CN114690527B - Projection device for assisting hand painting creation - Google Patents
Projection device for assisting hand painting creation Download PDFInfo
- Publication number
- CN114690527B CN114690527B CN202210373519.9A CN202210373519A CN114690527B CN 114690527 B CN114690527 B CN 114690527B CN 202210373519 A CN202210373519 A CN 202210373519A CN 114690527 B CN114690527 B CN 114690527B
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- China
- Prior art keywords
- mounting
- mounting box
- front shell
- rod
- shell
- 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.)
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Links
- 238000010422 painting Methods 0.000 title claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 48
- 239000000428 dust Substances 0.000 claims abstract description 38
- 239000011521 glass Substances 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims description 30
- 238000011084 recovery Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 3
- 230000010405 clearance mechanism Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
- B08B11/04—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto specially adapted for plate glass, e.g. prior to manufacture of windshields
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a projection device for assisting hand painting creation, which comprises a mounting box, wherein projection equipment is mounted in the mounting box, a transparent glass plate is arranged in the middle of the front side of the mounting box, a cleaning mechanism is arranged at the front end of the mounting box and positioned at the outer side of the transparent glass plate, a dust collection assembly is arranged at the bottom of the mounting box, and a dust collection opening of the dust collection assembly is connected with the bottom of the cleaning mechanism; the cleaning mechanism comprises an upper shell and a front shell, wherein the front shell is arranged at the front end of the mounting box, the upper end of the front shell is provided with the upper shell, a moving assembly is arranged in the upper shell, a cleaning assembly is arranged in the front shell, the cleaning assembly slides in the front shell, and one side of the cleaning assembly is in surface contact with the transparent glass plate. The projection device disclosed by the invention has the advantages that the cleaning mechanism is arranged to clean the projection position of the projection device after long-time use, the projection effect is ensured, the occurrence of blurring is avoided, meanwhile, the brush cylinder can also rotate to further ensure the cleaning effect, the brush cylinder is also convenient to replace, and the brush cylinder has good practical application value.
Description
Technical Field
The present invention relates to a projection apparatus, and more particularly, to a projection apparatus for assisting in hand-drawing creation.
Background
The hand painting is indistinguishable from our modern life density, the forms of construction, clothing, art, cartoon … … hand painting are classified, each has profession, and for the people of the relevant profession of the design drawing such as architects, researchers, designers, etc., the study of the hand painting design is a process penetrating through careers. Hand-painting is a very important content and link in the learning process of effect graphs.
In the process of hand-drawing creation and learning, a projection device is generally adopted to project people and objects to be created or learned, and then an creator creates or learns by watching the projected images. The projection device is generally mounted in a protective case, which is provided with a transparent projectable window for projection, and then the protective case is fixed, and the position of the protective case is generally not moved after the installation. This just leads to projection arrangement after long-time use, and its transparent window can fall grey, can influence projection effect, leads to the projection unclear to need the manual work to clear up, it is comparatively inconvenient. Accordingly, a projection apparatus for assisting hand-drawing creation is provided by those skilled in the art to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a projection device for assisting hand painting creation, which comprises a mounting box, wherein projection equipment is arranged in the mounting box, a transparent glass plate is arranged in the middle of the front side of the mounting box, a cleaning mechanism is arranged at the outer side of the front end of the mounting box, a dust collection assembly is arranged at the bottom of the mounting box, and a dust collection opening of the dust collection assembly is connected with the bottom of the cleaning mechanism;
the cleaning mechanism comprises an upper shell and a front shell, the front shell is arranged at the front end of the mounting box, the upper end of the front shell is provided with the upper shell, a moving assembly is arranged in the upper shell, a cleaning assembly is arranged in the front shell, the cleaning assembly slides in the front shell, and one side of the cleaning assembly is contacted with the surface of the transparent glass plate;
the left side wall and the right side wall in the front shell are respectively provided with a supporting rod, the end parts of the supporting rods are provided with rubber blocks, and the cleaning assembly is abutted against the rubber blocks at the end parts of the supporting rods when moving to the left side or the right side of the front shell.
Preferably: the rear end of the mounting box is provided with a rear cover, and the rear cover and the mounting box are fixedly mounted through a plurality of fixing bolts.
Preferably: the middle part of the top end of the installation box is provided with an installation rod, the upper end of the installation rod is provided with an installation plate, and the installation plate is provided with a plurality of second fixing bolts.
Preferably: the installation pole includes spliced pole and fixed cover, and the top of fixed cover is fixed in the mounting panel bottom, and fixed cover internal rotation is connected with spliced pole, and the bottom and the installation case of spliced pole are connected, installs gear one on the spliced pole, and gear one meshes gear two, and gear two installs on the motor shaft of rotating the motor, and rotating the motor fixed mounting is sheathe in.
