CN114708754A - Computer is transferred teaching display soon - Google Patents

Computer is transferred teaching display soon Download PDF

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Publication number
CN114708754A
CN114708754A CN202210407396.6A CN202210407396A CN114708754A CN 114708754 A CN114708754 A CN 114708754A CN 202210407396 A CN202210407396 A CN 202210407396A CN 114708754 A CN114708754 A CN 114708754A
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CN
China
Prior art keywords
light
teaching display
wall
shell
display main
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Granted
Application number
CN202210407396.6A
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Chinese (zh)
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CN114708754B (en
Inventor
刘晓飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Minglong Electronic Technology Co ltd
Rizhao Ruisi Information Technology Co.,Ltd.
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Anqing Normal University
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Priority to CN202210407396.6A priority Critical patent/CN114708754B/en
Publication of CN114708754A publication Critical patent/CN114708754A/en
Application granted granted Critical
Publication of CN114708754B publication Critical patent/CN114708754B/en
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00Electrically-operated educational appliances
    • G09B5/02Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44Constructional details
    • 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

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  • 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)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

The invention discloses a computer rotary adjusting teaching display in the technical field of teaching displays, which comprises: teaching display main part, teaching display main part outer wall is provided with anti light auxiliary assembly, anti light auxiliary assembly includes: the anti-light conversion part is arranged at the top of the teaching display main body; wherein the light-conversion-resistant portion includes: a conversion unit disposed within the housing, the conversion unit including a plurality of sets of light-resistant films; and the driving unit is used for driving the light-resistant film in the conversion unit to convert and cover one side of the teaching display main body for light-resistant protection. This technical scheme passes through drive arrangement one drive support frame rotatory, and the through-hole department of shell bottom is arranged in to the roll body that has required anti light membrane, and drive arrangement two drive corresponding axis bodies make the roll body of its outer wall rotatory, and the anti light membrane of its outer wall is unreeled and is covered in teaching display main part one side and resist light protection to avoid the injury to watch the personnel eyes of teaching display.

Description

Computer rotary adjusting teaching display
Technical Field
The invention relates to the technical field of teaching displays, in particular to a computer rotary adjusting teaching display.
Background
The teaching display is a common output device for teaching, is used for reflecting teaching information to human eyes to realize teaching and clearly explaining tasks, helps people to learn progress and facilitates indoor people to observe.
The surface structure of the existing computer rotary-adjusting teaching display is single, most of the existing computer rotary-adjusting teaching display only has the functions of adjusting height and angle, and light resistance protection cannot be performed on the computer rotary-adjusting teaching display according to the light condition in use, for example, glare caused by reflection of outdoor strong light on the surface of the teaching display often occurs in ordinary work, so that the problem of working efficiency is caused, and eyes of people watching the teaching display are injured.
Disclosure of Invention
The invention aims to provide a computer rotary adjustment teaching display to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a computer spin-on instructional display, comprising: teaching display main part, teaching display main part outer wall is provided with anti light auxiliary assembly, anti light auxiliary assembly includes:
the light-resisting conversion part is arranged at the top of the teaching display main body;
the guiding part is arranged at the edge of one side of the teaching display main body and matched with the light-resistant conversion part;
wherein the content of the first and second substances,
the light-conversion-resistant portion includes:
the shell is fixed on the top of the teaching display main body;
a conversion unit disposed within the housing, the conversion unit including a plurality of sets of light-resistant films;
and the driving unit is used for driving the light-resistant film in the conversion unit to convert and cover one side of the teaching display main body for light-resistant protection.
In a further refinement, the conversion unit comprises:
the supporting column is rotatably arranged in the shell, one side of the supporting column penetrates through one side of the shell and then is connected with an output end of a driving device, and the driving device I is fixedly arranged on the outer wall of one side of the shell;
the support frames are fixedly sleeved on two sides of the support column and arranged in the shell respectively, each support frame comprises an assembly ring fixedly sleeved on the outer wall of the support column and a plurality of groups of connecting frames fixedly arranged on the outer wall of the assembly ring in an annular array, and a shaft body is rotatably arranged at the end part between the left connecting frame and the right connecting frame;
and the roll body is fixedly sleeved on the outer wall of the shaft body, and the anti-light film is wound on the outer wall of the roll body.
