A literary works projection device

Abstract

The present invention relates to the technical field of projection equipment, and in particular to a literary work projection equipment, comprising a projector body, a protective shell fixedly connected to the top of the projector body, an adjusting component for adjusting the projector body is provided at the bottom of a movable plate, a disassembly component is provided on the movable plate, a positioning component is provided on the top of the protective shell, a moving component is provided on a linkage plate, a trigger component is provided on a transmission shaft, and a cleaning component for cleaning dust on the projector body is provided at the bottom of two linkage bars. The present invention can, through the coordinated use of the adjusting component and the disassembly component, keep the device in a horizontal state when the angle is adjusted in the middle of the device under harsh use environments through the cooperation of a threaded block and a movable bar, thereby preventing the device from tilting and shaking when adjusting the angle, causing the shape of the picture to be distorted or distorted, affecting the visual experience, making the device more flat when in use, and reducing cumbersomeness.

Description

Technical Field

[0001] The present invention relates to the technical field of projection equipment, and in particular to a literature work projection equipment. Background Art

[0002] Literary work projection equipment is a device specially used to display literary works, which makes text content clearly visible and improves the reading experience through high-definition display technology, such as LED or LCD screen. Movable literary work projection equipment is invented to facilitate the equipment in harsh environments. When the projection height in the projection environment is not enough to support a complete projection, the projection equipment needs to be raised. The current elevating projection equipment can adjust the projection angle while it is raised, but adjusting the angle during the raising will cause the device to tilt and shake when adjusting the angle due to the weight of the device itself and the angle change. In this case, the most direct consequence is the distortion or distortion of the shape of the picture when projecting old newspapers and classical documents, affecting the visual experience. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides a literary work projection device.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: comprising a projector body, a protective shell is fixedly connected to the top of the projector body, a positioning shell is fixedly connected to the bottom of the projector body, a movable plate is provided at the bottom of the positioning shell, and an adjustment component for adjusting the projector body is provided at the bottom of the movable plate; the adjustment component comprises: two positioning plates, four first movable columns, two movable bars, a bearing shell, a threaded column, a threaded block, two second movable columns, two movable wheels, two limiting plates, four rotating columns and two rotating bars; wherein, two positioning plates are fixed correspondingly to the bottom of the movable plate, two first movable columns are movably connected to each positioning plate, two first movable columns are fixed correspondingly to the outer side of each movable bar, a bearing is provided on the bearing shell, the threaded column is fixedly connected to the inner ring of the bearing on the bearing shell, the threaded block is threadedly connected to the threaded column, and the two ends of the threaded block are correspondingly Two second movable columns are fixed, each of which is movably connected to a movable wheel, two limiting plates are correspondingly fixed on the outer side of the bearing shell, each limiting plate is movably connected to two rotating columns, one end of the movable bar away from the positioning plate is fixed corresponding to the rotating column, one end of the two movable wheels is correspondingly movably connected to the two second movable columns, and the other end of the movable wheel is movably connected to the outer side of a movable bar, and a disassembly component for disassembling the projector body is provided on the movable plate; the disassembly component includes: two positioning columns, two positioning rings and two limiting strips; wherein, two plug-in slots for plugging in the positioning columns are provided on the movable plate, the two positioning columns are correspondingly movably connected to the positioning shell, the two positioning columns are plugged into the plug-in slots of the movable plate, each positioning column is fixedly connected to a positioning ring, each positioning ring is fixedly connected to a limiting strip, and the shape of the plug-in slot of the movable plate corresponds to the positioning ring and the limiting strip.

[0005] Preferably, through the coordinated use of the adjustment component and the disassembly component, when the projector body needs to be used, the carrying shell is placed in the specified position, the positioning shell is placed in the position corresponding to the movable plate, the two positioning columns are rotated, and then the two positioning columns drive the limit bar on the positioning ring to rotate away from the position corresponding to the movable plate plug-in slot, the positioning ring and the limit bar cooperate to fix the projector body on the movable plate, the threaded column is rotated, and then the threaded column drives the threaded block on the threaded column to move on the threaded column when rotating, and the threaded block drives the movable wheel to move through the second movable column when moving, and then the movable wheel pushes the movable bar to rise when moving, and the movable bar is limited by the first movable column on the two positioning plates when rising, and then the two movable bars drive the projector body through the movable plate to adjust the angle while gradually rising.

