110 comprises a blackboard frame 111, the blackboard frame 111 is used for determining the positions of the sliding plates 114 and the lifting frame 211, two sliding plates 114 are arranged on one side of the blackboard frame 111 in a sliding mode, the sliding plates 114 are used for driving the lifting frame 211 to move through a synchronizing device, and teachers can write on the sliding plates 114 and the fixing plate 112 conveniently to achieve a teaching effect;
the adjusting device 200 comprises a lifting mechanism 210, a transmission device 220 is arranged on one side of the lifting mechanism 210, a supporting mechanism 230 is arranged on one side of the transmission device 220, and a rotating mechanism 240 is arranged on one side of the supporting mechanism 230;
the lifting mechanism 210 comprises a lifting frame 211, the lifting frame 211 is used for determining the positions of a lifting tooth plate 212 and a sliding tooth block 214, the lifting frame 211 is slidably arranged inside the blackboard frame 111, the lifting frame 211 and the sliding plate 114 are connected through a synchronizer, the synchronizer is used for connecting the lifting frame 211 and the sliding plate 114 and driving the lifting frame 211 and the sliding plate 114 to synchronously move, the lifting tooth plate 212 is fixedly connected to two sides of the inner wall of the lifting frame 211, the lifting tooth plate 212 is used for being meshed with an adjusting gear 221 to enable the lifting tooth plate to rotate, the two sliding tooth blocks 214 are slidably arranged in the middle position inside the lifting frame 211, and the sliding tooth blocks 214 are used for being matched with the lifting tooth plate 212 to fix the position of the adjusting gear 221, so that the effect of fixing the height of the adjusting gear 221 is achieved;
the transmission device 220 comprises two adjusting gears 221, the adjusting gears 221 are used for driving the steering gear set 222 to rotate, two sides of the lifting frame 211 are respectively meshed with the lifting toothed plate 212 and the sliding toothed block 214, one end of each adjusting gear 221 is provided with the steering gear set 222, the steering gear set 222 is used for changing the transmission direction of the variable force, and the following gear 223 is driven to rotate through a transmission mechanism, the other end of each adjusting gear 221 is provided with the following gear 223, the following gear 223 drives the adjusting toothed plate 231 to move, the steering gear set 222 and the following gear 223 are connected through the transmission mechanism, the transmission mechanism is composed of two belt pulleys and a belt, the two belt pulleys are connected through the belt, the bottom of the steering gear set 222 is provided with a limiting gear 226, the limiting gear 226 is used for matching with the sliding toothed blocks 214 and the lifting toothed plate 212 on two sides to determine the position of the supporting plate 232, two sides of the limiting gear 226 are respectively matched with the sliding toothed blocks 214, the sliding toothed block 223, the belt, the following gear 223 and the following gear 223, The lifting tooth plates 212 are meshed, one end of the limiting gear 226 is rotatably connected with a sliding block 227, the sliding block 227 is used for determining the position of the limiting gear 226, the sliding block 227 is slidably connected with the lifting frame 211, the effect that the adjusting gear 221 can drive the adjusting tooth plates 231 to move while rotating is achieved, and the position of the supporting plate 232 is fixed through the matching of the adjusting gear 221, the sliding tooth blocks 214 and the lifting tooth plates 212;
the supporting mechanism 230 comprises an adjusting toothed plate 231, the adjusting toothed plate 231 is used for driving the display 241 to rotate, the adjusting toothed plate 231 is meshed with the following gear 223, an adjusting rod 234 is inserted into one side of the sliding block 227 in a sliding mode, an adjusting spring 233 is fixedly connected to one end of the adjusting rod 234, the adjusting spring 233 is fixedly connected with the sliding block 227, the adjusting spring 233 is used for determining the position of the sliding block 227, when the supporting plate 232 is moved, the adjusting gear 221 is finished and limited by the sliding toothed block 214 and the lifting toothed plate 212, the limiting gear 226 can still be meshed with the sliding toothed block 214 and the lifting toothed plate 212, and the angle of the display 241 can be adjusted when the position of the supporting plate 232 is fixed;
the rotating mechanism 240 comprises a display 241, the display 241 is used for playing teaching contents, a connecting block 242 is fixedly connected to one side of the display 241, the connecting block 242 is used for matching with the adjusting toothed plate 231 to drive the display 241 to rotate, the adjusting toothed plate 231 is rotatably connected with the connecting block 242, and the effect that the angle of the display 241 can be adjusted is achieved.