The improved structure is characterized in that the outer side of the roller body is provided with a guide frame which is U-shaped, the two ends of the guide frame are respectively movably sleeved on the two ends of the outer wall of the shaft body and fixed with the side wall of the connecting frame through a supporting rod, the guide frame is provided with a movable opening through which one end of the anti-light film passes, one end of the anti-light film is connected with a limiting plate after passing through the movable opening, one side area of the limiting plate is larger than the area of the movable opening, and one end of the bottom of the shell is provided with an opening through which the limiting plate passes.
The improved structure is characterized in that the connecting frame of the outer wall of the supporting frame is three groups, three groups of anti-light films of the outer wall of the roller body are respectively an eye-protecting anti-blue-light film, an anti-glare film and an anti-reflection film, one end of the shaft body movably penetrates through the connecting frame on one side, the outer walls on the two sides of the connecting frame are provided with indication blocks, and a transparent plate is fixedly embedded on one side of the shell.
In a further refinement, the drive unit comprises:
the second driving device is arranged at the bottom of the outer wall on one side of the shell;
one end of the elastic telescopic rod is fixed with the output ends of the two ends of the driving device;
the other end of the elastic telescopic rod movably penetrates through the side wall of the shell and extends into the shell, an electromagnetic ring is fixedly sleeved on the elastic telescopic rod, and a clamping block is further arranged at the other end of the elastic telescopic rod;
one end of the shaft body corresponding to the through hole at the bottom of the shell is in positive correspondence with the elastic telescopic rod;
permanent magnet rings are fixedly sleeved at one ends of the multiple groups of shaft bodies corresponding to the elastic telescopic rods, the permanent magnet rings are electrified to adsorb the permanent magnet rings, and a clamping groove matched with the clamping block is formed in one end of each shaft body.
In a further improvement, the guide portion comprises:
the guide seat is arranged on the edge part of one side of the teaching display main body and is U-shaped;
the limiting groove that corresponds and can supply with shell bottom opening is all seted up to the both sides inner wall of guide holder the limiting groove of limiting plate business turn over, the recess with the limiting groove intercommunication is seted up to the bottom inner wall of guide holder, the recess tank bottom be provided with two electric connection's of drive arrangement touching close the button, recess and limiting plate adaptation.
The teaching display is characterized in that the other side of the teaching display main body is connected with the adjusting end of the angle adjusting frame, the angle adjusting frame is arranged at one end of the adjustable telescopic frame, and the other end of the adjustable telescopic frame is connected with the base.
In summary, the present application discloses a computer tuning teaching display.
This technical scheme sets up anti light auxiliary assembly at teaching display main part top, it is rotatory through a drive arrangement drive support frame, the logical mouth department of shell bottom is arranged in to the roll body that has required anti light membrane, adsorb permanent magnetic ring through opening the electromagnetic ring, the fixture block docks with the axis body draw-in groove that corresponds, drive arrangement two drive axis bodies make the roll body of its outer wall rotatory, and then the anti light membrane of its outer wall is unreeled, anti light membrane continues downwards along with the limiting plate under the direction of spacing groove, thereby it closes to close the button contact and control drive arrangement two and close with the touching in the recess, required anti light membrane covers and carries out anti light protection in teaching display main part one side to teaching display main part this moment, thereby avoid unfavorable light source to hurt the personnel's eyes of watching the teaching display, guarantee stable teaching quality.
