CN116221562A - Visual transmission projection device - Google Patents

Visual transmission projection device Download PDF

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Publication number
CN116221562A
CN116221562A CN202310212052.4A CN202310212052A CN116221562A CN 116221562 A CN116221562 A CN 116221562A CN 202310212052 A CN202310212052 A CN 202310212052A CN 116221562 A CN116221562 A CN 116221562A
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CN
China
Prior art keywords
side plate
rods
mounting
mounting seat
projection device
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.)
Withdrawn
Application number
CN202310212052.4A
Other languages
Chinese (zh)
Inventor
刘锐
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.)
Harbin University of Commerce
Original Assignee
Harbin University of Commerce
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 Harbin University of Commerce filed Critical Harbin University of Commerce
Priority to CN202310212052.4A priority Critical patent/CN116221562A/en
Publication of CN116221562A publication Critical patent/CN116221562A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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
    • F16M11/02—Heads
    • F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Projection Apparatus (AREA)

Abstract

The invention discloses a visual transmission projection device which comprises a mounting seat and a supporting seat, wherein a projection body is arranged above the mounting seat, a first side plate and a second side plate are respectively arranged at two ends of the top of the mounting seat in a sliding mode, the first side plate and the second side plate are vertically arranged, an adjusting mechanism for adjusting the projection body is arranged on the first side plate and the second side plate, the inside of the mounting seat is hollow, a second moving mechanism for synchronously moving the first side plate and the second side plate is arranged in the mounting seat, a protection frame is arranged above the projection body, the protection frame is U-shaped, the supporting seat is horizontally arranged below the mounting seat, and a connecting mechanism for connecting the mounting seat is arranged at the top of the supporting seat. According to the invention, through the arrangement of the protective frame, the projection body can be self-protected when the support is not used, the service life of the projection body is prolonged, the protective frame can be opened while the projection body is supported, and two groups of operations are synchronously performed, so that the use effect of the equipment is improved.