In this example, the sliding plate 114 is pulled away, the sliding plate 114 drives the sliding rack 115 to move, the sliding rack 115 rotates the synchronizing gear 131, the synchronizing gear 131 and the synchronizing gear set 132 are connected by the transmission mechanism to rotate synchronously, the two sliding racks 115 move synchronously, after the sliding rack 115 moves to a certain position, the sliding rack 115 is engaged with the pinion gear 121 to drive it to rotate, the pinion gear 121 drives the driven gear 123 to rotate by the transmission mechanism and the synchronizing shaft 122, the driven gear 123 is engaged with the sliding toothed plate 213 to drive the lifting frame 211 to move, when the lifting frame 211 moves to a proper position, the two shift levers 217 are shifted to end the limitation of the adjusting gear 221 and the limiting gear 226, the supporting plate 232 is pushed to drive the adjusting gear 221 to rotate on the lifting toothed plate 212, the adjusting gear 221 drives the steering gear set 222 to rotate, the steering gear set 222 is driven by the transmission mechanism to rotate the following gear 223, the following gear 223 drives the adjusting toothed plate 231 to move, the adjusting toothed plate 231 drives the display 241 to rotate to a certain angle, the shifting rod 217 is loosened, the limiting spring 216 pushes the limiting rod 215 to enable the sliding toothed block 214 to limit the adjusting gear 221 and the limiting gear 226 again, the position of the supporting plate 232 is fixed, the supporting plate 232 cannot rotate, and the angle of the display 241 is correspondingly fixed; when the height of the supporting plate 232 and the inclination angle of the display 241 are required to be adjusted respectively, the supporting plate 232 is pulled away to enable the adjusting gear 221 to be away from the original position, the limiting gear 226 is still at the original position, the height of the supporting plate 232 is moved, the adjusting gear 221 cannot rotate any more, the height of the supporting plate 232 and the inclination angle of the display 241 can be adjusted respectively, when the sunlight irradiation intensity is high, the height and the inclination angle of the display 241 can be adjusted at will, the influence of strong sunlight on the display effect of the display 241 is effectively avoided, and the teaching quality is improved.
In order to enable the sliding plate 114 and the sliding tooth plate 213 to move synchronously, the synchronizing device comprises two sliding plates 114, the sliding plates 114 are used for driving the sliding rack 115 to move, the upper side and the lower side of one side of the blackboard frame 111 are provided with sliding grooves 113, the sliding grooves 113 are used for limiting the position of the sliding plates 114, the sliding plates 114 are arranged in the sliding grooves 113 in a sliding manner, the side wall of one side of the blackboard frame 111 is fixedly connected with a fixed plate 112, the fixed plate 112 can write characters and is convenient for teaching, one side of the inside of the sliding plates 114 is provided with a tooth space 116 penetrating through the blackboard frame 111, the tooth space 116 is used for placing the sliding tooth plate 213, the bottom end of one side of the sliding plates 114 is fixedly connected with the sliding rack 115, the sliding rack 115 is used for matching with the driving gear 121, the synchronizing gear 131 and the synchronizing gear set 132 and driving them to rotate, the synchronizing mechanism 120 is arranged inside the blackboard frame 111, the synchronizing mechanism 120 comprises the driving gear 121, and the driving gear 121 is used for driving the synchronizing shaft 122 to rotate, the driving gear 121 is rotatably disposed inside the blackboard frame 111, the driving gear 121 is engaged with the sliding rack 115, one side of the driving gear 121 is provided with a driven gear 123, the driven gear 123 is used for driving the sliding toothed plate 213 to move, the driven gear 123 is rotatably connected with the blackboard frame 111, the bottom end of the driven gear 123 is fixedly connected with a synchronizing shaft 122, the synchronizing shaft 122 is used for driving the driven gear 123 to rotate, the synchronizing shaft 122 is connected with the driving gear 121 through the same transmission mechanism, one side of the sliding rack 115 is provided with a synchronizing device 130, the synchronizing device 130 comprises a synchronizing gear set 132, the synchronizing gear set 132 is used for changing the force transmission direction and can drive the synchronizing gear 131 to rotate and the sliding rack 115 to move, the synchronizing gear set 132 is composed of two rotating gears engaged with each other, the rotating gear on one side is engaged with the sliding rack 115 on one side, one side far away from the synchronizing gear set 132 in the blackboard frame 111 is provided with the synchronizing gear 131, the synchronizing gear 131 is used for driving the synchronizing gear set 132 to rotate and the sliding rack 115 to move, the synchronizing gear 131 is meshed with the sliding rack 115 on the other side, the synchronizing gear 131 is connected with the rotating gear on the other side through the same transmission mechanism, so that the two sliding plates 114 can move synchronously, the sliding toothed plate 213 is driven to move after the synchronizing gear moves to a proper position, and the sliding plates 114 and the sliding toothed plate 213 move synchronously.