Drawings
FIG. 1 is a perspective view of a computer rotary adjusting teaching display according to the present invention;
FIG. 2 is a cross-sectional view of a structure of an anti-light converting part in a computer rotation adjustment teaching display according to the present invention;
FIG. 3 is a perspective view of a structure of a conversion unit in a computer rotary adjustment teaching display according to the present invention;
FIG. 4 is an enlarged perspective view of structure A of FIG. 2 according to the present invention;
fig. 5 is a perspective view of a guiding portion structure of a computer rotary adjustment teaching display according to the present invention.
In the figure: 1. a base; 2. an adjustable expansion bracket; 3. an angle adjusting bracket; 4. a teaching display main body; 5. a light-resistant auxiliary component; 51. a light-resistant conversion section; 511. a housing; 512. a conversion unit; 5121. a support frame; 5122. a roller body; 5123. a light-resistant film; 5124. a limiting plate; 5125. a guide frame; 5126. an indication block; 5127. a first driving device; 513. a drive unit; 5131. a second driving device; 5132. an elastic telescopic rod; 5133. an electromagnetic ring; 5134. a clamping block; 52. a guide portion; 521. a guide seat; 522. a limiting groove; 523. a groove; 524. the close button is touched.
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.
Example 1
Referring to fig. 1, a computer rotary adjusting teaching display includes: the teaching display device comprises a base 1 for supporting a teaching display device main body 4, an adjustable telescopic frame 2 arranged at the top of the base 1 and used for adjusting the use height of the teaching display device main body 4, an angle adjusting frame 3 arranged at the top of the adjustable telescopic frame 2 and used for adjusting the use angle of the teaching display device main body 4, and a teaching display device main body 4 arranged at the adjusting end of the angle adjusting frame 3, wherein the teaching display device main body 4 belongs to the prior art, detailed description is not additionally provided, and a light-resistant auxiliary assembly 5 is arranged at the top of the teaching display device main body 4, so that the teaching display device main body 4 can have the functions of reflecting resistance, light-resistant prevention or blue light-resistant when in use;
the shape of the base 1 can be preferably rectangular, and the bottom of the base is provided with a nondestructive fixing device which comprises a sucking disc, a vacuum pumping disc or an adhesive tape and the like, and the detailed description is omitted;
the adjustable telescopic frame 2 belongs to the prior art and comprises a telescopic female rod, a telescopic sub-rod inserted at one end of the telescopic female rod and a bolt movably inserted in the outer wall of one side of the telescopic female rod, wherein the outer wall of the telescopic sub-rod is provided with a plurality of groups of screw holes matched with the bolt, and the adjustable telescopic frame 2 is not limited to the structure;
the angle adjusting frame 3 belongs to the prior art, and one side of the existing teaching display main body 4 is provided with an assembly, which is not further detailed herein;
further, the light-resisting auxiliary assembly 5 comprises a light-resisting conversion part 51 arranged at the top of the teaching display main body 4 and a guide part 52 arranged at the edge of one side of the teaching display main body 4 far away from the angle adjusting frame 3 and matched with the light-resisting conversion part 51;
the guide portion 52 is specifically disposed on one side of the teaching display main body 4 for displaying the screen, and is disposed at an edge thereof so as not to interfere with the normal display screen of the teaching display main body 4.