[0006] As a preferred technical solution of the present invention, a positioning assembly for fixing the starting assembly is provided on the top of the protective shell; the positioning assembly comprises: two pressure plates, a movable cylinder, a housing, a servo motor, two positioning disks, a bearing plate, a starting disk, a linkage plate, a connecting strip, a first bearing block, a transmission shaft, a shock absorbing ring, a starting column, a starting strip, a track column and a triangular shaped block; wherein the two pressure plates are fixedly connected to the top of the protective shell, the movable cylinder is fixedly connected to the top of the two pressure plates, the interior of the movable cylinder is fixedly connected to the two positioning disks, and the bearing plate is arranged inside the movable cylinder. A bearing is provided on the positioning plate, a transmission shaft is fixedly connected to an inner ring of a bearing on the positioning plate, a bearing plate is movably connected to the transmission shaft, a casing is fixedly connected to a positioning plate, a servo motor is arranged inside the casing, an output shaft of the servo motor is fixedly connected to the transmission shaft, a starting plate is fixedly connected to the transmission shaft, a connecting strip is fixedly connected to the top of the movable cylinder, a linkage plate is fixedly connected to the bottom of the connecting strip, a first bearing block is fixedly connected to one end of the bottom of the linkage plate, a bearing is provided on the first bearing block, a starting column is fixedly connected to an inner ring of a bearing on the first bearing block, a starting strip is fixedly connected to the starting column, a shock absorbing ring is fixedly connected to the transmission shaft, and a start strip is fixedly connected to the start column. A track column is connected, a placement groove for placing a triangular special-shaped block is provided on the starting disk, the triangular special-shaped block is fixedly connected to the placement groove of the starting disk, and the end of the track column away from the starting strip is plugged into the placement groove of the starting disk, and a moving component for movement is provided on the linkage plate; the moving component includes: a second bearing block, a trigger column, a telescopic plate, two linkage strips, a groove bar, a translation block and a translation column; wherein the second bearing block is fixedly connected to the end of the bottom of the linkage plate away from the first bearing block, the second bearing block is provided with a bearing, the trigger column is fixedly connected to the inner ring of the bearing on the second bearing block, and the translation column is fixedly connected to the starting plate. On the moving bar, one end of the telescopic plate is provided with a lifting groove for connecting with a translation column, the translation column is inserted in the lifting groove of the telescopic plate, the other end of the telescopic plate is provided with two telescopic grooves for connecting with a linkage bar, the two linkage bars are correspondingly inserted in the two telescopic grooves of the telescopic plate, the end of the linkage bar away from the telescopic plate is fixedly connected with a groove bar, the groove bar is provided with a U-shaped groove for connecting with a translation block, the translation block is inserted in the U-shaped groove of the groove bar, and a trigger component for starting the moving component is provided on the transmission shaft; the trigger component includes: a rotating bar, a linkage column, a track block, a matching plate, a blocking bar and a four-corner special-shaped block;One end of the rotating bar is fixedly connected to the trigger column, one end of the rotating bar away from the trigger column is fixedly connected to the linkage column, one end of the linkage column is movably connected to the translation block, one end of the linkage column away from the translation block is fixedly connected to the track block, a corresponding hole corresponding to the four-corner special-shaped blocks is provided on the matching plate, the four-corner special-shaped blocks are arranged in the corresponding holes of the matching plate, the blocking bar is fixedly connected to the four-corner special-shaped blocks, and the two ends of the blocking bar are fixedly connected to the matching plate, the four-corner special-shaped blocks are fixedly connected to the end of the transmission shaft away from the servo motor, and a cleaning component for cleaning dust on the projector body is provided at the bottom of the two linkage bars; the cleaning component includes: a loading plate, two positioning cylinders, two telescopic columns, two springs, two baffles and a scraper; wherein the loading plate is fixedly connected to the bottom of the two linkage bars, the two The positioning cylinders are fixedly connected to the loading plate, each positioning cylinder is provided with an active hole for connecting the telescopic column, and the two telescopic columns are correspondingly inserted into the active holes of the two positioning cylinders. Two springs are arranged in the two positioning cylinders, and each spring is sleeved on the corresponding telescopic column. The two ends of each spring are fixedly connected to the inner wall of the positioning cylinder and the baffle plate, and the ends of the two telescopic columns close to the projector body are fixedly connected to a scraper. The end of the projector body corresponding to the scraper is a transparent glass, and the scraper fits the projector body. When the telescopic plate moves to the maximum distance, the position of the telescopic plate corresponds to the projector body, and the maximum position of the telescopic plate corresponds to the farthest end of the projector body. The triangular special-shaped block is a special-shaped triangle, and the quadrangular special-shaped block is a special-shaped rhombus quadrilateral, and the triangular special-shaped block corresponds to the quadrangular special-shaped block. ;

