CN112555654A - Installation adjusting device and method for projector for smart classroom - Google Patents

Installation adjusting device and method for projector for smart classroom Download PDF

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Publication number
CN112555654A
CN112555654A CN202011411367.4A CN202011411367A CN112555654A CN 112555654 A CN112555654 A CN 112555654A CN 202011411367 A CN202011411367 A CN 202011411367A CN 112555654 A CN112555654 A CN 112555654A
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CN
China
Prior art keywords
gear
adjusting
fixedly connected
projector
connecting rod
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Withdrawn
Application number
CN202011411367.4A
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Chinese (zh)
Inventor
朱玉荣
汤鹏飞
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Anhui Wenxiang Information Technology Co Ltd
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Anhui Wenxiang Information Technology Co Ltd
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Priority to CN202011411367.4A priority Critical patent/CN112555654A/en
Publication of CN112555654A publication Critical patent/CN112555654A/en
Withdrawn legal-status Critical Current

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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
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • F16M13/027—Ceiling supports
    • 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
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • 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
    • F16M11/2007—Undercarriages with or without wheels comprising means allowing pivoting adjustment
    • F16M11/2014—Undercarriages with or without wheels comprising means allowing pivoting adjustment around a vertical axis
    • 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
    • F16M11/26—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 telescoping, with or without folding
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Projection Apparatus (AREA)

Abstract

The invention discloses a projector installation adjusting device for an intelligent classroom and an adjusting method thereof, and relates to the technical field of teaching equipment. The invention comprises a fixed tube and a mounting box; a rotary disc is rotationally connected in the fixed tube; the rotary table is rotationally connected with two rotating shafts; the lower end of one rotating shaft is connected with a first screw rod, the upper end of the other rotating shaft is connected with a first gear, the lower end of the other rotating shaft is fixed with a second screw rod, and the upper end of the other rotating shaft is fixed with a second gear; a lower spline shaft is fixed at the upper end of the first gear; the motor is connected with an upper spline shaft; the adjusting plate is rotationally connected with an adjusting gear and a spline housing; the mounting box is connected with the first screw rod and the second screw rod through the first connecting rod and the second connecting rod respectively. According to the invention, the first screw rod and the second screw rod are connected with the mounting box, so that the adjustment of the vertical position and the vertical direction angle of the projector in the mounting box is realized; utilize the carousel to drive the mounting box and rotate in the horizontal direction for the projection position of projecting apparatus obtains nimble regulation, the effectual convenience and the practicality that have improved the projecting apparatus and use.

Description

Installation adjusting device and method for projector for smart classroom
Technical Field
The invention belongs to the technical field of teaching equipment, and particularly relates to a projector installation adjusting device for an intelligent classroom and an adjusting method thereof.
Background
As a novel education form and a modern teaching means, the intelligent classroom brings new opportunities to the education industry, and the intelligent classroom pays more attention to the supervision of students and the intellectualization of hardware while considering big data.
A projector is an optical instrument that magnifies the contour of a workpiece using an optical element and projects it onto a screen. Along with the pluralism of teaching, school has multimedia classroom or wisdom classroom usually at present, accessible projecting apparatus makes the teaching more lively on the projection board with the teaching content in the classroom, improves the interest of teaching.
But current projecting apparatus is in the in-service use in-process, and the projecting position of projecting apparatus often can produce the deviation with the curtain position, and current projecting apparatus passes through the dead lever and hangs at the classroom top, and the high fixed of installation back projecting apparatus can't adjust the projecting position of projecting apparatus.
Therefore, it is highly desirable to improve the existing projector installation method to realize flexible position adjustment of the projector while fixing the projector, thereby improving convenience of projector position adjustment and adaptability of the projector.
