CN113920791A - Object projection arrangement for multimedia teaching - Google Patents

Object projection arrangement for multimedia teaching Download PDF

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Publication number
CN113920791A
CN113920791A CN202111278099.8A CN202111278099A CN113920791A CN 113920791 A CN113920791 A CN 113920791A CN 202111278099 A CN202111278099 A CN 202111278099A CN 113920791 A CN113920791 A CN 113920791A
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CN
China
Prior art keywords
fixedly connected
projection device
connecting piece
screw shaft
multimedia teaching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111278099.8A
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Chinese (zh)
Inventor
王旭
郭燕齐
刘祥磊
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.)
Individual
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202111278099.8A priority Critical patent/CN113920791A/en
Publication of CN113920791A publication Critical patent/CN113920791A/en
Pending legal-status Critical Current

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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
    • 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
    • F16M11/043—Allowing translations
    • F16M11/046—Allowing translations adapted to upward-downward translation movement
    • 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
    • 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
    • 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
    • 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
    • G03B21/14—Details
    • G03B21/145—Housing details, e.g. position adjustments thereof
    • 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

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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 an object projection device for multimedia teaching, which comprises a wall body, a movable table, a projection device and a protective cover, wherein a first motor is fixedly installed on one side inside the wall body, a first screw shaft is fixedly connected to one side of the first motor, and the wall body is movably connected to the outside of the first screw shaft. According to the invention, the fixed arms movably connected at two sides of the connecting piece are inserted into the clamping grooves on the projection device, and meanwhile, the second clamping blocks at the top end of the projection device are inserted into the clamping grooves at the bottom end of the connecting piece, so that the connection between the connecting piece and the projection device can be completed.