[0007] Preferably, the servo motor is started through the coordinated use of the positioning component, the moving component, the trigger component and the cleaning component, and then the servo motor drives the transmission shaft to rotate when it rotates, and the transmission shaft drives the starting disk to rotate when it rotates, and the starting disk drives the fitting track column to drive the starting bar to rotate under the action of the triangular special-shaped block when it rotates, and the starting bar drives the telescopic plate to move through the translation column when it rotates, and when the telescopic plate moves to the farthest end of the projector body, the transmission shaft drives the four-corner special-shaped blocks on the matching disk to rotate to the position corresponding to the triangular special-shaped blocks, and then the four-corner special-shaped blocks drive the track block to rotate, and when the track block moves, it drives the translation block to move toward the lower end along the linkage bar on the groove bar, and then the linkage bar moves along the telescopic groove on the telescopic plate, and while the linkage bar moves, it drives the scraper on the loading plate through the loading plate to fit the glass surface of the projector body for scraping and cleaning, and when the scraper strip is worn, the compressed spring rebounds, and the spring drives the telescopic column to move when it rebounds, and the telescopic column drives the scraper strip to always fit the glass surface of the projector body when it moves.

[0008] Compared with the prior art, the present invention can achieve the following beneficial effects:

[0009] 1. Through the coordinated use of the adjustment components and the disassembly components, the device can be kept in a horizontal state when the angle is adjusted in the middle of the device under harsh operating environments through the cooperation of the threaded block and the movable bar, avoiding the device from tilting and shaking when adjusting the angle, resulting in distortion or distortion of the image shape when projecting old newspapers and classical documents, affecting the visual experience, and promoting the device to be more flat when in use and reducing cumbersomeness.

[0010] 2. Through the coordinated use of the positioning component, the trigger component and the cleaning component, the coordinated use of the matching disk and the scraper can be used to prevent dust from falling on the projector lens or filter, which will block the transmission of light and cause blurred or unclear images when projecting old newspapers and classical documents, thereby promoting a clearer projection effect.

[0011] 3. Through the coordinated use of the positioning component, the moving component and the trigger component, when not in use, the telescopic plate and the rotating bar can be used together to avoid the cleaning component blocking the projector lens, making the component placement more reasonable and not affecting the overall use.

[0012] 4. Through the coordinated use of the positioning component, the moving component, the triggering component and the cleaning component, when in use, through the coordinated use of the triangular special-shaped block and the four-corner special-shaped block, the scraper can accurately locate the projector lens and clean it. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the present invention;

[0014] Figure 2 It is a structural schematic diagram of the load-bearing shell of the present invention;

[0015] Figure 3 It is a structural schematic diagram of the thread block of the present invention;

[0016] Figure 4 It is a structural schematic diagram of the movable plate of the present invention;

[0017] Figure 5 It is a structural schematic diagram of the movable cylinder of the present invention;

[0018] Figure 6 It is a structural schematic diagram of the transmission shaft of the present invention;

[0019] Figure 7 It is a structural schematic diagram of the starting column of the present invention;

[0020] Figure 8 It is a structural schematic diagram of the boot disk of the present invention;

[0021] Fig. 9 It is a schematic diagram of the structure of the telescopic plate of the present invention;

[0022] Fig.10 It is a schematic structural diagram of the scraper strip of the present invention.

