CN112460397A - Display device for multimedia teaching convenient to adjust - Google Patents
Display device for multimedia teaching convenient to adjust Download PDFInfo
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- CN112460397A CN112460397A CN202011323251.5A CN202011323251A CN112460397A CN 112460397 A CN112460397 A CN 112460397A CN 202011323251 A CN202011323251 A CN 202011323251A CN 112460397 A CN112460397 A CN 112460397A
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- Prior art keywords
- adjust
- steering
- display device
- adjusting
- fixedly connected
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- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 244000089486 Phragmites australis subsp australis Species 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
- B08B17/04—Preventing deposition of fouling or of dust by using removable coverings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/38—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
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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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to the technical field of multimedia, and discloses a display device for multimedia teaching, which is convenient to adjust and comprises a vehicle body, wherein a direction adjusting rod is rotatably connected with direction adjusting push teeth, the right sides of the direction adjusting push teeth are provided with reeds, the direction adjusting push teeth correspond to teeth on the outer side of a direction adjusting disc, a screw rod is in threaded connection with a thread block, the thread block is rotatably connected with a lifting assembly, a sliding ring at the left end of the right part is connected with the lower part of a track, a sliding ring at the right end of the left part is connected with the upper part of the track, a dustproof curtain is arranged between the. The display device for multimedia teaching convenient to adjust drives the direction-adjusting pushing teeth to rotate by matching the direction-adjusting rod with the reed, and the direction-adjusting pushing teeth drive the direction-adjusting disc to rotate; the two thread blocks are driven by the screw rod to slide oppositely or oppositely, and then the lifting component is driven to extend or contract; drive right part sliding ring through the track and slide left, the sliding ring of left part slides right, and both sides dustproof curtain moves in opposite directions, and the cooperation magnet strip adsorbs to reach respectively and adjust the demonstration direction, adjust and show height, dustproof protection effect.
Description
Technical Field
The invention relates to the technical field of multimedia, in particular to a display device for multimedia teaching, which is convenient to adjust.
Background
Multimedia is the synthesis of multiple media, usually includes multiple media forms such as text, sound, image, along with the continuous development of multimedia technology, its application in the aspect of teaching is also more and more extensive, and mr can show the knowledge content on the display screen in more diversified form, makes student's understanding and study more efficient.
Most of the existing display screens are fixed in classrooms, and cannot give lessons outdoors, and the existing display screens have some defects, such as that the display direction cannot be adjusted at any time as required; for example, the height of the display can not be adjusted so as to be convenient for students to watch; in addition, when the display screen is not used, indoor dust, especially chalk dust and the like are often adsorbed on the display screen, and certain inconvenience is brought to next use.
Disclosure of the invention technical problem (1)
Aiming at the defects of the prior art, the invention provides the display device for multimedia teaching, which is convenient to adjust, has the advantages of adjusting the display direction, adjusting the display height, preventing dust, protecting and the like, and solves the problems that the display direction, the display height and the dust cannot be adjusted by the conventional device.