Description

Visual transmission projection device
Technical Field
The present disclosure relates to projection technology, and more particularly, to a visual transmission projection device.
Background
Visual communication design is a design which is expressed and communicated to audience through visual medium, and represents the time feature graphic design and rich connotation of the design. The advent of digital multimedia continues to enrich the way of visual communication, expanding the extension of contemporary visual communication designs, spanning from single media to multimedia, extending from two-dimensional planes to three-dimensional stereo and space, and more translating from traditional printed design products to the communication of virtual information images. Most of the visual communication is now done through curtain projection.
The conventional visual transmission projection device is usually directly placed on a desk, and does not have the function of supporting and protecting the projection body, so that the projection body can be damaged due to the collision of foreign objects when the projection device is not used, the service life of the projection body is reduced, and therefore, the need for redesigning the visual transmission projection device is urgent, so that the problems are solved.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a visual transmission projection device.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a visual communication projection device comprising:
the projection device comprises a mounting seat, wherein a projection body is arranged above the mounting seat, a first side plate and a second side plate are respectively arranged at two ends of the top of the mounting seat in a sliding mode, the first side plate and the second side plate are vertically arranged, an adjusting mechanism for adjusting the projection body is arranged on the first side plate and the second side plate, the inside of the mounting seat is hollow, a second moving mechanism for synchronously moving the first side plate and the second side plate is arranged in the mounting seat, a protection frame is arranged above the projection body, and the protection frame is U-shaped;
the supporting seat is horizontally arranged below the mounting seat, a connecting mechanism for connecting the mounting seat is arranged at the top of the supporting seat, and a first moving mechanism for moving the protective frame is arranged on the supporting seat.
As a further technical solution of the present invention, the connection mechanism includes: the four hinge rods are respectively rotatably mounted at four corners of the top of the supporting seat, the two ends of the bottom of the mounting seat are respectively provided with a strip-shaped plate in a sliding manner, and the other four ends of the four hinge rods are respectively rotatably mounted at the four ends of the bottom of the two strip-shaped plates.
As a further technical scheme of the invention, the screw rod is horizontally rotatably arranged at the center of the bottom of the mounting seat, the surface of the screw rod is connected to the inside of the two strip-shaped plates through threads, the screw rod is connected with the two strip-shaped plates in opposite directions, the bottom of the mounting seat is horizontally provided with the first motor, and the output shaft of the first motor is arranged at the center of one end of the screw rod.
As a further aspect of the present invention, the first moving mechanism includes: the fixing rods are two, the fixing rods are fixedly installed at two ends of one side of the installation seat respectively, the two fixing rods are obliquely arranged, and the other two ends of the fixing rods are rotatably installed at two ends of the bottom of one vertical side of the protective frame respectively.
As a further technical scheme of the invention, two movable rods are respectively rotatably arranged at two ends of one vertical side of the protective frame, telescopic loop bars are horizontally and fixedly arranged at the tail ends of the side surfaces of the two movable rods, and the other two ends of the two telescopic loop bars are respectively fixedly arranged at two ends of one side of the supporting seat.
As a further aspect of the present invention, the second moving mechanism includes: slide and movable block, the slide has two, and two slides slide respectively slide and set up in the inside both ends of mount pad, the bar notch has been seted up to mount pad top level, and first curb plate and the equal fixed mounting in second curb plate bottom have the lug, and two lug ends all pass bar notch and respectively fixed mounting in two slide tops.
As a further technical scheme of the invention, the movable block is slidably arranged in the mounting seat and is positioned between the two sliding plates, a symmetrical side surface of the movable block is rotatably provided with connecting rods, the other two ends of each connecting rod are rotatably arranged on opposite side surfaces of the two sliding plates respectively, a screw rod is rotatably arranged in the mounting seat, the surface of the screw rod is connected in the movable block through threads, one side of the mounting seat is horizontally provided with a second motor, and an output shaft of the second motor is arranged at the center of one end of the screw rod.
As a further aspect of the present invention, the adjusting mechanism includes: the projection system comprises mounting columns and gears, wherein the two mounting columns are arranged, two ends, away from each mounting column, of each mounting column are respectively and rotatably arranged on opposite sides of a first side plate and a second side plate, and mounting grooves matched with the mounting columns are formed in symmetrical sides of the projection body.