Description

Object projection arrangement for multimedia teaching
Technical Field
The invention relates to the technical field of multimedia projection, in particular to an object projection device for multimedia teaching.
Background
The multimedia teaching is that in the teaching process, according to the characteristics of a teaching target and a teaching object, modern teaching media are reasonably selected and applied through teaching design, and are organically combined with the traditional teaching means to jointly participate in the whole teaching process, and various media information acts on students to form a reasonable teaching process structure so as to achieve the optimized teaching effect. The multimedia is an indispensable equipment concept for modern education technology education of computers, projectors, slide projectors, display stands, videos, broadcasts, films, electronic whiteboards, computers and the like, and the modern education theory and technology are applied to realize the theory and practice of modern teaching by designing, developing, applying, managing and evaluating the teaching process and resources
The existing object projection device for multimedia teaching has the defects that the position is fixed and cannot be adjusted, and the operation projection range is limited.
Disclosure of Invention
The invention aims to provide an object projection device for multimedia teaching, which aims to solve the problems that the position is fixed and cannot be adjusted, the operation projection range is limited and the like in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an object projection arrangement for multimedia teaching, includes wall body, movable table, projection arrangement and visor, the inside one side fixed mounting of wall body has first motor, the first screw axis of one side fixedly connected with of first motor, the outside swing joint of first screw axis has the wall body, the outside one side swing joint of first screw axis has first movable block, the bottom fixedly connected with fixed station of first movable block, the bottom fixed mounting of fixed station has the second motor, the bottom fixedly connected with second screw axis of second motor, the outside swing joint of second screw axis has the movable table, the bottom fixedly connected with connecting piece of movable table.
Preferably, the first spring of one side fixedly connected with of connecting piece inside, one side fixedly connected with second movable block of first spring, the outside sliding connection of second movable block has the connecting piece, one side fixedly connected with connecting rod of second movable block, the fixed draw-in groove that is provided with in intermediate position of connecting piece bottom.
Preferably, the two sides of the outer portion of the connecting piece are provided with fixed arms, the top end of one side of each fixed arm is fixedly connected with a connecting rod, and the bottom end of one side of each fixed arm is fixedly connected with a first clamping block.
Preferably, the bottom end of the connecting piece is provided with a projection device, the top end of the projection device is fixedly connected with a second clamping block, and the outside of the second clamping block is movably connected with a clamping groove.
Preferably, one side of the exterior of the projection device is movably connected with a pull rod, one side of the pull rod is fixedly connected with an insertion rod, and one side of the pull rod is fixedly connected with a second spring.
Preferably, one side of the outer portion of the projection device is fixedly provided with a limiting groove, one side of the projection device is movably connected with a protective cover, one side of the protective cover is fixedly connected with a limiting block, and one side of the limiting block is movably connected with the limiting groove.
Preferably, one side of the limiting block is fixedly connected with a connecting hole, and the outside of the connecting hole is movably connected with an inserting rod.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the object projection device for multimedia teaching, the first motor is installed on one side inside the wall body, the first screw shaft can be driven to rotate by starting the first motor, meanwhile, the first movable block on the first screw shaft can freely move on the first screw shaft and drive the projection device below to move left and right, the bottom end of the first movable block is connected with the second motor through the fixed table, the second screw shaft can be driven to rotate by starting the second motor, so that the movable table drives the projection device to lift on the second screw shaft, and the projection device can be driven to move left and right and be adjusted in height by matching the first movable block with the movable table, so that the overall projection range of the projection device is expanded;
2. according to the object projection device for multimedia teaching, the fixed arms movably connected to the two sides of the connecting piece are inserted into the clamping grooves in the projection device, meanwhile, the second clamping blocks at the top end of the projection device are inserted into the clamping grooves at the bottom end of the connecting piece, so that the connecting piece and the projection device can be connected, when the projection device needs to be disassembled and overhauled, the fixed arms at the two sides of the connecting piece are pulled at the same time, the fixed arms can pull the second movable block at one side through the connecting rods, the second movable block stretches the first spring at one side, and at the moment, the first clamping blocks at the bottom end of the fixed arms can be pulled out of the clamping grooves in the projection device, so that the projection device is disassembled and overhauled;