In order to realize the effect that the height and the angle of the display 241 can be adjusted at will, the steering gear set 222 is composed of two bevel gears which are perpendicular to each other and are meshed with each other, the bevel gear at the bottom end is fixedly connected with the adjusting gear 221, the bevel gear at the top end is connected with the following gear 223 through a transmission mechanism, one end of the adjusting gear 221, which is far away from the steering gear set 222, is rotatably connected with a fixed rod 224, the fixed rod 224 is used for determining the positions of the adjusting gear 221 and the following gear 223, the fixed rod 224 is rotatably connected with the following gear 223, one end of the fixed rod 224 is fixedly connected with a supporting plate 232, the supporting plate 232 is used for determining the positions of the adjusting toothed plate 231, the fixed rod 224, the adjusting rod 234 and a supporting block 244, the adjusting toothed plate 231 penetrates through the supporting plate 232 and is rotatably connected with the supporting plate 234, the bottom end of the bevel gear at the top end is rotatably connected with a supporting frame 225, and the supporting frame 225 is used for determining the position of the steering gear set 222, one side of the bottom end of the supporting frame 225 is fixedly connected with the supporting plate 232, the bottom end of one side of the lifting frame 211 is fixedly connected with a sliding toothed plate 213, the sliding toothed plate 213 is used for driving the lifting frame 211 to move, the sliding toothed plate 213 is arranged in the tooth space 116 and meshed with the driven gear 123, a supporting block 244 is fixedly connected to a position close to the bottom of one side of the supporting plate 232, the supporting block 244 is used for determining the position of the display 241 by being matched with a limiting block 243, one side of the supporting block 244 is rotatably connected with the limiting block 243, the limiting block 243 is used for determining the position of the bottom of the display 241 by being matched with the supporting block 244, the limiting block 243 is fixedly connected with the display 241, one side of the limiting rod 215 is fixedly connected with a limiting spring 216, the limiting spring 216 is used for pushing the limiting rod 215 to enable the sliding toothed block 214 to limit the adjusting gear 221 and the limiting gear 226, the limiting spring 216 is fixedly connected with the lifting frame 211, and a shifting lever 217 penetrating through the lifting frame 211 is fixedly connected to the bottom end of the sliding toothed block 214, the shift lever 217 is used for driving the sliding gear block 214 to move, so that the height and the angle of the display 241 can be adjusted at will.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a multimedia blackboard with reasonable reflection configuration of light which characterized in that: comprises a fixed device (100) and an adjusting device (200) arranged inside the fixed device (100);
the fixture (100) comprises a fixture (110);
the fixing mechanism (110) comprises a blackboard frame (111), and two sliding plates (114) are arranged on one side of the blackboard frame (111) in a sliding manner;
the adjusting device (200) comprises a lifting mechanism (210), a transmission device (220) is arranged on one side of the lifting mechanism (210), a supporting mechanism (230) is arranged on one side of the transmission device (220), and a rotating mechanism (240) is arranged on one side of the supporting mechanism (230);
the lifting mechanism (210) comprises a lifting frame (211), the lifting frame (211) is arranged in the blackboard frame (111) in a sliding mode, the lifting frame (211) is connected with the sliding plate (114) through a synchronizing device, lifting toothed plates (212) are fixedly connected to two sides of the inner wall of the lifting frame (211), and two sliding toothed blocks (214) are arranged in the middle of the inner portion of the lifting frame (211) in a sliding mode;
the transmission device (220) comprises two adjusting gears (221), two sides of the lifting frame (211) are respectively meshed with the lifting tooth plates (212) and the sliding tooth blocks (214), one end of each adjusting gear (221) is provided with a steering gear set (222), the other end of each adjusting gear (221) is provided with a following gear (223), the steering gear sets (222) and the following gears (223) are connected through a transmission mechanism, the bottom of each steering gear set (222) is provided with a limiting gear (226), two sides of each limiting gear (226) are respectively meshed with the sliding tooth blocks (214) and the lifting tooth plates (212), one end of each limiting gear (226) is rotatably connected with a sliding block (227), and the sliding blocks (227) are in sliding connection with the lifting frame (211);
the supporting mechanism (230) comprises an adjusting toothed plate (231), the adjusting toothed plate (231) is meshed with a following gear (223), one side of the sliding block (227) is inserted with an adjusting rod (234) in a sliding mode, one end of the adjusting rod (234) is fixedly connected with an adjusting spring (233), and the adjusting spring (233) is fixedly connected with the sliding block (227);
the rotating mechanism (240) comprises a display (241), a connecting block (242) is fixedly connected to one side of the display (241), and the adjusting toothed plate (231) is rotatably connected with the connecting block (242).