Disclosure of Invention
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a projector installation adjusting device for an intelligent classroom, which comprises a fixed tube and an installation box, wherein the fixed tube is fixedly connected with the installation box; the inner wall of the fixed pipe is rotatably connected with a turntable; the inner wall of the fixed pipe is fixedly connected with an inner gear ring, and the inner gear ring is positioned above the turntable; the rotary table is rotationally connected with two rotating shafts; the lower end of one rotating shaft is fixedly connected with a first screw rod, and the lower end of the other rotating shaft is fixedly connected with a second screw rod; the upper ends of the two rotating shafts penetrate through the upper surface of the rotary table, the upper end of one rotating shaft is fixedly connected with a first gear, and the upper end of the other rotating shaft is fixedly connected with a second gear; the upper end face of the first gear is fixedly connected with a lower spline shaft; the upper surface of the rotary table is fixedly connected with a motor through a motor bracket; an output shaft of the motor is fixedly connected with an upper spline shaft; the upper spline shaft and the lower spline shaft are arranged concentrically; the turntable is fixedly connected with a telescopic device; the telescopic end of the telescopic device is connected with an adjusting plate; the lower surface of the adjusting plate is rotatably connected with an adjusting gear which is simultaneously meshed with the first gear and the second gear; the adjusting plate is rotatably connected with a spline sleeve; the upper end of the spline sleeve is matched with the upper spline shaft, and the lower end of the spline sleeve is matched with the lower spline shaft; the outer wall of the spline sleeve is fixedly connected with an outer gear ring, and the outer gear ring is used for being meshed with an inner gear ring; the upper surface of the mounting box is connected with a first connecting rod and is hinged with a second connecting rod; the upper end of the first connecting rod is provided with a first threaded hole matched with the first screw rod; the upper end of the second connecting rod is provided with a second threaded hole matched with the second screw rod; the first connecting rod and the second connecting rod are distributed along the projection direction of the projector; side plates are fixed on the upper surface of the mounting box side by side; the side plate is provided with a straight notch which is horizontally arranged; the first connecting rod is fixedly connected with a guide pillar matched with the straight notch.
Furthermore, the lower surface of the adjusting plate is fixedly connected with a plurality of guide rods; the lower ends of the guide rods penetrate through the rotary table and are fixedly connected with a fixing plate; the fixed plate is connected with the adjusting plate through a telescopic device.
Furthermore, the telescopic device is fixedly connected with the lower surface of the adjusting plate, and the telescopic end is fixedly connected with the upper surface of the fixing plate.
Further, the first gear and the second gear are both in a circular truncated cone-shaped structure; the adjusting gear is of an inverted frustum structure.
Furthermore, the lower end of the upper spline shaft and the upper end of the lower spline shaft are both in a round platform structure.
Further, an annular plate is fixedly connected to the inner wall of the fixed pipe; the upper surface of the annular plate is provided with an annular channel; the lower surface of the turntable is fixedly connected with a rotating ring which is connected with the annular groove in a sliding manner.
Furthermore, a dustproof sleeve is connected between the outer wall of the fixed pipe and the upper surface of the mounting box.
Further, the first connecting rod is arranged at the tail end of the projector.
Further, a spring is sleeved at the lower end of the first connecting rod; the outer wall of the first connecting rod is fixedly connected with a fixing column; the upper end of the spring is abutted against the fixed column, and the lower end of the spring is abutted against the upper surface of the side plate.
An adjusting method of a projector installation adjusting device for a smart classroom comprises the following steps:
the method comprises the following steps: adjusting the up-down position of the projector; the adjusting plate is driven to move downwards through the telescopic device, so that the adjusting gear is meshed with the first gear and the second gear simultaneously, the upper end of the spline housing is connected with the upper spline shaft, and the lower end of the spline housing is connected with the lower spline shaft; the motor is started to drive the first screw rod and the second screw rod to rotate at the same time, so that the vertical position of the mounting box is adjusted;
step two: adjusting the projection angle of the projector in the vertical direction; the adjusting plate is driven to move upwards through the telescopic device, so that the adjusting gear is separated from the first gear and the second gear, the spline sleeve is connected with the upper spline shaft and the lower spline shaft at the same time, and the motor is started to drive the first lead screw to rotate only, so that the angle of the mounting box in the vertical direction is adjusted through the axial movement of the first connecting rod;
step three: adjusting the projection angle of the projector in the horizontal direction; the adjusting plate is driven to move upwards to the highest position of the travel range through the telescopic device, at the moment, the adjusting gear is separated from the first gear and the second gear, the spline sleeve is only connected with the upper spline shaft, the outer gear ring is meshed with the inner gear ring, and the motor drives the outer gear ring to rotate, so that the rotary table rotates, and the mounting box is driven to adjust the angle of the horizontal direction.
