CN112641229B

CN112641229B - From projected fine arts drawing with multi-functional table

Info

Publication number: CN112641229B
Application number: CN202110065421.2A
Authority: CN
Inventors: 陈跃琴
Original assignee: Binzhou University
Current assignee: Binzhou University
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2022-04-22
Anticipated expiration: 2041-01-19
Also published as: CN112641229A

Abstract

The invention discloses a self-projected multifunctional table for art painting, which comprises a support plate, a support mechanism, a lifting adjusting mechanism, a support seat, a support curved rod and a connecting frame, wherein the support mechanism is arranged in the center of the lower side surface of the support plate, a support sleeve is sleeved outside the support mechanism, a pair of first support frames and a pair of second support frames are arranged on the periphery of the support sleeve, a pair of drawers are arranged on the lower side surface of the support plate through the connecting frame, universal wheels are respectively arranged at the end part of the support curved rod and the lower side surface of the support seat, an auxiliary table surface mechanism comprises a sliding block, an auxiliary table plate and a first support strip, a support ring and a bearing mechanism are sequentially arranged on the lower side surface of the auxiliary table plate from top to bottom, the main table surface mechanism comprises a main table plate, a projector groove, a support rod, a limit strip and a projection mechanism, so that a drawing person can conveniently display or place the multifunctional table in order, and the space utilization rate is improved, the projector can be quickly installed and hidden, and the main desktop can be further used for drawing.

Description

From projected fine arts drawing with multi-functional table

Technical Field

The invention relates to the field of art equipment, in particular to a self-projection multifunctional table for art painting.

Background

Art table, also named drawing table, is a special work table that is applied to fields such as architectural design, engineering drawing, mechanical drawing, fine arts creation, and the design classroom and the design institute that are commonly in the universities, design company's design studio, according to the application of drawing table in different fields, can roughly divide into the drawing table of teaching drawing, engineering drawing table, numerical control drawing table at present, though computer software drawing is prevailing at present, to design practitioner, especially beginner, hand drawing is the indispensable way of cultivateing spaciousness, level, line sense, color sense.

But present art table function singleness is lower to the utilization ratio in space, can't protect effectively and place the art supplies at the desktop, and the easy landing of appliances such as drawing paper and painting brush is broken, causes the injury to the shape of drawing, and the inclination and the high unable accurate control of art table simultaneously can not carry out the adjustment one to one according to every artist's difference, cause fatigue to artist's health easily, are unfavorable for the expansion of drawing work.

Disclosure of Invention

The invention aims to solve the problems and the defects, and provides a self-projection multifunctional table for art painting, which improves the overall working efficiency.

The purpose of the invention can be realized by the following technical scheme: a self-projected multifunctional table for art painting comprises a supporting plate, a supporting mechanism, a lifting adjusting mechanism, a supporting seat, a supporting bent rod and a connecting frame, wherein the supporting mechanism is arranged at the center of the lower side surface of the supporting plate, a supporting sleeve is sleeved outside the supporting mechanism, a pair of first supporting frames and a pair of second supporting frames are arranged on the peripheral side surface of the supporting sleeve at equal angular intervals, the upper side surfaces of the first supporting frames and the second supporting frames are fixedly connected with the lower side surface of the supporting plate, a pair of drawers are arranged on the lower side surface of the supporting plate through the connecting frame, four side edges of the drawers are respectively and fixedly connected with the connecting frame, a main table top mechanism is arranged in the middle of the upper side surface of the supporting plate, two side table top mechanisms are arranged on two sides of the main table top mechanism, the end surface of the upper end of the supporting sleeve is fixedly connected with the lower side surface of the supporting plate, the lifting adjusting mechanism is arranged on the lower side of the supporting seat, and the supporting seat is arranged on the lower side of the lifting adjusting mechanism, the periphery side-mounting of supporting seat has a plurality of knee braces that support, supports the knee brace and is the even setting of equidistance on the supporting seat, and the universal wheel is all installed to the tip of supporting the knee brace and the downside of supporting seat.

As a further scheme of the invention, the supporting mechanism comprises a supporting square cylinder, a supporting cylinder and a supporting straight rod, the lifting adjusting mechanism comprises a worm gear box, a transmission worm wheel and an adjusting hand wheel, the upper end of the supporting square cylinder is fixedly connected with the center of the lower side surface of the supporting plate, the supporting square cylinder is sleeved on the outer side of the upper part of the supporting straight rod, the inner side wall of the supporting square cylinder is in threaded connection with the outer side surface of the supporting straight rod, the supporting cylinder is sleeved on the outer side of the supporting square cylinder, the inner side wall of the supporting cylinder is in sliding connection with the outer side surface of the supporting square cylinder, the lower end of the supporting cylinder is fixedly connected with the center of the upper side surface of the worm gear box, the transmission worm and the transmission worm wheel are arranged in the worm gear box, one end of the transmission worm is rotatably connected with the inner wall of one side of the worm gear box, the other side of the transmission worm penetrates through the inner wall of the other side of the worm gear box and is rotatably connected with the center of the side surface of the adjusting hand wheel, the transmission worm wheel is connected with the worm wheel box in a rotating mode, one side of the transmission worm wheel is meshed with the middle of the transmission worm, the middle of the transmission worm wheel is sleeved at the lower end of the supporting straight rod and is fixedly connected with the supporting straight rod, and the lower side face of the worm wheel box is fixedly connected with the upper side face of the supporting seat.