[0023] Among them: 1. Projector body; 2. Protective shell; 3. Positioning shell; 4. Movable plate; 5. Positioning plate; 6. First movable column; 7. Movable bar; 8. Carrying shell; 9. Threaded column; 10. Threaded block; 11. Second movable column; 12. Movable wheel; 13. Limiting plate; 14. Rotating column; 15. Rotating bar; 16. Positioning column; 17. Positioning ring; 18. Limiting bar; 19. Pressure plate; 20. Movable cylinder; 21. Casing; 22. Servo motor; 23. Positioning plate; 24. Carrying plate; 25. Start plate; 26. Linkage plate; 27. Connecting bar; 28. First bearing block; 29. ​​Transmission shaft; 30. Shock-absorbing ring; 31. Start column; 32. Start strip; 33. Track column; 34. Triangular special-shaped block; 35. Second bearing block; 36. Trigger column; 37. Telescopic plate; 38. Linkage strip; 39. Groove strip; 40. Translation block; 41. Rotation strip; 42. Linkage column; 43. Track block; 44. Loading plate; 45. Matching plate; 46. Blocking strip; 47. Four-corner special-shaped block; 48. Positioning cylinder; 49. Telescopic column; 50. Spring; 51. Baffle plate; 52. Scraper strip; 53. Translation column. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work all belong to the protection scope of the present invention. The experimental methods in the following embodiments, unless otherwise specified, are conventional methods, and the materials, reagents, etc. used in the following embodiments, unless otherwise specified, can all be obtained from commercial channels.

[0025] Embodiment: Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, a literary work projection device includes a projector body 1, a protective shell 2 is fixedly connected to the top of the projector body 1, a positioning shell 3 is fixedly connected to the bottom of the projector body 1, a movable plate 4 is provided at the bottom of the positioning shell 3, and an adjustment component for adjusting the projector body 1 is provided at the bottom of the movable plate 4; the adjustment component includes: two positioning plates 5, four first movable columns 6, two movable bars 7, a bearing shell 8, a threaded column 9, a threaded block 10, two second movable columns 11, two movable wheels 12, two limiting plates 13, four rotating columns 14 and two rotating bars 15; wherein, two positioning plates 5 are fixed to the bottom of the movable plate 4, two first movable columns 6 are movably connected to each positioning plate 5, two first movable columns 6 are fixed to the outer side of each movable bar 7, a bearing is provided on the bearing shell 8, the threaded column 9 is fixedly connected to the inner ring of the bearing on the bearing shell 8, the threaded block 10 is threadedly connected to the threaded column 9, and two second movable columns 11 are fixed to both ends of the threaded block 10 , each second movable column 11 is movably connected to a movable wheel 12, two limiting plates 13 are correspondingly fixed on the outer side of the bearing shell 8, each limiting plate 13 is movably connected to two rotating columns 14, one end of the movable bar 7 away from the positioning plate 5 is correspondingly fixed to the rotating column 14, one end of the two movable wheels 12 is correspondingly movably connected to the two second movable columns 11, and the other end of the movable wheel 12 is movably connected to the outer side of a movable bar 7, and a disassembly component for disassembling the projector body 1 is provided on the movable plate 4; the disassembly component includes: two positioning columns 16, two positioning rings 17 and two limiting strips 18; wherein, the movable plate 4 is provided with two plug-in slots for the positioning columns 16 to be plugged in, the two positioning columns 16 are correspondingly movably connected to the positioning shell 3, the two positioning columns 16 are plugged into the plug-in slots of the movable plate 4, each positioning column 16 is fixedly connected to a positioning ring 17, each positioning ring 17 is fixedly connected to a limiting strip 18, and the shape of the plug-in slot of the movable plate 4 corresponds to the positioning ring 17 and the limiting strip 18.