(II) technical scheme
In order to achieve the purposes of adjusting the display direction, adjusting the display height and preventing dust, the invention provides the following technical scheme: a display device for multimedia teaching convenient to adjust comprises a vehicle body, wherein a direction adjusting mechanism is fixedly arranged on the upper surface of the vehicle body, a direction adjusting disc is rotatably connected inside the direction adjusting mechanism, an auxiliary plate is arranged at the right end of the direction adjusting disc, a direction adjusting rod is rotatably connected at the rear side of the direction adjusting disc, tension springs are respectively and fixedly connected between the upper side and the lower side of the right end of the direction adjusting rod and the upper inner wall and the lower inner wall of the direction adjusting mechanism, a direction adjusting push tooth is rotatably connected on the front surface of the direction adjusting push tooth, a reed is arranged at the right side of the direction adjusting push tooth, a push handle is fixedly connected at the right end of the direction adjusting rod, a fixed plate is fixedly connected at the front end of the direction adjusting disc through the direction adjusting mechanism, two thread blocks are slidably connected on the upper surface of the fixed plate, a screw rod is connected with the inner thread of each thread, the last fixed surface of backup pad installs the display frame, the inboard fixed mounting of display frame has the display screen, and both ends difference fixedly connected with fixed block about its top, the front side fixed mounting of right side fixed block has the drive wheel, the front side rotation of left side fixed block is connected with from the driving wheel, the transmission is connected with the track between follow driving wheel and the drive wheel, fixedly connected with dead lever between two fixed blocks, two difference sliding connection of left and right sides of dead lever has the sliding ring, grip block under the bottom fixedly connected with of the leftmost sliding ring of right part, grip block on the top fixedly connected with of the rightmost sliding ring of left part, there is the dust curtain between right part sliding ring and the left part sliding ring difference fixed mounting, the opposite side difference fixed mounting of.
Preferably, the outer side of the direction-adjusting disc is equidistantly connected with teeth corresponding to the direction-adjusting pushing teeth, and the direction-adjusting pushing teeth can push the teeth to enable the direction-adjusting disc to rotate.
Preferably, the auxiliary plate is matched with the direction-adjusting pushing teeth and the reed respectively, the reed always extrudes the direction-adjusting pushing teeth, the auxiliary plate plays a role in driving the direction-adjusting disc to rotate reversely when the direction-adjusting pushing teeth reset, and the right side of the direction-adjusting mechanism is provided with a through hole corresponding to the pushing handle.
Preferably, the upper surface of the fixing plate is provided with a sliding chute corresponding to the thread block, the thread block is limited to slide only left and right, the left and right threads on the screw rod are opposite in direction, the right end of the screw rod is connected with a screw rod rotating handle, and the two thread blocks can only slide oppositely or oppositely when the screw rod rotates.
Preferably, the bottom of the supporting plate is provided with a sliding groove corresponding to the sliding block, so that the sliding block is limited to slide only left and right.
Preferably, the left and right sliding rings are fixedly connected to the inner side surface of the fixed block respectively, the lower clamping block is fixedly connected with the bottom crawler, the upper clamping block is fixedly connected with the upper crawler, and the left and right sliding rings slide in the opposite direction or in the opposite direction when crawler transmission is realized.
Preferably, the size of dustproof curtain suits with the size of display screen, and both sides magnet strip opposite face magnetic pole is opposite, makes the dustproof curtain can cover the display screen completely, and both sides magnet strip is adsorbable for can not blow the dustproof curtain open when windy.
(III) advantageous effects
Compared with the prior art, the invention provides the display device for the multimedia teaching, which is convenient to adjust and has the following beneficial effects:
1. this display device for multimedia teaching convenient to adjust pushes away the handle through promoting and drives the accent pole rotation, and the accent is moved to pole cooperation reed and is driven the accent and to pushing away the tooth rotation, and the accent is moved to pushing away the tooth and is driven the accent dish and rotate, and the accent dish drives the fixed plate rotation, and rethread cooperation accessory plate makes the accent can not drive the accent dish once more and rotates when pushing away the tooth and reseing to the effect of adjusting the display direction has been reached.
2. This display device for multimedia teaching convenient to adjust through the screw rod cooperation on it the screw thread of positive and negative design, the screw rod rotates and drives two screw thread pieces and slide in opposite directions or contrary, drives lifting unit extension or shrink then, and the cooperation slider makes the backup pad upwards or move down to the effect of adjusting display height has been reached.
3. This display device for multimedia teaching convenient to adjust drives track clockwise drive from the driving wheel through the drive wheel cooperation, and the track drives the sliding ring of right part and slides left, and the sliding ring of left part slides right, drives both sides dustproof curtain and extends the motion in opposite directions then, and cooperation both sides magnet strip makes both sides dustproof curtain adsorb together, can not be blown open by the wind to dustproof protection's effect has been reached.