The invention has the following beneficial effects:
according to the invention, the rotary table is rotationally connected in the fixed pipe, and the first screw rod and the second screw rod of the rotary table are connected with the mounting box, so that the adjustment of the vertical position and the vertical direction angle of the projector in the mounting box is realized; through the meshing of ring gear and outer ring gear, utilize the carousel to drive the mounting box and rotate on the horizontal direction to make the projection position of projecting apparatus obtain nimble regulation, the effectual convenience and the practicality that improve the projecting apparatus and use.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a projector installation adjustment device for a smart classroom according to the present invention;
FIG. 2 is a top view of the structure of FIG. 1;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a half sectional view of the stationary tube;
FIG. 5 is an enlarged view of the structure of the portion B in FIG. 3;
FIG. 6 is a schematic structural view of the turntable and the adjusting plate;
FIG. 7 is a schematic view of the rear view of FIG. 6;
FIG. 8 is a top view of the structure of FIG. 6;
FIG. 9 is a cross-sectional view taken at B-B of FIG. 8;
FIG. 10 is a schematic view of the structure of the mounting box;
in the drawings, the components represented by the respective reference numerals are listed below:
1-fixed tube, 2-rotary table, 3-adjusting plate, 4-mounting box, 5-projector, 101-inner gear ring, 102-annular plate, 103-annular groove, 201-first lead screw, 202-second lead screw, 203-first gear, 204-second gear, 205-lower spline shaft, 206-motor, 207-upper spline shaft, 208-telescoping device, 209-rotating ring, 301-adjusting gear, 302-spline housing, 303-outer gear ring, 304-guide rod, 305-fixed plate, 401-first connecting rod, 402-second connecting rod, 403-side plate, 404-straight notch, 405-guide column, 406-spring, 407-fixed column.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-4, the present invention relates to a projector mounting and adjusting device for a smart classroom, which includes a fixing tube 1 and a mounting box 4; the outer wall welding of fixed pipe 1 upper end has the mounting panel, and the mounting panel passes through fixed mounting such as screw on wall or furred ceiling. The inner wall of the fixed pipe 1 is rotatably connected with a turntable 2 through a bearing, the inner wall of the fixed pipe 1 is welded or screwed with an inner gear ring 101, and the inner gear ring 101 is positioned above the turntable 2.
Wherein, the inner wall of the fixed pipe 1 is welded with an annular plate 102; the upper surface of the annular plate 102 is provided with an annular channel 103, and the cross section of the annular channel 103 is arc-shaped. The lower surface of the rotary table 2 is fixedly connected with a rotating ring 209 which is connected with the annular groove channel 103 in a sliding manner, the rotating stability of the rotary table 2 can be improved by matching the rotating ring 209 with the annular groove channel 103, and the annular plate 102 can improve the support of the rotary table 2.
As shown in fig. 5-9, the turntable 2 is rotatably connected with two rotating shafts through bearings; the lower end of one of the rotating shafts is fixedly connected with a first screw rod 201, and the lower end of the other rotating shaft is fixedly connected with a second screw rod 202; the upper ends of the two rotating shafts penetrate through the upper surface of the turntable 2, the upper end of one rotating shaft is fixedly connected with a first gear 203, and the upper end of the other rotating shaft is fixedly connected with a second gear 204; the upper end surface of the first gear 203 is fixedly connected with a lower spline shaft 205. Specifically, the first screw 201, the first gear 203 and the lower spline shaft 205 are coaxially arranged.
The upper surface of the turntable 2 is fixedly connected with a motor 206 through a motor bracket; the output shaft of the motor 206 is arranged downwards and fixedly connected with an upper spline shaft 207; the upper spline shaft 207 and the lower spline shaft 205 are arranged concentrically; the turntable 2 is fixedly connected with a telescopic device 208; the adjusting plate 3 is connected to the telescopic end of the telescopic device 208.