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 and Fig.10As shown, a literary work projection device, the top of the protective shell 2 is provided with a positioning assembly for fixing the starting assembly; the positioning assembly includes: two pressure plates 19, a movable cylinder 20, a housing 21, a servo motor 22, two positioning disks 23, a bearing plate 24, a starting disk 25, a linkage plate 26, a connecting bar 27, a first bearing block 28, a transmission shaft 29, a shock absorbing ring 30, a starting column 31, a starting bar 32, a track column 33 and a triangular shaped block 34; wherein the two pressure plates 19 are fixedly connected to the top of the protective shell 2, the movable cylinder 20 is fixedly connected to the top of the two pressure plates 19, the inside of the movable cylinder 20 is fixedly connected to the two positioning disks 23, the bearing plate 2 4 is arranged inside the movable cylinder 20, the positioning plate 23 is provided with a bearing, the transmission shaft 29 is fixedly connected to the inner ring of the bearing on the positioning plate 23, the bearing plate 24 is movably connected to the transmission shaft 29, the housing 21 is fixedly connected to a positioning plate 23, the servo motor 22 is arranged inside the housing 21, the output shaft of the servo motor 22 is fixedly connected to the transmission shaft 29, the starting plate 25 is fixedly connected to the transmission shaft 29, the connecting strip 27 is fixedly connected to the top of the movable cylinder 20, the linkage plate 26 is fixedly connected to the bottom of the connecting strip 27, one end of the bottom of the linkage plate 26 is fixedly connected to the first bearing block 28, the first bearing block 28 is provided with a bearing, the starting column 31 is fixedly connected to the inner ring of the bearing on the first bearing block 28, and the starting strip 32 is fixedly connected On the starting column 31, the shock absorbing ring 30 is fixedly connected to the transmission shaft 29, a track column 33 is fixedly connected to the starting bar 32, a placement groove for placing a triangular shaped block 34 is provided on the starting disk 25, and the triangular shaped block 34 is fixedly connected to the placement groove of the starting disk 25, and the end of the track column 33 away from the starting bar 32 is inserted into the placement groove of the starting disk 25, and a moving component for movement is provided on the linkage plate 26; the moving component includes: a second bearing block 35, a trigger column 36, a telescopic plate 37, two linkage bars 38, a groove bar 39, a translation block 40 and a translation column 53; wherein the second bearing block 35 is fixedly connected to the end of the bottom of the linkage plate 26 away from the first bearing block 28, and the second axis A bearing is provided on the bearing block 35, the trigger column 36 is fixedly connected to the inner ring of the bearing on the second bearing block 35, the translation column 53 is fixedly connected to the start bar 32, one end of the telescopic plate 37 is provided with a lifting groove for connecting the translation column 53, the translation column 53 is inserted in the lifting groove of the telescopic plate 37, the other end of the telescopic plate 37 is provided with two telescopic grooves for connecting the linkage bar 38, the two linkage bars 38 are correspondingly inserted in the two telescopic grooves of the telescopic plate 37, the end of the linkage bar 38 away from the telescopic plate 37 is fixedly connected to a groove bar 39, the groove bar 39 is provided with a U-shaped groove for connecting the translation block 40, the translation block 40 is inserted in the U-shaped groove of the groove bar 39, and a trigger component for starting the moving component is provided on the transmission shaft 29;The trigger assembly includes: a rotating bar 41, a linkage column 42, a track block 43, a matching plate 45, a blocking bar 46 and a four-corner special-shaped block 47; wherein one end of the rotating bar 41 is fixedly connected to the trigger column 36, the end of the rotating bar 41 away from the trigger column 36 is fixedly connected to the linkage column 42, one end of the linkage column 42 is movably connected to the translation block 40, the end of the linkage column 42 away from the translation block 40 is fixedly connected to the track block 43, and the matching plate 45 is provided with a corresponding one for the four-corner special-shaped block 47 The four-corner shaped blocks 47 are arranged in the corresponding holes of the matching plate 45, the blocking strip 46 is fixedly connected to the four-corner shaped blocks 47, and the two ends of the blocking strip 46 are fixedly connected to the matching plate 45, the four-corner shaped blocks 47 are fixedly connected to the end of the transmission shaft 29 away from the servo motor 22, and a cleaning assembly for cleaning dust on the projector body 1 is provided at the bottom of the two linkage strips 38; the cleaning assembly includes: a loading plate 44, two positioning cylinders 48, two telescopic columns 49, two springs 50, and two baffles 51 and a scraper strip 52; wherein the loading plate 44 is fixedly connected to the bottom of the two linkage strips 38, the two positioning cylinders 48 are correspondingly fixedly connected to the loading plate 44, each positioning cylinder 48 is provided with a movable hole for connecting with a telescopic column 49, the two telescopic columns 49 are correspondingly inserted into the movable holes of the two positioning cylinders 48, two springs 50 are arranged in the two positioning cylinders 48, each spring 50 is sleeved on the corresponding telescopic column 49, the two ends of each spring 50 are fixedly connected to the inner wall of the positioning cylinder 48 and the baffle 51, and the two telescopic columns 49 are respectively inserted into the movable holes of the two positioning cylinders 48, and the two springs 50 are arranged in the two positioning cylinders 48. The end of the retracted column 49 close to the projector body 1 is fixedly connected to a scraper 52. The end of the projector body 1 corresponding to the scraper 52 is transparent glass, and the scraper 52 is in contact with the projector body 1. When the telescopic plate 37 moves to the maximum distance, the position of the telescopic plate 37 corresponds to the projector body 1, and the maximum position of the telescopic plate 37 corresponds to the farthest end of the projector body 1. The triangular shaped block 34 is a special triangle, and the quadrangular shaped block 47 is a special rhombus quadrilateral, and the triangular shaped block 34 corresponds to the quadrangular shaped block 47. ;