Preferably: the movable assembly comprises a reciprocating screw rod, one end of the reciprocating screw rod is rotationally connected with the inner wall of the upper shell through a bearing, the other end of the reciprocating screw rod is provided with a movable motor, the movable motor is fixed on the inner wall of the upper shell, the reciprocating screw rod is connected with a threaded sliding block in a threaded manner, the top end of the front shell is provided with an upper sliding groove, the bottom of the threaded sliding block is located in the upper sliding groove and is in sliding connection with the upper sliding groove, and the bottom of the threaded sliding block is connected with the cleaning assembly.
Preferably: the cleaning assembly comprises a mounting shaft, a brush cylinder is arranged on the outer side of the mounting shaft, the brush cylinder moves to clean the surface of the transparent glass plate, a telescopic sleeve is sleeved on the top of the mounting shaft and is a telescopic rod, a groove is formed in the bottom of the telescopic sleeve, the groove is sleeved on the top of the mounting shaft, and the top of the telescopic sleeve is fixed to the bottom of the threaded sliding block.
Preferably: the bottom of the installation shaft is provided with a self-rotating motor, the self-rotating motor drives the installation shaft to rotate in the groove, the self-rotating motor is arranged on the sliding seat, the bottom of the sliding seat is provided with a sliding rod, and the sliding rod slides at the bottom in the front shell.
Preferably: the front shell bottom has offered down the spout, and the slide bar is located down the spout and rather than sliding connection, and the slot has been seted up to the slide inside, and rotation motor bottom is equipped with the inserted bar, inserted bar and slot looks adaptation.
Preferably: push switches are arranged on the left side and the right side of the sliding seat, the push switches are self-recovery switches, the push switches are automatically disconnected when not pressed, and the installation positions of the push switches correspond to the supporting rods.
Preferably: the dust collection assembly comprises a miniature dust collector and a dust collection nozzle, the miniature dust collector is fixedly arranged at the bottom of the mounting box, a suction pipe is connected to the inlet of the miniature dust collector, the other end of the suction pipe is connected with the dust collection nozzle, the dust collection nozzle is in a long strip shape, and the dust collection nozzle is arranged at the bottom of the front shell and covers the lower chute.
The invention has the technical effects and advantages that:
the projection device disclosed by the invention has the advantages that the cleaning mechanism is arranged to clean the projection position of the projection device after long-time use, the projection effect is ensured, the occurrence of blurring is avoided, meanwhile, the brush cylinder can also rotate to further ensure the cleaning effect, the brush cylinder is also convenient to replace, and the brush cylinder has good practical application value.
Drawings
FIG. 1 is a schematic perspective view of a projection apparatus for assisting hand-drawing creation according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram showing a projection apparatus for assisting hand-drawing creation in a second perspective structure according to the embodiment of the present application;
FIG. 3 is a schematic perspective view of a projection apparatus for assisting hand-drawing creation according to an embodiment of the present disclosure;
FIG. 4 is a front view of a projection apparatus for assisting hand-drawing authoring in accordance with an embodiment of the present application;
FIG. 5 is a schematic diagram of a structure of an upper case in a projection apparatus for assisting hand-drawing creation according to an embodiment of the present application;
FIG. 6 is an exploded view of a cleaning mechanism in a projection apparatus for assisting hand-drawing authoring according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a cleaning assembly in a projection apparatus for assisting hand-drawing creation according to an embodiment of the present application.