3. this kind of object projection arrangement is used in multimedia teaching, through the pull rod of pulling projection arrangement one side, can make the second spring of pull rod extrusion one side, and make the inserted bar of pull rod opposite side take out from the spacing inslot portion, and insert the inside of spacing groove through the stopper of visor bottom, loosen the pull rod, and because in the second spring is by extruded counteraction, can promote the inserted bar of one side through the pull rod, and make the inserted bar insert the connecting hole on the stopper, can accomplish being connected between projection arrangement and the visor this moment, play the dustproof guard action to projection arrangement projecting lens.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a front view of the shift rod of the present invention;
fig. 4 is a schematic front view of the protective cover of the present invention.
In the figure: 1. a wall body; 101. a first motor; 102. a first screw shaft; 103. a first movable block; 104. a fixed table; 2. a second motor; 201. a second screw shaft; 3. a movable table; 4. a connecting member; 401. a first spring; 402. a second movable block; 403. a connecting rod; 404. a card slot; 5. a fixed arm; 501. a first clamping block; 6. a projection device; 601. a second fixture block; 7. a pull rod; 701. inserting a rod; 702. a second spring; 8. a limiting groove; 9. a protective cover; 901. a limiting block; 902. and connecting the holes.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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.
Please refer to fig. 1-4 for an embodiment of the present invention: an object projection device for multimedia teaching comprises a wall body 1, a movable table 3, a projection device 6 and a protective cover 9, wherein a first motor 101 is fixedly installed on one side inside the wall body 1, a first screw shaft 102 is fixedly connected to one side of the first motor 101, the wall body 1 is movably connected to the outside of the first screw shaft 102, a first movable block 103 is movably connected to one side of the outside of the first screw shaft 102, a fixed table 104 is fixedly connected to the bottom end of the first movable block 103, the first screw shaft 102 can be driven to rotate by starting the first motor 101, and the projection device below the first movable block 103 on the first screw shaft 102 is driven to move left and right by the fixed table 104;
the bottom end of the fixed table 104 is fixedly provided with a second motor 2, the bottom end of the second motor 2 is fixedly connected with a second screw shaft 201, the outer part of the second screw shaft 201 is movably connected with a movable table 3, the bottom end of the movable table 3 is fixedly connected with a connecting piece 4, the second screw shaft 201 can be driven to rotate by starting the second motor 2, and the movable table 3 on the second screw shaft 201 can move the lower projection device to perform height lifting;
a first spring 401 is fixedly connected to one side inside the connecting piece 4, a second movable block 402 is fixedly connected to one side of the first spring 401, a connecting piece 4 is slidably connected to the outside of the second movable block 402, a connecting rod 403 is fixedly connected to one side of the second movable block 402, a clamping groove 404 is fixedly arranged at the middle position of the bottom end of the connecting piece 4, fixing arms 5 are arranged at two sides outside the connecting piece 4, a connecting rod 403 is fixedly connected to the top end of one side of the fixing arm 5, a first clamping block 501 is fixedly connected to the bottom end of one side of the fixing arm 5, a projection device 6 is arranged at the bottom end of the connecting piece 4, a second clamping block 601 is fixedly connected to the top end of the projection device 6, a clamping groove 404 is movably connected to the outside of the second clamping block 601, the connection between the connecting piece 4 and the projection device 6 can be completed by inserting the first clamping block 501 at the bottom end of one side of the fixed arm 5 movably connected with the two sides of the connecting piece 4 into the clamping groove on the projection device 6;
a pull rod 7 is movably connected to one side of the exterior of the projection device 6, an insertion rod 701 is fixedly connected to one side of the pull rod 7, a second spring 702 is fixedly connected to one side of the pull rod 7, a limiting groove 8 is fixedly arranged on one side of the exterior of the projection device 6, a protective cover 9 is movably connected to one side of the projection device 6, a limiting block 901 is fixedly connected to one side of the protective cover 9, a limiting groove 8 is movably connected to one side of the limiting block 901, a connecting hole 902 is fixedly connected to one side of the limiting block 901, the insertion rod 701 is movably connected to the exterior of the connecting hole 902, and is inserted into the limiting groove 8 on the projection device 6 through the limiting block 901 on one side of the protective cover 9, meanwhile, the insertion rod 701 movably connected at one side of the projection device 6 is inserted into the connection hole 902 on the limiting block 901, the connection between the projection device 6 and the protection cover 9 can be completed, so that the protection cover 9 can play a role in protecting the projection of the projection device 6 from dust.
When the embodiment of the application is used: the first motor 101 is installed on one side inside the wall body 1, the first screw shaft 102 can be driven to rotate by starting the first motor 101, meanwhile, the first movable block 103 on the first screw shaft 102 can freely move on the first screw shaft 102 and drive the projection device below to move left and right, the bottom end of the first movable block 103 is connected with the second motor 2 through the fixed table 104, the second screw shaft 201 can be driven to rotate by starting the second motor 2, the movable table 3 drives the projection device to lift on the second screw shaft 201, and projection can be driven to be adjusted to a proper position by matching the first movable block 103 with the movable table 3, and projection operation can be performed by starting the projection device 6.