[0027] Working principle:

[0028] When the projector body 1 needs to be used, the carrying shell 8 is placed in the designated position, the positioning shell 3 is placed in the position corresponding to the movable plate 4, the two positioning columns 16 are rotated, and the two positioning columns 16 drive the limiting strip 18 on the positioning ring 17 to rotate away from the position corresponding to the plug-in slot of the movable plate 4, the positioning ring 17 cooperates with the limiting strip 18 to fix the projector body 1 on the movable plate 4, the threaded column 9 is rotated, and the threaded column 9 drives the threaded block 10 on the threaded column 9 to move on the threaded column 9 when rotating, and the threaded block 10 drives the movable wheel 12 to move through the second movable column 11 when moving, and then the movable wheel 12 pushes the movable bar 7 to rise when moving, and the movable bar 7 is limited by the first movable columns 6 on the two positioning plates 5 when rising, and then the two movable bars 7 drive the projector body 1 to adjust the angle while gradually rising through the movable plate 4 when rising, and start the servo motor 22, and then the servo motor 22 drives the transmission shaft 29 to rotate when rotating, and the transmission shaft 29 drives the starting disk 2 when rotating. 5 rotates, and when the start plate 25 rotates, the triangular shaped block 34 drives the track column 33 to drive the start bar 32 to rotate. When the start bar 32 rotates, the translation column 53 drives the telescopic plate 37 to move. When the telescopic plate 37 moves to the farthest end of the projector body 1, the transmission shaft 29 drives the four-corner shaped block 47 on the matching plate 45 to rotate to the position corresponding to the triangular shaped block 34, and then the four-corner shaped block 47 drives the track block 43 to rotate, and the track block 43 drives the translation column 53 when moving. The shift block 40 moves toward the lower end along the linkage bar 38 on the groove bar 39, and then the linkage bar 38 moves along the telescopic groove on the telescopic plate 37. While moving, the linkage bar 38 drives the scraper bar 52 on the loading plate 44 through the loading plate 44 to fit the glass surface of the projector body 1 for scraping and cleaning. When the scraper bar 52 is worn, the compressed spring 50 rebounds. When the spring 50 rebounds, it drives the telescopic column 49 to move. When the telescopic column 49 moves, it drives the scraper bar 52 to always fit the glass surface of the projector body 1.