Drawings
FIG. 1 is a front sectional view of the present invention;
FIG. 2 is an enlarged partial view of the portion A shown in FIG. 1;
FIG. 3 is a cross-sectional view of the direction-adjusting mechanism of the present invention;
FIG. 4 is an enlarged partial view of the portion B shown in FIG. 3 according to the present invention;
FIG. 5 is a diagram of the operating state of FIG. 3 according to the present invention;
FIG. 6 is a diagram illustrating the operation of the lifting assembly according to the present invention;
fig. 7 is a working state diagram of the related structure of the dust curtain of the invention.
In the figure: 1. a vehicle body; 2. a direction adjusting mechanism; 201. a steering disc; 202. an auxiliary plate; 203. a direction adjusting rod; 204. a tension spring; 205. adjusting the direction and pushing the teeth; 206. a reed; 207. a push handle; 3. a fixing plate; 4. a thread block; 5. a screw; 6. a lifting assembly; 7. a slider; 8. a support plate; 9. a display frame; 10. a display screen; 11. a fixed block; 12. a drive wheel; 13. a driven wheel; 14. a crawler belt; 15. fixing the rod; 16. A slip ring; 17. a lower clamping block; 18. an upper clamping block; 19. a dust curtain; 20. and a magnet strip.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a display device for multimedia teaching convenient to adjust comprises a car body 1, a direction adjusting mechanism 2 is fixedly installed on the upper surface of the car body 1, a direction adjusting disc 201 is rotatably connected inside the direction adjusting mechanism 2, teeth corresponding to the direction adjusting push teeth 205 are equidistantly connected to the outer side of the direction adjusting disc 201, the direction adjusting push teeth 205 can push the teeth to rotate the direction adjusting disc 201, an auxiliary plate 202 is arranged at the right end of the direction adjusting disc 201, a direction adjusting rod 203 is rotatably connected to the rear side of the direction adjusting disc, tension springs 204 are respectively fixedly connected between the upper side and the lower side of the right end of the direction adjusting rod 203 and the upper inner wall and the lower inner wall of the direction adjusting mechanism 2, the direction adjusting push teeth 205 are rotatably connected to the front surface of the direction adjusting push teeth 205, a reed 206 is arranged at the right side of the direction adjusting push teeth 205, a push handle 207 is fixedly connected to the right end of the direction adjusting rod 203, the auxiliary plate 202 is respectively adapted to the direction adjusting, the auxiliary plate 202 plays a role of not driving the steering disc 201 to rotate reversely when the steering pushing teeth 205 are reset, and the right side of the steering mechanism 2 is provided with a through hole corresponding to the pushing handle 207.
Transfer to the front end of dish 201 and run through and transfer to 2 fixedly connected with fixed plate 3 of mechanism, the upper surface sliding connection of fixed plate 3 has two screw blocks 4, the inside threaded connection of screw block 4 has screw rod 5, and its upper portion rotates and is connected with elevating module 6, the spout that corresponds with screw block 4 is seted up to fixed plate 3 upper surface, restriction screw block 4 only can the horizontal slip, two screw thread opposite direction about on the screw rod 5, and its right-hand member is connected with the screw rod and changes the handle, when screw rod 5 rotates, two screw blocks 4 only can be in opposite directions or slide in opposite directions, both ends are rotated respectively about elevating module 6's the top and are connected with slider 7, the upper portion sliding connection of slider 7 has backup pad 8, the spout that corresponds with slider 7 is seted up to backup pad 8 bottom, restriction slider 7 only can the.