As a further technical scheme of the invention, the two gears are rotatably arranged on one side of the first side plate and are meshed with each other, one of the gears and one of the mounting columns are fixedly connected with the same connecting shaft, the side surfaces of the two gears are respectively and fixedly provided with a first ratchet wheel and a second ratchet wheel, a first pawl and a second pawl are respectively arranged above the first ratchet wheel and the second ratchet wheel, torsion shafts are respectively arranged at the top ends of the side surfaces of the first pawl and the second pawl, the two torsion shafts are respectively arranged on one side of the first side plate, and a knob is fixedly arranged on one side of the second ratchet wheel.
The beneficial effects of the invention are as follows:
1. according to the invention, through the arrangement of the protective frame, the projection body can be self-protected when the projection body is not supported, the service life of the projection body is prolonged, when the projection body is required to be supported for use, the first motor drives the screw rod to rotate, the screw rod rotates to drive the two strip-shaped plates to move, the two strip-shaped plates move to drive the four hinging rods to move, the four hinging rods move to drive the supporting seat to move, the supporting seat moves to drive the telescopic sleeve rod to move, the telescopic sleeve rod moves to drive the movable rod to move, the movable rod moves to drive the angle of the protective frame to change, so that the protective frame can be opened while the projection body is supported, and two groups of operations are synchronously performed, thereby improving the use effect of the equipment.
2. According to the invention, the projection body can be limited and regulated through the arrangement of the first side plate and the second side plate, and is stable after regulation, when the projection body is required to be installed, only the projection body is positioned between the first side plate and the second side plate, the screw rod is driven to rotate through the second motor, the screw rod rotates to drive the movable block to move, the movable block moves to drive the connecting rod to move, the connecting rod moves to drive the sliding plate to move, the sliding plate moves to drive the protruding block to move, the protruding block moves to drive the first side plate and the second side plate to move, the first side plate and the second side plate move to drive the two mounting columns to move, and the two mounting columns move to enter the two mounting grooves, so that the installation of the projection body is completed.
Drawings
FIG. 1 is a schematic diagram of a visual transmission projection device according to the present invention;
FIG. 2 is a schematic bottom view of a visual transmission projection device according to the present invention;
FIG. 3 is a schematic rear view of a visual transmission projection device according to the present invention;
FIG. 4 is a schematic cross-sectional view of a mounting base of a visual transmission projection device according to the present invention;
FIG. 5 is a schematic cross-sectional view of a visual transmission projection device according to the present invention;
FIG. 6 is a schematic diagram illustrating a connection structure between a cradle and a support of a visual transmission projection device according to the present invention;
fig. 7 is an enlarged schematic view of the portion a in fig. 1.
In the figure: 1. a mounting base; 2. a support base; 3. a protective frame; 4. a projection body; 5. a bar-shaped notch; 6. a first side plate; 7. a second side plate; 8. a mounting groove; 9. a mounting column; 10. a fixed rod; 11. a movable rod; 12. a telescopic loop bar; 13. a strip-shaped plate; 14. a screw rod; 15. a hinge rod; 16. a first motor; 17. a movable block; 18. a connecting rod; 19. a screw rod; 20. a second motor; 21. a gear; 22. a first ratchet; 23. a first pawl; 24. a second ratchet; 25. a second pawl; 26. a torsion shaft; 27. a knob; 28. and (3) a sliding plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1-7, a visual communication projection device comprising: mount pad 1 and supporting seat 2, mount pad 1 top is provided with projection body 4, and mount pad 1 top both ends slip respectively has first curb plate 6 and second curb plate 7, first curb plate 6 and second curb plate 7 all vertically set up, and be equipped with the adjustment mechanism who is used for adjusting projection body 4 on first curb plate 6 and the second curb plate 7, the inside cavity of mount pad 1 is and be equipped with the second mobile mechanism who is used for synchronous movement first curb plate 6 and second curb plate 7, projection body 4 top is provided with the protection frame 3, and the protection frame 3 is the U type, the supporting seat 2 level sets up in mount pad 1 below, and the supporting seat 2 top is equipped with the coupling mechanism who is used for connecting mount pad 1, be equipped with the first mobile mechanism who is used for removing protection frame 3 on the supporting seat 2, through the setting of this equipment, can be to projection body 4 when not using the support, help improving projection body 4's life.
Referring to fig. 1 and 2, in a preferred embodiment, the connection mechanism comprises: the four hinge rods 15 and the screw rod 14, the four hinge rods 15 are respectively rotatably installed at four corners at the top of the supporting seat 2, the two ends of the bottom of the installation seat 1 are respectively provided with the strip-shaped plates 13 in a sliding mode, the other four ends of the four hinge rods 15 are respectively rotatably installed at four ends at the bottom of the two strip-shaped plates 13, the screw rod 14 is horizontally rotatably installed at the center of the bottom of the installation seat 1, the surfaces of the screw rod 14 are connected inside the two strip-shaped plates 13 through threads, the screw rods 14 are connected with the threads of the two strip-shaped plates 13 in opposite directions, the bottom of the installation seat 1 is horizontally provided with the first motor 16, an output shaft of the first motor 16 is installed at the center of one end of the screw rod 14 and is used for connecting the installation seat 1 with the supporting seat 2 through the setting of a connecting mechanism, and the installation seat 1 is supported during use.