[0029] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A literary work projection device, comprising a projector body (1), the top of the projector body (1) being fixedly connected to a protective shell (2), the bottom of the projector body (1) being fixedly connected to a positioning shell (3), the bottom of the positioning shell (3) being provided with a movable plate (4), characterized in that: An adjustment component for adjusting the projector body (1) is provided at the bottom of the movable plate (4); The adjustment component comprises: two positioning plates (5), four first movable columns (6), two movable bars (7), a bearing shell (8), a threaded column (9), a threaded block (10), two second movable columns (11), two movable wheels (12), two limiting plates (13), four rotating columns (14) and two rotating bars (15); a disassembly component for disassembling the projector body (1) is provided on the movable plate (4); The disassembly component comprises: two positioning columns (16), two positioning rings (17) and two limit strips (18); a positioning component for fixing the start-up component is provided on the top of the protective shell (2); The positioning assembly comprises: two pressure plates (19), a movable cylinder (20), a housing (21), a servo motor (22), two positioning plates (23), a bearing plate (24), a starting plate (25), a linkage plate (26), a connecting bar (27), a first bearing block (28), a transmission shaft (29), a shock absorbing ring (30), a starting column (31), a starting bar (32), a track column (33) and a triangular shaped block (34); a moving assembly for moving is provided on the linkage plate (26); The moving assembly comprises: a second bearing block (35), a trigger column (36), a telescopic plate (37), two linkage bars (38), a groove bar (39), a translation block (40) and a translation column (53); a trigger assembly for starting the moving assembly is provided on the transmission shaft (29); The trigger assembly comprises: a rotating bar (41), a linkage column (42), a track block (43), a matching plate (45), a blocking bar (46) and a four-corner shaped block (47); a cleaning assembly for cleaning dust on the projector body (1) is provided at the bottom of the two linkage bars (38); The cleaning assembly comprises: a loading plate (44), two positioning cylinders (48), two telescopic columns (49), two springs (50), two baffle plates (51) and a scraper strip (52); The bottom of the movable plate (4) is fixed with two positioning plates (5), each positioning plate (5) is movably connected to two first movable columns (6), and the outer side of each movable bar (7) is fixed with two first movable columns (6), a bearing is provided on the bearing shell (8), a threaded column (9) is fixedly connected to the inner ring of the bearing on the bearing shell (8), a threaded block (10) is threadedly connected to the threaded column (9), two second movable columns (11) are fixed at both ends of the threaded block (10), and each second movable column (11) is movably connected to a movable wheel (12), two limiting plates (13) are fixed to the outer side of the bearing shell (8), and each limiting plate (13) is movably connected to two rotating columns (14), one end of the movable bar (7) away from the positioning plate (5) is fixed to the rotating column (14), one end of the two movable wheels (12) is movably connected to the two second movable columns (11), and the other end of the movable wheel (12) is movably connected to the outer side of a movable bar (7).

2. A literary work projection device according to claim 1, characterized in that: The movable plate (4) is provided with two insertion slots for inserting the positioning columns (16); the two positioning columns (16) are correspondingly and movably connected to the positioning shell (3); the two positioning columns (16) are inserted into the insertion slots of the movable plate (4); each positioning column (16) is fixedly connected to a positioning ring (17); each positioning ring (17) is fixedly connected to a limiting strip (18); and the shape of the insertion slot of the movable plate (4) corresponds to the positioning ring (17) and the limiting strip (18).