Claims (7)

1. The object projection device for multimedia teaching is characterized by comprising a wall body (1), a movable table (3), a projection device (6) and a protective cover (9), wherein a first motor (101) is fixedly installed on one side inside the wall body (1), a first screw shaft (102) is fixedly connected to one side of the first motor (101), the wall body (1) is movably connected to the outside of the first screw shaft (102), a first movable block (103) is movably connected to one side of the outside of the first screw shaft (102), a fixed table (104) is fixedly connected to the bottom end of the first movable block (103), a second motor (2) is fixedly installed at the bottom end of the fixed table (104), a second screw shaft (201) is fixedly connected to the bottom end of the second motor (2), and the movable table (3) is movably connected to the outside of the second screw shaft (201), the bottom end of the movable table (3) is fixedly connected with a connecting piece (4).
2. An object projection apparatus for multimedia teaching according to claim 1, wherein: the connecting piece is characterized in that a first spring (401) is fixedly connected to one side of the inside of the connecting piece (4), a second movable block (402) is fixedly connected to one side of the first spring (401), the connecting piece (4) is connected to the outside of the second movable block (402) in a sliding mode, a connecting rod (403) is fixedly connected to one side of the second movable block (402), and a clamping groove (404) is fixedly arranged in the middle of the bottom end of the connecting piece (4).
3. An object projection apparatus for multimedia teaching according to claim 1, wherein: the connecting piece is characterized in that fixed arms (5) are arranged on two sides of the outer portion of the connecting piece (4), a connecting rod (403) is fixedly connected to the top end of one side of each fixed arm (5), and a first clamping block (501) is fixedly connected to the bottom end of one side of each fixed arm (5).
4. An object projection apparatus for multimedia teaching according to claim 1, wherein: the bottom of connecting piece (4) is provided with projection arrangement (6), the top fixedly connected with second fixture block (601) of projection arrangement (6), the outside swing joint of second fixture block (601) has draw-in groove (404).
5. An object projection apparatus for multimedia teaching according to claim 4, wherein: one side of the exterior of the projection device (6) is movably connected with a pull rod (7), one side of the pull rod (7) is fixedly connected with an insert rod (701), and one side of the pull rod (7) is fixedly connected with a second spring (702).
6. An object projection apparatus for multimedia teaching according to claim 4, wherein: the projection device is characterized in that a limiting groove (8) is fixedly arranged on one side of the outer portion of the projection device (6), a protective cover (9) is movably connected to one side of the projection device (6), a limiting block (901) is fixedly connected to one side of the protective cover (9), and the limiting groove (8) is movably connected to one side of the limiting block (901).
7. An object projection apparatus for multimedia teaching according to claim 6, wherein: one side of the limiting block (901) is fixedly connected with a connecting hole (902), and the outside of the connecting hole (902) is movably connected with an inserting rod (701).
CN202111278099.8A 2021-10-30 2021-10-30 Object projection arrangement for multimedia teaching Pending CN113920791A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111278099.8A CN113920791A (en) 2021-10-30 2021-10-30 Object projection arrangement for multimedia teaching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111278099.8A CN113920791A (en) 2021-10-30 2021-10-30 Object projection arrangement for multimedia teaching

Publications (1)

Publication Number Publication Date
CN113920791A true CN113920791A (en) 2022-01-11

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ID=79243731

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111278099.8A Pending CN113920791A (en) 2021-10-30 2021-10-30 Object projection arrangement for multimedia teaching

Country Status (1)

Country Link
CN (1) CN113920791A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4018432A1 (en) * 1990-06-08 1991-12-12 Os Co Lifting device for projector - comprises frame body with several screw shaft sections at corners
CN107968926A (en) * 2017-11-17 2018-04-27 常州信息职业技术学院 A kind of laser television of Anti-scratching
CN208783060U (en) * 2018-08-16 2019-04-23 深圳市俊睿科技有限公司 Multifunctional audio device for conference
CN212410940U (en) * 2020-05-29 2021-01-26 福州蓝达光电有限公司 Cylindrical mirror projection lens
CN213123386U (en) * 2020-11-10 2021-05-04 广东松山职业技术学院 Projecting apparatus convenient to heighten for teaching
CN214252861U (en) * 2021-04-01 2021-09-21 济宁职业技术学院 Multimedia projection interaction device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4018432A1 (en) * 1990-06-08 1991-12-12 Os Co Lifting device for projector - comprises frame body with several screw shaft sections at corners
CN107968926A (en) * 2017-11-17 2018-04-27 常州信息职业技术学院 A kind of laser television of Anti-scratching
CN208783060U (en) * 2018-08-16 2019-04-23 深圳市俊睿科技有限公司 Multifunctional audio device for conference
CN212410940U (en) * 2020-05-29 2021-01-26 福州蓝达光电有限公司 Cylindrical mirror projection lens
CN213123386U (en) * 2020-11-10 2021-05-04 广东松山职业技术学院 Projecting apparatus convenient to heighten for teaching
CN214252861U (en) * 2021-04-01 2021-09-21 济宁职业技术学院 Multimedia projection interaction device

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Application publication date: 20220111

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