In the figure:
1-installing a box; 2-a rear cover; 3-fixing the first bolt; 4-mounting a rod; 5-mounting plates; 6-fixing a second bolt; 7-a cleaning mechanism; 8-dust collection assembly; 101-a transparent glass plate;
81-a micro cleaner; 82-a straw; 83-a dust collection nozzle; 41-rotating the column; 42-fixing sleeve; 43-gear one; 44-a rotating motor; 45-gear II;
71-an upper shell; 72-front shell; 73-moving assembly; 74-a cleaning assembly; 75-supporting rod; 76-rubber blocks; 77-lower chute; 78-upper chute;
731-a reciprocating screw; 732-a mobile motor; 733-a threaded slider; 741-mounting a shaft; 742-brush pot; 743-telescoping sleeve; 744-self-rotating motor; 745-inserting a rod; 746-slide; 747-slide bar; 748-push switch.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Examples
Referring to fig. 1 to 7, in this embodiment, a projection apparatus for assisting hand drawing creation is provided, including a mounting box 1, a projection device is mounted in the mounting box 1, a rear cover 2 is disposed at a rear end of the mounting box 1, the rear cover 2 and the mounting box 1 are fixedly mounted by a plurality of first fixing bolts 3, a mounting rod 4 is disposed in a middle portion of a top end of the mounting box 1, a mounting plate 5 is disposed at an upper end of the mounting rod 4, and a plurality of second fixing bolts 6 are disposed on the mounting plate 5;
further, the mounting rod 4 comprises a rotating column 41 and a fixed sleeve 42, the top of the fixed sleeve 42 is fixed at the bottom of the mounting plate 5, the rotating column 41 is rotationally connected to the fixed sleeve 42, the bottom of the rotating column 41 is connected with the mounting box 1, a first gear 43 is mounted on the rotating column 41, the first gear 43 is meshed with a second gear 45, the second gear 45 is mounted on a motor shaft of the rotating motor 44, and the rotating motor 44 is fixedly mounted on the fixed sleeve 42;
the middle part of the front side of the installation box 1 is provided with a transparent glass plate 101, the front end of the installation box 1 is positioned at the outer side of the transparent glass plate 101 and is provided with a cleaning mechanism 7, the bottom of the installation box 1 is provided with a dust collection assembly 8, and a dust collection opening of the dust collection assembly 8 is connected with the bottom of the cleaning mechanism 7;
the cleaning mechanism 7 comprises an upper shell 71 and a front shell 72, wherein the front shell 72 is arranged at the front end of the mounting box 1, the upper end of the front shell 72 is provided with the upper shell 71, a moving assembly 73 is arranged in the upper shell 71, a cleaning assembly 74 is arranged in the front shell 72, the cleaning assembly 74 slides in the front shell 72, and one side of the cleaning assembly 74 is in contact with the surface of the transparent glass plate 101;
the left side wall and the right side wall in the front shell 72 are respectively provided with a supporting rod 75, the end parts of the supporting rods 75 are provided with rubber blocks 76, and when the cleaning assembly 74 moves to the left side or the right side of the front shell 72, the cleaning assembly is in contact with the rubber blocks 76 at the end parts of the supporting rods 75;
the moving assembly 73 comprises a reciprocating screw rod 731, one end of the reciprocating screw rod 731 is rotationally connected with the inner wall of the upper shell 71 through a bearing, the other end of the reciprocating screw rod 731 is provided with a moving motor 732, the moving motor 732 is fixed on the inner wall of the upper shell 71, the reciprocating screw rod 731 is in threaded connection with a threaded slider 733, the top end of the front shell 72 is provided with an upper sliding groove 78, the bottom of the threaded slider 733 is positioned in the upper sliding groove 78 and is in sliding connection with the upper sliding groove, and the bottom of the threaded slider 733 is connected with the cleaning assembly 74;
the cleaning component 74 comprises a mounting shaft 741, a brush cylinder 742 is arranged on the outer side of the mounting shaft 741, the brush cylinder 742 moves to clean the surface of the transparent glass plate 101, a telescopic sleeve 743 is sleeved at the top of the mounting shaft 741, the telescopic sleeve 743 is a telescopic rod, a groove is arranged at the bottom of the telescopic sleeve 743, the groove is sleeved at the top of the mounting shaft 741, and the top of the telescopic sleeve 743 is fixed at the bottom of the thread slider 733;
the bottom of the installation shaft 741 is provided with a self-rotation motor 744, the self-rotation motor 744 drives the installation shaft 741 to rotate in the groove, the self-rotation motor 744 is arranged on the sliding seat 746, the bottom of the sliding seat 746 is provided with a sliding rod 747, and the sliding rod 747 slides at the bottom of the front shell 72;
a lower chute 77 is formed at the bottom of the front shell 72, a slide bar 747 is positioned in the lower chute 77 and is in sliding connection with the lower chute 77, a slot is formed in the slide seat 746, a inserting rod 745 is arranged at the bottom of the self-rotating motor 744, and the inserting rod 745 is matched with the slot;
the left and right sides of the slide 746 are provided with a push switch 748, the push switch 748 is a self-recovery switch, the push switch 748 is automatically disconnected when not pushed, and the installation position of the push switch 748 corresponds to the supporting rod 75;
the dust collection assembly 8 comprises a mini-type dust collector 81 and a dust collection nozzle 83, the mini-type dust collector 81 is fixedly arranged at the bottom of the mounting box 1, a suction pipe 82 is connected to the inlet of the mini-type dust collector 81, the other end of the suction pipe 82 is connected to the dust collection nozzle 83, the dust collection nozzle 83 is of a strip shape, and the dust collection nozzle 83 is arranged at the bottom of the front shell 72 and covers the lower chute 77.