3. A literary work projection device according to claim 1, characterized in that: The two pressure plates (19) are fixedly connected to the top of the protective shell (2), the movable cylinder (20) is fixedly connected to the top of the two pressure plates (19), the interior of the movable cylinder (20) is fixedly connected to two positioning plates (23), the bearing plate (24) is arranged inside the movable cylinder (20), the positioning plate (23) is provided with a bearing, the transmission shaft (29) is fixedly connected to the inner ring of the bearing on the positioning plate (23), the bearing plate (24) is movably connected to the transmission shaft (29), the housing (21) is fixedly connected to a positioning plate (23), the servo motor (22) is arranged inside the housing (21), the output shaft of the servo motor (22) is fixedly connected to the transmission shaft (29), the starting plate (25) is fixedly connected to the transmission shaft (29), and the connecting strip (27) is fixedly connected to the movable cylinder (20). The top of the cylinder (20) is fixedly connected to the bottom of the connecting strip (27), one end of the bottom of the linkage plate (26) is fixedly connected to a first bearing block (28), a bearing is provided on the first bearing block (28), a starting column (31) is fixedly connected to the inner ring of the bearing on the first bearing block (28), a starting strip (32) is fixedly connected to the starting column (31), a damping ring (30) is fixedly connected to the transmission shaft (29), a track column (33) is fixedly connected to the starting strip (32), a placement groove for placing a triangular shaped block (34) is provided on the starting disk (25), the triangular shaped block (34) is fixedly connected to the placement groove of the starting disk (25), and an end of the track column (33) away from the starting strip (32) is inserted into the placement groove of the starting disk (25).

4. A literary work projection device according to claim 3, characterized in that: The second bearing block (35) is fixedly connected to one end of the bottom of the linkage plate (26) away from the first bearing block (28); a bearing is provided on the second bearing block (35); the trigger column (36) is fixedly connected to the inner ring of the bearing on the second bearing block (35); the translation column (53) is fixedly connected to the start bar (32); one end of the telescopic plate (37) is provided with a lifting groove for connecting the translation column (53); the translation column (53) is inserted into the lifting groove of the telescopic plate (37); the other end of the telescopic plate (37) is provided with two telescopic grooves for connecting the linkage bar (38); the two linkage bars (38) are correspondingly inserted into the two telescopic grooves of the telescopic plate (37); one end of the linkage bar (38) away from the telescopic plate (37) is fixedly connected to a groove bar (39); the groove bar (39) is provided with a U-shaped groove for connecting the translation block (40); the translation block (40) is inserted into the U-shaped groove of the groove bar (39).

5. A literary work projection device according to claim 3, characterized in that: One end of the rotating bar (41) is fixedly connected to the trigger column (36), one end of the rotating bar (41) away from the trigger column (36) is fixedly connected to the linkage column (42), one end of the linkage column (42) is movably connected to the translation block (40), one end of the linkage column (42) away from the translation block (40) is fixedly connected to the track block (43), a corresponding hole for a four-corner special-shaped block (47) is provided on the matching disk (45), the four-corner special-shaped block (47) is arranged in the corresponding hole of the matching disk (45), the blocking bar (46) is fixedly connected to the four-corner special-shaped block (47), and both ends of the blocking bar (46) are fixedly connected to the matching disk (45), the four-corner special-shaped block (47) is fixedly connected to one end of the transmission shaft (29) away from the servo motor (22), and the four-corner special-shaped block (47) corresponds to the triangular special-shaped block (34).

6. A literary work projection device according to claim 4, characterized in that: The loading plate (44) is fixedly connected to the bottom of the two linkage bars (38), and the two positioning cylinders (48) are correspondingly fixedly connected to the loading plate (44). Each positioning cylinder (48) is provided with a movable hole for connecting a telescopic column (49). The two telescopic columns (49) are correspondingly inserted into the movable holes of the two positioning cylinders (48). Two springs (50) are arranged in the two positioning cylinders (48), and each spring (50) is sleeved on the corresponding telescopic column (49). Both ends of each spring (50) are fixedly connected to the inner wall of the positioning cylinder (48) and the baffle (51), and one end of the two telescopic columns (49) close to the projector body (1) is fixedly connected to a scraper (52), and the end of the projector body (1) corresponding to the scraper (52) is transparent glass, and the scraper (52) fits the projector body (1).

7. A literary work projection device according to claim 4, characterized in that: When the telescopic plate (37) moves to a maximum distance, the position of the telescopic plate (37) corresponds to the projector body (1), and the maximum position of the telescopic plate (37) corresponds to the farthest end of the projector body (1).

8. A literary work projection device according to claim 5, characterized in that: The quadrangular shaped block (47) is a rhombus-shaped quadrilateral, and the triangular shaped block (34) is a triangular shaped triangle.

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