Wherein, the lower surface of the adjusting plate 3 is fixedly connected with two guide rods 304; the lower ends of the two guide rods 304 penetrate through the turntable 2 and are fixedly connected with a fixing plate 305; the fixing plate 305 is connected to the adjusting plate 3 via a telescopic device 208. The telescopic device 208 is fixedly connected to the lower surface of the adjusting plate 3, and the telescopic end is fixedly connected to the upper surface of the fixing plate 305. By connecting the telescopic end of the telescopic device 208 to the fixed plate 305, the telescopic device 208 is not affected by the weight of the telescopic device 208 when the fixed plate 305 is driven to move up and down.
The lower surface of the adjusting plate 3 is rotatably connected with an adjusting gear 301 which is simultaneously meshed with the first gear 203 and the second gear 204; the adjusting plate 3 is rotatably connected with a spline housing 302; the upper end of the spline housing 302 is matched with the upper spline shaft 207, and the lower end is matched with the lower spline shaft 205; the outer wall of the spline housing 302 is fixedly connected with an outer gear ring 303, and the outer gear ring 303 is used for being meshed with the inner gear ring 101.
As shown in fig. 10, the inside of the mounting box 4 is used for mounting the projector 5, and a first connecting rod 401 is connected to the upper surface of the mounting box 4, and a second connecting rod 402 is hinged to the upper surface of the mounting box 4; a first threaded hole matched with the first screw rod 201 is formed in the upper end of the first connecting rod 401; the upper end of the second connecting rod 402 is provided with a second threaded hole matched with the second screw rod 202.
The first connecting rod 401 and the second connecting rod 402 are distributed along the projection direction of the projector, and the first connecting rod 401 is disposed at the rear end of the projector, i.e. the first connecting rod 401 is located at the end far away from the lens of the projector 5. Side plates 403 are fixed on the upper surface of the mounting box 4 in parallel; the side plate 403 is provided with a straight notch 404 which is horizontally arranged; the first connecting rod 401 is fixedly connected with a guide post 405 which is matched with the straight notch 404.
Wherein, the lower end of the first connecting rod 401 is sleeved with a spring 406; the outer wall of the first connecting rod 401 is fixedly connected with a fixing column 407; the upper end of the spring 406 abuts against the fixing column 407, the lower end of the spring abuts against the upper surface of the side plate 403, the first connecting rod 401 and the side plate 403 are connected more tightly through the spring 406, and the situation of shaking is avoided.
An adjusting method of a projector installation adjusting device for a smart classroom comprises the following steps:
the method comprises the following steps: as shown in fig. 9, the projector up-down position is adjusted; the fixing plate 305 is pushed downwards by extending the telescopic end of the telescopic device 208, the fixing plate 305 drives the adjusting plate 3 to move downwards through the guide rod 304, the adjusting gear 301 is meshed with the first gear 203 and the second gear 204 simultaneously, the upper end of the spline housing 302 is connected with the upper spline shaft 207, and the lower end of the spline housing is connected with the lower spline shaft 205.
The first gear 203 and the second gear 204 are both in a circular truncated cone-shaped structure; the adjusting gear 301 is of an inverted circular truncated cone structure, so that when the adjusting gear 301 moves downwards, the adjusting gear can be better meshed with the first gear 203 and the second gear 204, and the meshing efficiency is improved. Meanwhile, the lower end of the upper spline shaft 207 and the upper end of the lower spline shaft 205 are both in a circular truncated cone structure, so that the spline housing 302 is more smoothly connected with the upper spline shaft 207 and the lower spline shaft 205 in a matching manner.
The motor 206 starts to pass through the upper spline shaft 207, the spline housing 302 drives the lower spline shaft 205 to rotate, so that the first gear 203 and the first lead screw 201 rotate, the first gear 203 drives the second gear 204 to rotate through the adjusting gear 301, so that the motor 206 simultaneously drives the first lead screw 201 and the second lead screw 202 to rotate, the first lead screw 201 and the second lead screw 202 rotate, so that the first connecting rod 401 and the second connecting rod 402 synchronously realize axial movement, the up-down position adjustment of the mounting box 4 is realized, and the up-down position adjustment of the projector 5 is realized.