Referring to fig. 6 and 3, in a preferred embodiment, the first moving mechanism includes: the fixed rod 10 and movable rod 11, the fixed rod 10 has two, two fixed rods 10 are fixed mounting respectively in mount pad 1 one side both ends, and two fixed rods 10 slope sets up, two fixed rods 10 are rotated respectively at other both ends and are installed in one of them perpendicular limit bottom both ends of protection frame 3, movable rod 11 has two, and two movable rods 11 are rotated respectively and are installed in one of them perpendicular limit one side both ends of protection frame 3, the equal horizontal fixed mounting in two movable rod 11 side ends has flexible loop bar 12, and two flexible loop bar 12 are fixed mounting respectively in other both ends in support seat 2 one side both ends, through the setting of first moving mechanism, be used for can drive the protection frame 3 in step and remove when support seat 2 removes, the operation step is simplified, the efficiency of using has been improved.
Referring to fig. 4 and 3, in a preferred embodiment, the second moving mechanism includes: slide 28 and movable block 17, slide 28 have two, and two slide 28 slide respectively set up in the inside both ends of mount pad 1, bar notch 5 has been seted up to mount pad 1 top level, and first curb plate 6 and the equal fixed mounting of second curb plate 7 bottom have the lug, two lug ends all pass bar notch 5 and respectively fixed mounting in two slide 28 tops, movable block 17 slidable mounting is inside mount pad 1 and be located between two slide 28, and a symmetrical side of movable block 17 all rotates and installs connecting rod 18, two connecting rod 18 other both ends rotate respectively and install in two slide 28 opposite sides, and mount pad 1 inside rotates and installs lead screw 19, the lead screw 19 surface is through threaded connection in movable block 17 inside, mount pad 1 one side horizontal installation has second motor 20, and the output shaft of second motor 20 installs in lead screw 19 one end center department, through the setting of second moving mechanism, be used for quick to projection body 4 to install.
Referring to fig. 1 and 7, in a preferred embodiment, the adjustment mechanism comprises: the installation post 9 and the gear 21, the installation post 9 has two, and the both ends that two installation posts 9 kept away from rotate respectively install in the opposite side of first curb plate 6 and second curb plate 7, projection body 4 a symmetry side all offered with installation post 9 looks adaptation mounting groove 8, gear 21 has two and all rotate to install in first curb plate 6 one side, and two gears 21 intermeshing, one of them 21 and one of them installation post 9 fixedly connected with same connecting axle, and two gear 21 side respectively fixed mounting have first ratchet 22 and second ratchet 24, first ratchet 22 and second ratchet 24 top are provided with first pawl 23 and second pawl 25 respectively, and torsion axle 26 is all installed on first curb plate 6 side on first pawl 23 and second pawl 25 side top, two torsion axles 26 are all installed in first curb plate 6 one side, and second ratchet 24 side fixed mounting has knob 27, mounting groove 8 and installation post 9 are equivalent to spline connection, through adjustment mechanism's setting, be used for adjusting projection body 4's angle.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects: through the arrangement of the protection frame 3, the projection body 4 can be protected by oneself when the support is not used, the service life of the projection body 4 is prolonged, when the projection body 4 is required to be supported for use, the screw rod 14 is driven by the first motor 16 to rotate, the screw rod 14 rotates to drive the two strip-shaped plates 13 to move, the two strip-shaped plates 13 move to drive the four hinging rods 15 to move, the four hinging rods 15 move to drive the supporting seat 2 to move, the supporting seat 2 moves to drive the telescopic sleeve rod 12 to move, the telescopic sleeve rod 12 moves to drive the movable rod 11 to move, the movable rod 11 moves to drive the angle of the protection frame 3 to change, the protection frame 3 can be opened while the projection body 4 is supported, two groups of operations are synchronously performed, the projection body 4 can be limited and regulated through the arrangement of the first side plate 6 and the second side plate 7, and the projection body 4 is stable after regulation, when the projection body 4 is required to be installed, only the projection body 4 is positioned between the first side plate 6 and the second side plate 7, the screw rod 19 is driven to rotate by the second motor 20, the screw rod 19 rotates to drive the movable block 17 to move, the movable block 17 moves to drive the connecting rod 18 to move, the connecting rod 18 moves to drive the sliding plate 28 to move, the sliding plate 28 moves to drive the protruding block to move, the protruding block moves to drive the first side plate 6 and the second side plate 7 to move, the first side plate 6 and the second side plate 7 move to drive the two mounting posts 9 to move, the two mounting posts 9 move to enter the two mounting grooves 8, so that the installation of the projection body 4 is completed, when the projection body 4 is required to be adjusted, the first pawl 23 or the second pawl 25 can be pulled according to different adjustment angles, then the first ratchet wheel 22 and the gear 21 are driven to rotate by the knob 27, the gear 21 rotates and can drive the erection column 9 and the projection body 4 to rotate, can adjust the back, loosens the first pawl 23 or the second pawl 25 of pulling, then can fix the angle of the projection body 4 after adjusting, and then has improved the practicality of this equipment.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A visual communication projection device, comprising:
the projection device comprises a mounting seat (1), wherein a projection body (4) is arranged above the mounting seat (1), a first side plate (6) and a second side plate (7) are respectively arranged at two ends of the top of the mounting seat (1) in a sliding mode, the first side plate (6) and the second side plate (7) are vertically arranged, an adjusting mechanism for adjusting the projection body (4) is arranged on the first side plate (6) and the second side plate (7), the inside of the mounting seat (1) is hollow, a second moving mechanism for synchronously moving the first side plate (6) and the second side plate (7) is arranged inside the mounting seat (1), a protection frame (3) is arranged above the projection body (4), and the protection frame (3) is of a U shape;