Example 2
As shown in fig. 2 to 4, the light-resistant conversion part 51 includes a housing 511 fixed to the top of the teaching display main body 4, a conversion unit 512 provided in the housing 511, and a driving unit 513 provided at one end of the housing 511 for driving the conversion unit 512 to operate;
the housing 511 may be a rectangular hollow housing, and a transparent plate made of transparent plastic or the like is embedded at a side close to the guiding portion 52, and a through hole is formed at a side of the bottom of the housing 511, so that a light-resistant film 5123 and a limiting plate 5124, which will be described in detail below, can enter and exit the housing 511;
furthermore, the conversion unit 512 comprises a support column rotatably disposed in the housing 511 through a bearing, the left and right ends of the outer wall of the support column are fixedly sleeved with a support frame 5121, one end of the support column movably penetrates one side of the housing 511 and is connected with the output end of the first driving device 5127, the first driving device 5127 is fixed on the outer wall of one side of the housing 511, the supporting frame 5121 comprises an assembly ring fixedly sleeved on the outer wall of the supporting column and arranged in the shell 511, and a plurality of groups of connecting frames fixedly arranged on the outer wall of the assembly ring in an annular array, as can be seen from fig. 2-3, at least three groups of connecting frames are arranged, a shaft body is rotatably arranged at the end position between the connecting frames in the left and right supporting frames 5121 through a bearing, a roller body 5122 is fixedly sleeved on the outer wall of the shaft body, an anti-light film 5123 is wound on the outer wall of the roller body 5122, and a first driving device 5127 comprises a servo motor and a speed reducer, which belongs to the prior art and is not further detailed herein;
it should be noted that the anti-light films 5123 on the outer walls of the multiple groups of roller bodies 5122 are different and can be an eye-protecting anti-blue-light film, an anti-glare film, an anti-reflection film, and the like;
furthermore, a guide frame 5125 is arranged on the outer side of the roller body 5122, the vertical section of the guide frame 5125 is U-shaped, two ends of the guide frame 5125 are respectively movably sleeved at two ends of the outer wall of the shaft body and are fixed with the corresponding side walls of the connecting frame by adopting a supporting rod, so that the guide frame 5125 is not subjected to the rotating interference of the shaft body, a movable opening for one end of the anti-light film 5123 to pass through is formed in the guide frame 5125, and one end of the anti-light film 5123 passes through the movable opening and is connected with the limiting plate 5124;
it should be noted that, an area of one side of the position limiting plate 5124 is larger than an area of the movable opening, so that the position limiting plate 5124 does not enter or exit the movable opening along with one end of the light-resisting film 5123, and meanwhile, the position limiting plate 5124 can enter or exit the housing 511 through the opening at the bottom of the housing 511.
Example 3
As shown in fig. 4, the driving unit 513 includes a second driving device 5131 disposed at the bottom of the outer wall of one side of the housing 511 and an elastic expansion link 5132 disposed at an output end of the second driving device 5131, the elastic expansion link 5132 penetrates through the outer wall of the housing 511 and a bearing is disposed at a connection position of the second driving device 5131 and the housing 511, the elastic expansion link 5132 belongs to the prior art, details are not described herein, an electromagnetic ring 5133 is fixedly sleeved at the other end of the outer wall of the elastic expansion link 5132, permanent magnetic rings are fixedly sleeved after one ends of a plurality of sets of shaft bodies close to the elastic expansion link 5132 movably penetrate through a connecting frame close to one side of the elastic expansion link 5132, and the electromagnetic ring 5133 is electrified to adsorb the corresponding permanent magnetic ring;
further, a clamping block 5134 is arranged at the other end of the elastic telescopic rod 5132, a clamping groove matched with the clamping block 5134 is formed in one end of the shaft body, the clamping block 5134 can be a cross-shaped clamping block 5134, the clamping groove can be a cross-shaped clamping groove, the electromagnetic ring 5133 is electrified, the elastic telescopic rod 5132 extends, the clamping block 5134 enters the clamping groove in one end of the corresponding shaft body, the second driving device 5131 drives the corresponding shaft body to rotate, and the second driving device 5131 comprises a servo motor and a speed reducer;
it should be noted that the driving unit 513 specifically corresponds to the roller body 5122 facing the through opening, and the driving unit 513 rotates the roller body 5122, so that the light-resistant film 5123 on the outer wall of the roller body 5122 is unwound or wound, the light-resistant film 5123 at the position passes through the through opening downwards and out of the housing 511 when unwound, and enters the housing 511 through the through opening upwards when wound;
furthermore, in order to enable the user to adjust to the required light-resistant film 5123, the outer walls of the two sides of the connecting frame in the supporting frame 5121 are provided with indication blocks 5126, the indication blocks 5126 are written with the name of the light-resistant film 5123 and correspond to the outer wall light-resistant film 5123 of the roller body 5122 on the connecting frame connected, for example, the outer wall light-resistant film 5123 of the roller body 5122 between the left and right connecting frames is the light-resistant film, and the words of the light-resistant film are written on the indication block 5126 of one side of the connecting frame, so that the user can understand the situation through the transparent plate at the front side of the outer shell 511.