The upper surface of the supporting plate 8 is fixedly provided with a display frame 9, the inner side of the display frame 9 is fixedly provided with a display screen 10, the left and right ends of the top part of the display frame 9 are respectively and fixedly connected with a fixed block 11, the front side of the right fixed block 11 is fixedly provided with a driving wheel 12, the front side of the left fixed block 11 is rotatably connected with a driven wheel 13, a crawler 14 is in transmission connection between the driven wheel 13 and the driving wheel 12, a fixed rod 15 is fixedly connected between the two fixed blocks 11, the left and right parts of the fixed rod 15 are respectively and slidably connected with a sliding ring 16, the bottom end of the leftmost sliding ring 16 at the right part is fixedly connected with a lower clamping block 17, the top end of the rightmost sliding ring 16 at the left part is fixedly connected with an upper clamping block 18, the sliding rings 16 at the left and right ends are respectively and fixedly connected, the left and right slip rings 16 slide oppositely or oppositely, the dust-proof curtains 19 are fixedly mounted between the right slip ring 16 and the left slip ring 16 respectively, the opposite sides of the two side dust-proof curtains 19 are fixedly mounted with magnet strips 20 respectively, the size of the dust-proof curtains 19 is matched with the size of the display screen 10, the opposite magnetic poles of the opposite surfaces of the magnet strips 20 on the two sides are opposite, so that the dust-proof curtains 19 can completely cover the display screen 10, and the magnet strips 20 on the two sides can be adsorbed, so that the dust-proof curtains 19 cannot be blown away when wind exists.
The working principle is as follows: this display device for multimedia teaching convenient to adjust, this device is installed on the small handcart, it is applicable in outdoor teaching, it rotates to transfer pole 203 to drive through promoting to push away 207, because reed 206 extrudees the accent all the time and transfers to pushing away tooth 205, so transfer to pole 203 and rotate and drive the accent and transfer to pushing away tooth 205 and rotate, transfer to pushing away tooth 205 cooperation and transferring to the tooth that the dish 201 outside is connected and driving to transfer to dish 201 and rotate, transfer to dish 201 and rotate and drive fixed plate 3 and rotate, the accessory plate 202 that the rethread cooperation was transferred to the setting of dish 201 right-hand member, make when transferring to pushing away tooth 205 and reseing can not drive once more and transfer to dish 201 and rotate, thereby the effect of adjusting the display direction has been reached.
Rotate to drive screw rod 5 through rotating the screw rod and rotate, the screw thread of two parts positive and negative designs respectively on the cooperation screw rod 5, screw rod 5 rotates and drives two screw thread blocks 4 and slide in opposite directions or contrary, drives lifting unit 6 then and extends or shrink, and the slider 7 of connecting is rotated at 6 tops of cooperation lifting unit, and slider 7 can slide at 8 lower surfaces of backup pad for 8 upwards or the lapse of backup pad, thereby has reached the effect of adjusting display height.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a display device for multimedia teaching convenient to adjust, includes automobile body (1), its characterized in that: the steering mechanism is characterized in that a steering mechanism (2) is fixedly mounted on the upper surface of the car body (1), a steering disc (201) is rotatably connected inside the steering mechanism (2), an auxiliary plate (202) is arranged at the right end of the steering disc (201), a steering rod (203) is rotatably connected to the rear side of the steering disc, tension springs (204) are respectively fixedly connected between the upper side and the lower side of the right end of the steering rod (203) and the upper inner wall and the lower inner wall of the steering mechanism (2), a steering push tooth (205) is rotatably connected to the front surface of the steering disc, a reed (206) is arranged on the right side of the steering push tooth (205), a push handle (207) is fixedly connected to the right end of the steering rod (203), a fixing plate (3) is fixedly connected to the front end of the steering disc (201) in a penetrating mode through the steering mechanism (2), two thread blocks (4) are slidably connected to the upper surface of the fixing plate (3), a screw (5, the left end and the right end of the top of the lifting component (6) are respectively rotatably connected with a sliding block (7), the upper part of the sliding block (7) is slidably connected with a supporting plate (8), the upper surface of the supporting plate (8) is fixedly provided with a display frame (9), the inner side of the display frame (9) is fixedly provided with a display screen (10), the left end and the right end of the top of the lifting component are respectively fixedly connected with a fixed block (11), the front side of the right fixed block (11) is fixedly provided with a driving wheel (12), the front side of the left fixed block (11) is rotatably connected with a driven wheel (13), a crawler belt (14) is in transmission connection between the driven wheel (13) and the driving wheel (12), a fixed rod (15) is fixedly connected between the two fixed blocks (11), the left part and the right part of the fixed rod (15), the top end of the rightmost slip ring (16) at the left part is fixedly connected with an upper clamping block (18), a dustproof curtain (19) is fixedly installed between the slip ring (16) at the right part and the slip ring (16) at the left part respectively, and magnet strips (20) are fixedly installed at the opposite sides of the dustproof curtains (19) at the two sides respectively.