The invention can install the projection device in the installation box 1 by opening the rear cover 2 at the rear side, then the installation box 1 is fixedly installed through the installation plate 5 and the second fixing bolt 6, for example, the installation box is installed at the top of a room, when in use, the projection angle of the projection device can be adjusted through the installation rod 4, the rotating motor 44 works and drives the second gear 45 to rotate, and the second gear 45 is meshed with the first gear 43, so that the rotating column 41 rotates in the fixed sleeve 42, thereby driving the installation box 1 to rotate, the projection device can project images through the transparent glass plate 101 at the front end of the installation box 1, and then the horizontal projection angle of the projection device can be adjusted;
after the projection device is used for a long time, ash can fall on the transparent glass plate 101 arranged on the front side of the box 1 so as to influence the projection effect, and the cleaning assembly 74 is positioned on the left side or the right side in the front shell 72 initially, so that the projection is not influenced;
at this time, the moving motor 732 in the moving assembly 73 in the upper shell 71 works, it drives the reciprocating screw 731 to rotate, the reciprocating screw 731 rotates and drives the thread slider 733 to slide leftwards or rightwards in the upper chute 78, at this time, the thread slider 733 drives the telescopic sleeve 743 to move, the telescopic sleeve 743 is sleeved on the mounting shaft 741, it drives the mounting shaft 741 to move, when the mounting shaft 741 moves, the brush cylinder 742 mounted on the mounting shaft 741 moves, the surface of the transparent glass plate 101 is cleaned by the movement of the brush cylinder 742, so that dust on the surface of the transparent glass plate is cleaned;
when the installation shaft 741 moves, the self-rotating motor 744 fixed at the bottom moves along with the movement, the self-rotating motor 744 is clamped with the sliding seat 746, so that the sliding seat 746 also slides along with the movement, meanwhile, the sliding rod 747 slides in the lower sliding groove 77, when the sliding seat 746 slides to the leftmost side or the rightmost side, the pressing switch 748 arranged on the side surface of the sliding seat is abutted against the rubber block 76 at the end part of the abutting rod 75, so that the pressing switch 748 is pressed, at the moment, the self-rotating motor 744 is started, the installation shaft 741 is driven to rotate in the groove, the rotation angle can be freely set, for example, the self-rotating motor 744 is started once, the self-rotating motor 744 rotates for 15 degrees, namely, the brush cylinder 742 rotates for 15 degrees, and at the moment, the brush cylinder 742 uses a new side surface for cleaning when cleaning operation is carried out next time, so as to ensure the cleaning effect;
the pressing switch 748 is pressed once to start and rotate once by the rotation motor 744, when the cleaning component 74 moves to clean, the pressing switch 748 automatically restores, when the pressing switch 748 moves to the other side, the pressing switch 748 is in contact with the supporting rod 75 again, and is pressed again, and the rotation motor 744 rotates again;
the invention can also be externally connected with a counting and alarming device, the specific connection mode and structure are the prior art, the detailed description and disclosure are omitted, the brush barrel 742 can automatically alarm after being used for a week, so that the brush barrel 742 is replaced, when the brush barrel 742 is replaced, the bottom of the telescopic sleeve 743 is pressed, the bottom is separated from the top of the mounting shaft 741, then the cleaning component 74 is slid to one side, then the mounting shaft 741 and the self-rotating motor 744 are taken down, the brush barrel 742 is replaced, then the inserting rod 745 is inserted into the inserting groove, the bottom of the telescopic sleeve 743 is pressed again, the cleaning component 74 is moved to the lower part of the telescopic sleeve 743, the telescopic rod at the bottom of the telescopic sleeve 743 is loosened, and the telescopic rod is automatically sleeved at the top of the mounting shaft 741, so that the replacement is completed.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (3)
1. The utility model provides a projection arrangement for assisting hand drawing creation, includes mounting box (1), installs projection equipment in mounting box (1), and its characterized in that, mounting box (1) front side middle part is equipped with transparent glass board (101), and mounting box (1) front end is located the outside of transparent glass board (101) and is equipped with clearance mechanism (7), and mounting box (1) bottom is equipped with dust absorption subassembly (8), and the dust absorption mouth of dust absorption subassembly (8) is connected with clearance mechanism (7) bottom;
the cleaning mechanism (7) comprises an upper shell (71) and a front shell (72), the front shell (72) is arranged at the front end of the installation box (1), the upper end of the front shell is provided with the upper shell (71), a moving assembly (73) is arranged in the upper shell (71), a cleaning assembly (74) is arranged in the front shell (72), the cleaning assembly (74) slides in the front shell (72), and one side of the cleaning assembly (74) is in surface contact with the transparent glass plate (101);