the support seat (2), support seat (2) level sets up in mount pad (1) below, and support seat (2) top is equipped with the coupling mechanism who is used for connecting mount pad (1), be equipped with the first moving mechanism who is used for removing cradle (3) on support seat (2).
2. The visual communication projection device of claim 1, wherein the connection mechanism comprises: the four-bar type hinge comprises four hinge rods (15) and screw rods (14), wherein the four hinge rods (15) are respectively rotatably mounted at four corners of the top of the supporting seat (2), the two ends of the bottom of the mounting seat (1) are respectively slidably mounted with a strip-shaped plate (13), and the other four ends of the four hinge rods (15) are respectively rotatably mounted at four ends of the bottom of the two strip-shaped plates (13).
3. A visual transmission projection device according to claim 2, wherein the screw rod (14) is horizontally rotatably mounted at the bottom center of the mounting seat (1), the surface of the screw rod (14) is connected to the inside of the two strip-shaped plates (13) through threads, the screw rod (14) is connected with the two strip-shaped plates (13) in opposite directions, the bottom of the mounting seat (1) is horizontally provided with the first motor (16), and the output shaft of the first motor (16) is mounted at the center of one end of the screw rod (14).
4. A visual communication projection device as claimed in claim 3, wherein said first movement mechanism comprises: the fixing device comprises fixing rods (10) and movable rods (11), wherein the fixing rods (10) are two, the two fixing rods (10) are fixedly installed at two ends of one side of the installation seat (1) respectively, the two fixing rods (10) are obliquely arranged, and the other two ends of the fixing rods (10) are rotatably installed at two ends of one vertical side bottom of the protection frame (3) respectively.
5. The visual transmission projection device according to claim 4, wherein two movable rods (11) are provided, the two movable rods (11) are respectively rotatably mounted at two ends of one vertical side of the protective frame (3), telescopic sleeve rods (12) are horizontally and fixedly mounted at two ends of the side surfaces of the two movable rods (11), and the other two ends of the two telescopic sleeve rods (12) are respectively fixedly mounted at two ends of one side of the supporting seat (2).
6. The visual communication projection device of claim 5, wherein the second movement mechanism comprises: slide (28) and movable block (17), slide (28) have two, and two slide (28) slip respectively set up in mount pad (1) inside both ends, bar notch (5) have been seted up to mount pad (1) top level, and first curb plate (6) and second curb plate (7) bottom all fixed mounting have the lug, and two lug ends all pass bar notch (5) and respectively fixed mounting in two slide (28) tops.
7. The visual transmission projection device according to claim 6, wherein the movable block (17) is slidably mounted in the mounting seat (1) and is located between the two sliding plates (28), a symmetrical side surface of the movable block (17) is rotatably provided with the connecting rods (18), the other two ends of the two connecting rods (18) are rotatably mounted on opposite side surfaces of the two sliding plates (28) respectively, the mounting seat (1) is rotatably provided with the screw rod (19), the surface of the screw rod (19) is connected in the movable block (17) through threads, one side of the mounting seat (1) is horizontally provided with the second motor (20), and an output shaft of the second motor (20) is mounted at the center of one end of the screw rod (19).
8. The visual communication projection device of claim 7 wherein the adjustment mechanism comprises: the projection device comprises mounting columns (9) and gears (21), wherein the number of the mounting columns (9) is two, two ends, away from the two mounting columns (9), of each mounting column are respectively and rotatably mounted on opposite sides of a first side plate (6) and a second side plate (7), and mounting grooves (8) matched with the mounting columns (9) are formed in one symmetrical side face of the projection body (4).
9. The visual transmission projection device according to claim 8, wherein the gears (21) are rotatably mounted on one side of the first side plate (6), the gears (21) are meshed with each other, one of the gears (21) and one of the mounting posts (9) are fixedly connected with the same connecting shaft, a first ratchet wheel (22) and a second ratchet wheel (24) are fixedly mounted on the sides of the two gears (21), a first pawl (23) and a second pawl (25) are respectively arranged above the first ratchet wheel (22) and the second ratchet wheel (24), a torsion shaft (26) is mounted on the top of the sides of the first pawl (23) and the second pawl (25), and the torsion shafts (26) are mounted on one side of the first side plate (6), and a knob (27) is fixedly mounted on one side of the second ratchet wheel (24).
CN202310212052.4A 2023-03-07 2023-03-07 Visual transmission projection device Withdrawn CN116221562A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310212052.4A CN116221562A (en) 2023-03-07 2023-03-07 Visual transmission projection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310212052.4A CN116221562A (en) 2023-03-07 2023-03-07 Visual transmission projection device

Publications (1)

Publication Number Publication Date
CN116221562A true CN116221562A (en) 2023-06-06

Family

ID=86580322

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310212052.4A Withdrawn CN116221562A (en) 2023-03-07 2023-03-07 Visual transmission projection device

Country Status (1)

Country Link
CN (1) CN116221562A (en)

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Application publication date: 20230606