Step two: adjusting the projection angle of the projector in the vertical direction; fixing plate 305 is pulled by the telescopic end of telescopic device 208, so that adjusting plate 3 is driven to move upwards, adjusting gear 301 is separated from first gear 203 and second gear 204, spline housing 302 is still connected with upper spline shaft 207 and lower spline shaft 205 at the same time, motor 206 is started to drive first lead screw 201 to rotate, and the angle of the vertical direction of mounting box 4 is adjusted through the axial movement of first connecting rod 401. The first connecting rod 401 is located at one end far away from the lens of the projector 5, so that the angle change of the lens end of the projector 5 is more fine, and the angle of the projector 5 in the vertical direction is accurately adjusted.
Step three: adjusting the projection angle of the projector in the horizontal direction; the adjusting plate 3 is driven to move upwards to the highest position of the stroke range by the contraction of the telescopic end of the telescopic device 208 to the shortest position, at this time, the adjusting gear 301 is separated from the first gear 203 and the second gear 204, the spline housing 302 moves upwards and is only connected with the upper spline shaft 207, and the outer gear ring 303 is meshed with the inner gear ring 101.
The motor 206 is started, the spline housing 302 is driven to rotate only through the upper spline shaft 207, the spline housing 302 drives the outer gear ring 303 to rotate, the outer gear ring 303 rotates to move along the inner gear ring 101, the rotary table 2 rotates, the rotary table 2 drives the mounting box 4 through the first lead screw 201 and the second lead screw 202, the first connecting rod 401 and the second connecting rod 402, and the mounting box 4 is driven to adjust the angle of the projector 5 in the horizontal direction.
Therefore, the adjustment of any angle of the projector is realized through the steps, the convenience of adjusting the projection position of the projector is effectively improved, and the practicability of the projector is improved. Meanwhile, a dustproof sleeve is connected between the outer wall of the fixed pipe 1 and the upper surface of the mounting box 4, so that the inner wall of the fixed pipe 1 is relatively closed, the entering of foreign matters such as dust can be reduced, the service life of internal parts can be prolonged, and the overall attractiveness can be improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. The utility model provides a projecting apparatus installation adjusting device for wisdom classroom which characterized in that: comprises a fixed tube (1) and a mounting box (4); the inner wall of the fixed pipe (1) is rotationally connected with a turntable (2); the inner wall of the fixed pipe (1) is fixedly connected with an inner gear ring (101), and the inner gear ring (101) is positioned above the turntable (2);
the turntable (2) is rotatably connected with two rotating shafts; the lower end of one rotating shaft is fixedly connected with a first screw rod (201), and the lower end of the other rotating shaft is fixedly connected with a second screw rod (202); the upper ends of the two rotating shafts penetrate through the upper surface of the turntable (2), a first gear (203) is fixedly connected to the upper end of one rotating shaft, and a second gear (204) is fixedly connected to the upper end of the other rotating shaft; the upper end surface of the first gear (203) is fixedly connected with a lower spline shaft (205);
the upper surface of the turntable (2) is fixedly connected with a motor (206) through a motor bracket; an output shaft of the motor (206) is fixedly connected with an upper spline shaft (207); the upper spline shaft (207) and the lower spline shaft (205) are arranged concentrically; the turntable (2) is fixedly connected with a telescopic device (208); the telescopic end of the telescopic device (208) is connected with an adjusting plate (3);
the lower surface of the adjusting plate (3) is rotatably connected with an adjusting gear (301) which is meshed with the first gear (203) and the second gear (204) simultaneously; the adjusting plate (3) is rotatably connected with a spline sleeve (302); the upper end of the spline sleeve (302) is matched with the upper spline shaft (207), and the lower end of the spline sleeve is matched with the lower spline shaft (205); the outer wall of the spline sleeve (302) is fixedly connected with an outer gear ring (303), and the outer gear ring (303) is used for being meshed with an inner gear ring (101);
the upper surface of the mounting box (4) is connected with a first connecting rod (401) and is hinged with a second connecting rod (402); the upper end of the first connecting rod (401) is provided with a first threaded hole matched with the first screw rod (201); a second threaded hole matched with the second screw rod (202) is formed in the upper end of the second connecting rod (402);
the first connecting rod (401) and the second connecting rod (402) are distributed along the projection direction of the projector; side plates (403) are fixed on the upper surface of the mounting box (4) side by side; the side plate (403) is provided with a straight notch (404) which is horizontally arranged; the first connecting rod (401) is fixedly connected with a guide post (405) matched with the straight notch (404).