2. The multimedia blackboard with a reasonable light reflection structure according to claim 1, characterized in that: the synchronous device comprises two sliding plates (114), sliding grooves (113) are formed in the upper side and the lower side of one side of the blackboard frame (111), the sliding plates (114) are arranged in the sliding grooves (113) in a sliding mode, and a fixing plate (112) is fixedly connected to the side wall of one side of the blackboard frame (111).
3. The multimedia blackboard with a reasonable light reflection structure according to claim 2, characterized in that: one side of the inside of the sliding plate (114) is provided with a tooth groove (116) penetrating through the blackboard frame (111), and the bottom end of one side of the sliding plate (114) is fixedly connected with a sliding rack (115).
4. The multimedia blackboard with a reasonable light reflection structure according to claim 1, characterized in that: the inside of blackboard frame (111) is equipped with lazytongs (120), lazytongs (120) include driving gear (121), driving gear (121) rotate to set up in the inside of blackboard frame (111), driving gear (121) and slip rack (115) meshing, one side of driving gear (121) is equipped with driven gear (123), driven gear (123) and blackboard frame (111) rotate and connect, the bottom fixedly connected with synchronizing shaft (122) of driven gear (123), synchronizing shaft (122) and driving gear (121) are connected through same drive mechanism.
5. The multimedia blackboard with a reasonable light reflection structure according to claim 3, characterized in that: one side of slip rack (115) is equipped with synchronous equipment (130), synchronous equipment (130) are including synchronous gear set (132), synchronous gear set (132) comprise two intermeshing's rotating gear, one side rotating gear and the meshing of the slip rack (115) of one side, the one side of keeping away from synchronous gear set (132) in blackboard frame (111) is equipped with synchronous gear (131), the meshing of sliding rack (115) of synchronous gear (131) and opposite side, the rotating gear of synchronous gear (131) and opposite side is connected through the same drive mechanism.
6. The multimedia blackboard with a reasonable light reflection structure according to claim 1, characterized in that: the steering gear set (222) is composed of two bevel gears which are perpendicular to each other and meshed with each other, the bevel gear at the bottom end is fixedly connected with the adjusting gear (221), and the bevel gear at the top end is connected with the following gear (223) through a transmission mechanism.
7. The multimedia blackboard with a reasonable light reflection structure according to claim 1, characterized in that: the adjusting gear (221) is far away from one end of the steering gear set (222) and is rotatably connected with a fixing rod (224), the fixing rod (224) is rotatably connected with a following gear (223), one end of the fixing rod (224) is fixedly connected with a supporting plate (232), the adjusting toothed plate (231) penetrates through the supporting plate (232) and is rotatably connected with the supporting plate (232), and the adjusting rod (234) is fixedly connected with the supporting plate (232).
8. The multimedia blackboard with a reasonable light reflection structure according to claim 6, characterized in that: the top the bottom of bevel gear rotates and is connected with support frame (225), one side and backup pad (232) fixed connection of support frame (225) bottom, the bottom fixedly connected with sliding tooth board (213) of lifting frame (211) one side, sliding tooth board (213) set up in tooth's socket (116) inside and with driven gear (123) meshing.
9. The multimedia blackboard with a reasonable light reflection structure according to claim 7, characterized in that: a supporting block (244) is fixedly connected to one side of the supporting plate (232) close to the bottom, a limiting block (243) is rotatably connected to one side of the supporting block (244), and the limiting block (243) is fixedly connected with the display (241).
10. The multimedia blackboard with a reasonable light reflection structure according to claim 1, characterized in that: the top end of the sliding tooth block (214) is fixedly connected with a limiting rod (215) penetrating through the lifting frame (211), one side of the limiting rod (215) is fixedly connected with a limiting spring (216), the limiting spring (216) is fixedly connected with the lifting frame (211), and the bottom end of the sliding tooth block (214) is fixedly connected with a shifting lever (217) penetrating through the lifting frame (211).
CN202111603577.8A 2021-12-24 2021-12-24 Multimedia blackboard with reasonable light reflection structure Pending CN114251561A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111603577.8A CN114251561A (en) 2021-12-24 2021-12-24 Multimedia blackboard with reasonable light reflection structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111603577.8A CN114251561A (en) 2021-12-24 2021-12-24 Multimedia blackboard with reasonable light reflection structure

Publications (1)

Publication Number Publication Date
CN114251561A true CN114251561A (en) 2022-03-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111603577.8A Pending CN114251561A (en) 2021-12-24 2021-12-24 Multimedia blackboard with reasonable light reflection structure

Country Status (1)

Country Link
CN (1) CN114251561A (en)

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