the left side wall and the right side wall in the front shell (72) are respectively provided with a supporting rod (75), the end parts of the supporting rods (75) are provided with rubber blocks (76), and when the cleaning assembly (74) moves to the left side or the right side of the front shell (72), the cleaning assembly is contacted with the rubber blocks (76) at the end parts of the supporting rods (75);
the middle part of the top end of the mounting box (1) is provided with a mounting rod (4), the upper end of the mounting rod (4) is provided with a mounting plate (5), and the mounting plate (5) is provided with a plurality of second fixing bolts (6);
the mounting rod (4) comprises a rotating column (41) and a fixing sleeve (42), the top of the fixing sleeve (42) is fixed at the bottom of the mounting plate (5), the rotating column (41) is rotationally connected to the fixing sleeve (42), the bottom of the rotating column (41) is connected with the mounting box (1), a first gear (43) is mounted on the rotating column (41), the first gear (43) is meshed with a second gear (45), the second gear (45) is mounted on a motor shaft of the rotating motor (44), and the rotating motor (44) is fixedly mounted on the fixing sleeve (42);
the movable assembly (73) comprises a reciprocating screw rod (731), one end of the reciprocating screw rod (731) is rotationally connected with the inner wall of the upper shell (71) through a bearing, the other end of the reciprocating screw rod is provided with a movable motor (732), the movable motor (732) is fixed on the inner wall of the upper shell (71), the reciprocating screw rod (731) is connected with a threaded slider (733) in a threaded manner, the top end of the front shell (72) is provided with an upper sliding groove (78), the bottom of the threaded slider (733) is positioned in the upper sliding groove (78) and is in sliding connection with the upper sliding groove, and the bottom of the threaded slider (733) is connected with the cleaning assembly (74);
the cleaning assembly (74) comprises a mounting shaft (741), a brush cylinder (742) is arranged on the outer side of the mounting shaft (741), the brush cylinder (742) moves to clean the surface of the transparent glass plate (101), a telescopic sleeve (743) is sleeved at the top of the mounting shaft (741), the telescopic sleeve (743) is a telescopic rod, a groove is formed in the bottom of the telescopic sleeve, the groove is sleeved at the top of the mounting shaft (741), and the top of the telescopic sleeve (743) is fixed at the bottom of a threaded sliding block (733);
the bottom of the installation shaft (741) is provided with a self-rotation motor (744), the self-rotation motor (744) drives the installation shaft (741) to rotate in the groove, the self-rotation motor (744) is arranged on the sliding seat (746), the bottom of the sliding seat (746) is provided with a sliding rod (747), and the sliding rod (747) slides in the inner bottom of the front shell (72);
a lower chute (77) is formed in the bottom of the front shell (72), a sliding rod (747) is positioned in the lower chute (77) and is in sliding connection with the lower chute, a slot is formed in the sliding seat (746), an inserting rod (745) is arranged at the bottom of the self-rotating motor (744), and the inserting rod (745) is matched with the slot;
the left side and the right side of the sliding seat (746) are both provided with a push switch (748), the push switch (748) is a self-recovery switch, the push switch is automatically disconnected when not pushed, and the installation position of the push switch (748) corresponds to the supporting rod (75).
2. A projection device for assisting hand drawing creation according to claim 1, characterized in that the rear end of the mounting box (1) is provided with a rear cover (2), the rear cover (2) being fixedly mounted with the mounting box (1) by means of a plurality of fixing bolts (3).
3. A projection device for assisting hand painting creation according to claim 1, characterized in that the dust collection assembly (8) comprises a miniature dust collector (81) and a dust collection nozzle (83), the miniature dust collector (81) is fixedly arranged at the bottom of the mounting box (1), a suction pipe (82) is connected at the inlet of the miniature dust collector, the dust collection nozzle (83) is connected at the other end of the suction pipe (82), and the dust collection nozzle (83) is in a strip shape, is arranged at the bottom of the front shell (72) and covers the lower chute (77).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210373519.9A CN114690527B (en) | 2022-04-11 | 2022-04-11 | Projection device for assisting hand painting creation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210373519.9A CN114690527B (en) | 2022-04-11 | 2022-04-11 | Projection device for assisting hand painting creation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114690527A CN114690527A (en) | 2022-07-01 |
| CN114690527B true CN114690527B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210373519.9A Active CN114690527B (en) | 2022-04-11 | 2022-04-11 | Projection device for assisting hand painting creation |
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| CN (1) | CN114690527B (en) |
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