2. The display device for multimedia teaching that is easy to adjust as set forth in claim 1, wherein: the outer side of the direction-adjusting disc (201) is equidistantly connected with teeth corresponding to the direction-adjusting pushing teeth (205).
3. The display device for multimedia teaching that is easy to adjust as set forth in claim 1, wherein: the auxiliary plate (202) is respectively matched with the direction-adjusting pushing teeth (205) and the spring plates (206), and the right side of the direction-adjusting mechanism (2) is provided with a through hole corresponding to the pushing handle (207).
4. The display device for multimedia teaching that is easy to adjust as set forth in claim 1, wherein: the upper surface of the fixed plate (3) is provided with a sliding chute corresponding to the thread block (4), the left and right threads on the screw rod (5) have opposite directions, and the right end of the screw rod is connected with a screw rod rotating handle.
5. The display device for multimedia teaching that is easy to adjust as set forth in claim 1, wherein: and the bottom of the supporting plate (8) is provided with a sliding groove corresponding to the sliding block (7).
6. The display device for multimedia teaching that is easy to adjust as set forth in claim 1, wherein: the left and right sliding rings (16) are respectively fixedly connected to the inner side surface of the fixed block (11), the lower clamping block (17) is fixedly connected with the bottom crawler (14), and the upper clamping block (18) is fixedly connected with the upper crawler.
7. The display device for multimedia teaching that is easy to adjust as set forth in claim 1, wherein: the size of the dustproof curtain (19) is matched with that of the display screen (10), and the opposite surfaces of the magnet strips (20) on the two sides have opposite magnetic poles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011323251.5A CN112460397A (en) | 2020-11-23 | 2020-11-23 | Display device for multimedia teaching convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011323251.5A CN112460397A (en) | 2020-11-23 | 2020-11-23 | Display device for multimedia teaching convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112460397A true CN112460397A (en) | 2021-03-09 |
Family
ID=74799605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011323251.5A Withdrawn CN112460397A (en) | 2020-11-23 | 2020-11-23 | Display device for multimedia teaching convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112460397A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775872A (en) * | 2021-09-03 | 2021-12-10 | 湖北大信博文网络科技有限公司 | Video playback device based on wisdom campus display terminal |
| CN114370900A (en) * | 2022-02-18 | 2022-04-19 | 上海释格检测技术有限公司 | Environment online monitoring operation platform based on software as a service (SaaS) technology and use method thereof |
| CN114719164A (en) * | 2021-04-23 | 2022-07-08 | 苏州道可道设计策划有限公司 | Lifting multimedia equipment |
-
2020
- 2020-11-23 CN CN202011323251.5A patent/CN112460397A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719164A (en) * | 2021-04-23 | 2022-07-08 | 苏州道可道设计策划有限公司 | Lifting multimedia equipment |
| CN113775872A (en) * | 2021-09-03 | 2021-12-10 | 湖北大信博文网络科技有限公司 | Video playback device based on wisdom campus display terminal |
| CN114370900A (en) * | 2022-02-18 | 2022-04-19 | 上海释格检测技术有限公司 | Environment online monitoring operation platform based on software as a service (SaaS) technology and use method thereof |
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Application publication date: 20210309 |