Example 4
As shown in fig. 5, the guide portion 52 includes a guide seat 521 disposed on an edge portion of one side of the teaching display main body 4, which is far away from the angle adjusting frame 3, the vertical cross section of the guide seat 521 is U-shaped, and both side inner walls of the guide seat 521 are provided with a limiting groove 522 corresponding to the bottom opening of the housing 511 and allowing the limiting plate 5124 to enter and exit, the anti-optical film 5123 is unreeled so that the limiting plate 5124 at one end faces downward, and the limiting plate 5124 passes through the bottom opening of the housing 511 downward and then both ends of the limiting plate 5124 enter the limiting grooves 522 at both sides respectively;
it should be noted that the top of the limiting groove 522 penetrates the top of the guide seat 521, so that the limiting plate 5124 can move in and out;
further, the inner wall of the bottom of the guide seat 521 is provided with a groove 523 communicated with the limiting groove 522, the groove 523 is matched with the limiting plate 5124, the light-resistant film 5123 connected with the limiting plate 5124 after the limiting plate 5124 enters the groove 523 covers one side of the teaching display main body 4 to provide a light-resistant effect, a touch closing button 524 is arranged at the bottom of the groove 523, the touch closing button 524 is electrically connected with the second driving device 5131, and the limiting plate 5124 enters the groove 523 and then contacts with the touch closing button 524, so that the touch closing button 524 controls the second driving device 5131 to close.
In summary, the working principle of the computer rotation adjustment teaching display is as follows: when the teaching display device is used, all the electric elements in the application are connected with an external power supply through leads, according to the situation when the teaching display device body 4 displays, for example, when the teaching display device body 4 generates glare on the surface, a user can open the first driving device 5127 to rotate the supporting frame 5121 and observe the indicating block 5126, so that the roller body 5122 of which the anti-glare film 5123 is the anti-glare film is arranged at the bottom of the shell 511 and corresponds to the through hole at the bottom of the shell 511, the electromagnetic ring 5133 is opened to adsorb the permanent magnetic ring until the clamping block 5134 is in butt joint with the corresponding shaft body clamping groove, the second driving device 5131 is opened to enable the corresponding shaft body to drive the roller body 5122 of the outer wall to rotate, the anti-glare film 5123 of which the outer wall is the anti-glare film is unreeled downwards through the through hole at the bottom of the shell 511, two ends of the limiting plate 5124 at one end of the anti-glare film 5123 of the anti-glare film respectively enter the limiting grooves 522 at two sides and continue downwards under the guiding of the limiting grooves 522, until the touch closing button 524 in the groove 523 is contacted, the touch closing button 524 controls the second driving device 5131 to close, and the anti-light film 5123 of the anti-light film covers one side of the teaching display main body 4 to prevent the teaching from being influenced by the glare on the surface of the teaching display main body 4.
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. A computer spin-on instructional display, comprising: teaching display main part (4), teaching display main part (4) outer wall is provided with anti light auxiliary assembly (5), its characterized in that: the light-resistant auxiliary assembly (5) comprises:
an anti-light conversion part (51) provided on the top of the teaching display main body (4);
and a guide part (52) which is arranged at one side edge of the teaching display main body (4) and is matched with the light-resistant conversion part (51);
wherein the content of the first and second substances,
the light-conversion-resistant section (51) includes:
a housing (511) fixed on the top of the teaching display main body (4);
a converting unit (512) disposed within the housing (511), the converting unit (512) including sets of light-resistant films (5123);
and a driving unit (513) used for driving the light-resistant film (5123) in the conversion unit (512) to convert and cover one side of the teaching display main body (4) for light-resistant protection.