2. The projector mounting adjustment device for the intelligent classroom according to claim 1, wherein the lower surface of the adjustment plate (3) is fixedly connected with a plurality of guide rods (304); the lower ends of the guide rods (304) penetrate through the turntable (2) and are fixedly connected with a fixing plate (305); the fixed plate (305) is connected with the adjusting plate (3) through a telescopic device (208).
3. The projector mounting and adjusting device for the smart classroom according to claim 2, wherein the telescoping device (208) is fixedly connected to the lower surface of the adjusting plate (3), and the telescoping end is fixedly connected to the upper surface of the fixing plate (305).
4. The projector installation adjustment device for the smart classroom according to claim 1, 2 or 3, wherein the first gear (203) and the second gear (204) are both circular truncated cone-shaped structures; the adjusting gear (301) is of an inverted frustum structure.
5. The projector installation adjusting device for the intelligent classroom as claimed in claim 4, wherein the lower end of the upper spline shaft (207) and the upper end of the lower spline shaft (205) are both in the shape of a truncated cone.
6. The projector installation and adjustment device for the intelligent classroom according to claim 1 or 4, wherein the inner wall of the fixed tube (1) is fixedly connected with an annular plate (102); an annular channel (103) is formed in the upper surface of the annular plate (102); the lower surface of the turntable (2) is fixedly connected with a rotating ring (209) which is connected with the annular groove channel (103) in a sliding manner.
7. The projector installation and adjustment device for the intelligent classroom according to claim 1, wherein a dust-proof sleeve is connected between the outer wall of the fixed tube (1) and the upper surface of the installation box (4).
8. The projector mounting adjustment device for the smart classroom according to claim 1, 3, 5 or 7, wherein the first connecting rod (401) is disposed at a rear end of the projector.
9. The projector mounting adjustment device for the smart classroom according to claim 1, wherein the lower end of the first connecting rod (401) is sleeved with a spring (406); the outer wall of the first connecting rod (401) is fixedly connected with a fixing column (407); the upper end of the spring (406) is abutted against the fixed column (407), and the lower end of the spring is abutted against the upper surface of the side plate (403).
10. An adjusting method of an installation adjusting device of a projector for a smart classroom is characterized by comprising the following steps:
the method comprises the following steps: adjusting the up-down position of the projector; the adjusting plate (3) is driven to move downwards through the telescopic device (208), so that the adjusting gear (301) is meshed with the first gear (203) and the second gear (204) simultaneously, the upper end of the spline housing (302) is connected with the upper spline shaft (207), and the lower end of the spline housing is connected with the lower spline shaft (205); the motor (206) is started and drives the first screw rod (201) and the second screw rod (202) to rotate at the same time, so that the vertical position of the mounting box (4) is adjusted;
step two: adjusting the projection angle of the projector in the vertical direction; the adjusting plate (3) is driven to move upwards through the telescopic device (208), so that the adjusting gear (301) is separated from the first gear (203) and the second gear (204), the spline sleeve (302) is still connected with the upper spline shaft (207) and the lower spline shaft (205) at the same time, the motor (206) is started to drive the first screw rod (201) to rotate, and the angle of the mounting box (4) in the vertical direction is adjusted through the axial movement of the first connecting rod (401);
step three: adjusting the projection angle of the projector in the horizontal direction; the adjusting plate (3) is driven to move upwards to the highest position of the travel range through the telescopic device (208), at the moment, the adjusting gear (301) is separated from the first gear (203) and the second gear (204), the spline sleeve (302) is only connected with the upper spline shaft (207), the outer gear ring (303) is meshed with the inner gear ring (101), and the motor (206) drives the outer gear ring (303) to rotate, so that the rotary disc (2) rotates, and the mounting box (4) is driven to adjust the angle of the horizontal direction.
CN202011411367.4A 2020-12-04 2020-12-04 Installation adjusting device and method for projector for smart classroom Withdrawn CN112555654A (en)

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CN113124277A (en) * 2021-04-26 2021-07-16 东营科技职业学院 Intelligent interactive integrated equipment for preschool education

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CN113124277A (en) * 2021-04-26 2021-07-16 东营科技职业学院 Intelligent interactive integrated equipment for preschool education

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