2. The computer rotary adjusting teaching display of claim 1, wherein: the conversion unit (512) comprises:
the supporting column is rotatably arranged in the shell (511), one side of the supporting column penetrates through one side of the shell (511) and then is connected with an output end of a first driving device (5127), and the first driving device (5127) is fixedly arranged on the outer wall of one side of the shell (511);
the support frames (5121) are fixedly sleeved on two sides of the support column and arranged in the shell (511) respectively, each support frame (5121) comprises an assembly ring fixedly sleeved on the outer wall of the support column and a plurality of groups of connecting frames fixedly arranged on the outer wall of the assembly ring in an annular array, and a shaft body is rotatably arranged at the end part between the left connecting frame and the right connecting frame;
and a roller body (5122) fixedly sleeved on the outer wall of the shaft body, wherein the light-resistant film (5123) is wound on the outer wall of the roller body (5122).
3. A computer transposition teaching display according to claim 2, wherein: the outside of roll body (5122) is provided with leading truck (5125) that is the U-shaped, axis body outer wall both ends are located and fixed with the link lateral wall through branch respectively to leading truck (5125) both ends movable sleeve, the confession has been seted up on leading truck (5125) the activity mouth that anti light membrane (5123) one end was passed, anti light membrane (5123) one end is connected with limiting plate (5124) after passing the activity mouth, a side area of limiting plate (5124) is greater than activity mouth area, the opening that supplies limiting plate (5124) to pass is seted up to the bottom one end of shell (511).
4. A computer transposition teaching display according to claim 3, wherein: the link of support frame (5121) outer wall is three groups altogether, three groups the anti-light membrane (5123) of roll body (5122) outer wall is the eye-protecting respectively and prevents blue light membrane, anti-glare membrane and anti-reflective membrane, and the one end activity of axis body runs through the link of one side, and the both sides outer wall of link all is provided with instruction piece (5126), the fixed transparent plate of establishing of inlaying in one side of shell (511).
5. The computer rotary adjusting teaching display of claim 4, wherein: the drive unit (513) comprises:
a second driving device (5131) arranged at the bottom of the outer wall at one side of the shell (511);
and an elastic telescopic rod (5132) with one end fixed with the output end of the second driving device (5131);
the other end of the elastic telescopic rod (5132) movably penetrates through the side wall of the shell (511) and extends into the shell (511) and is fixedly sleeved with an electromagnetic ring (5133), and the other end of the elastic telescopic rod (5132) is also provided with a clamping block (5134);
one end of the shaft body corresponding to the bottom opening of the shell (511) is just corresponding to the elastic telescopic rod (5132);
permanent magnetic rings are fixedly sleeved at one ends of the multiple groups of shaft bodies corresponding to the elastic telescopic rods (5132), the electromagnetic rings (5133) are electrified to adsorb the permanent magnetic rings, and clamping grooves matched with the clamping blocks (5134) are formed in one ends of the shaft bodies.
6. The computer rotary adjusting teaching display of claim 5, wherein: the guide portion (52) includes:
the guide seat (521) is arranged on the edge part of one side of the teaching display main body (4), and the guide seat (521) is U-shaped;
the both sides inner wall of guide holder (521) all seted up and correspond and can supply with shell (511) bottom opening spacing groove (522) of limiting plate (5124) business turn over, recess (523) with spacing groove (522) intercommunication are seted up to the bottom inner wall of guide holder (521), recess (523) tank bottom is provided with the touching of two (5131) electric connection of drive arrangement and closes button (524), recess (523) and limiting plate (5124) adaptation.
7. The computer rotary adjusting teaching display of claim 6, wherein: the other side of teaching display main part (4) is connected with the regulation end of angle modulation frame (3), angle modulation frame (3) set up the one end in adjustable expansion bracket (2), base (1) is connected to the other end of adjustable expansion bracket (2).
CN202210407396.6A 2022-04-19 2022-04-19 Computer rotation adjustment teaching display Active CN114708754B (en)

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CN114708754B CN114708754B (en) 2023-10-31

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