As a further proposal of the invention, the auxiliary desktop mechanism comprises a bracket box and a slide bar, the sliding block, vice table and first bracing piece, the both sides in the backup pad are installed to a pair of support box, the internally mounted of support box has a pair of slide bar, the both ends of slide bar respectively with the both sides inner wall fixed connection of support box, the cover is equipped with the sliding block on the slide bar, sliding block and slide bar sliding connection, the middle part of sliding block passes through the bearing rotation with one side minor face of vice table and is connected, first bracing piece is installed to the both sides face symmetry that vice table is close to the one end of bearing, four first bracing pieces rotate with vice table and are connected, first bracing piece is located the both sides long edge of vice table, the side of going up of sliding block is provided with respectively in the both sides of bearing with the corresponding joint groove of first bracing piece tip, the bar groove of cross-section for inverse right triangle is seted up to the side of keeping away from the bearing to the side of vice table.

As a further scheme of the invention, a support ring and a bearing mechanism are sequentially arranged on the lower side surface of the auxiliary table plate from top to bottom, triangular supports are arranged on the lower sides of the support ring and the bearing mechanism, the triangular supports are rotatably connected with the lower side surface of the auxiliary table plate, the peripheral side surface of the support ring is rotatably connected with the auxiliary table plate through a rotating shaft, a mounting block is arranged on one side surface of the support ring away from the auxiliary table plate and corresponds to the end part of the triangular supports, the bearing mechanism comprises bearing plates and connecting rods, a plurality of bearing plates are arranged on the auxiliary table plate in a row at equal intervals, the long edge of one side of each bearing plate is rotatably connected with the auxiliary table plate through a hinge, the connecting rods are arranged at two ends of the long edge of the other side of each bearing plate, the connecting rods are rotatably connected with the bearing plates, and the lower side surface of the bearing plate positioned at the lowest side is provided with a protruding block corresponding to the triangular supports.

As a further proposal of the invention, the main desktop mechanism comprises a main desktop and a projector slot, support rod, spacing and projection mechanism, the projector groove is installed to one side of main table, the opposite side of main table is rotated through the pivot with the side of backup pad and is connected, the upper surface middle part on the opposite side base of main table rotates and is connected with the barrier strip, one side lower part that main table is close to the projector groove is rotated with the one end of supporting rod and is connected, a pair of supporting rod symmetry sets up the both sides at main table downside, the magnetite is all installed with the corresponding position of main table downside to the other end of a pair of supporting rod, be provided with spacing under the supporting rod, spacing downside fixed connection is in the backup pad, the side of going up of spacing is provided with a plurality of spacing insections, spacing insection is inverted triangle-shaped and align to one row, spacing insection corresponds each other with the tip that the magnetite was installed to the supporting rod.

The projector support comprises a support guide rail, a projector groove, a mounting seat, a buckle, a clamping notch, a first support rod, a second support rod, a projector body, a mounting seat, a second support rod, a clamping notch, a first support rod, a second support rod, a clamping groove and a projector body, wherein the groove walls at two ends of the projector groove are fixedly connected with two ends of the support guide rail, the bottom side surface of the support guide rail is fixedly connected to the bottom of the projector groove, the mounting seat is connected to the support guide rail in a sliding mode, the lower side surface of the mounting seat is clamped with the support guide rail, one side of the mounting seat is rotatably connected with the lower end of the first support rod, the lower side wall of the square groove is rotatably connected with one end of the second support rod, the other end of the second support rod is provided with the buckle, the upper portion of the other side of the mounting seat is provided with the clamping notch corresponding to the buckle, the upper end of the first support rod is rotatably connected with one end of the second support rod, and the other end of the projector body is fixedly connected with the projector body.

As a further scheme of the invention, the cross section size of the projector body is consistent with that of the projector groove, the projector body and the second support rod are positioned on the same straight line, the straight line where the second support rod is positioned is vertical to the straight line where the mounting seat is positioned, the second support rod is vertical to the first support rod after rotating, the first support rod is vertical to the mounting seat after rotating, the first support rod is vertical to the plane where the main table board is positioned after rotating, the connection position of the first support rod and the second support rod is a damping rotating shaft, and the bearing guide rail is a damping guide rail.

As a further scheme of the invention, a strip-shaped limiting groove is carved on the peripheral side surface of the supporting square cylinder, and a limiting buckle is arranged on the inner side surface of the upper end of the supporting cylinder and is arranged in the limiting groove and is in sliding connection with the limiting groove.

As a further scheme of the invention, one side end parts of the pair of limiting strips are respectively and fixedly connected with the two side end parts of the rotating shaft of the main table plate, the other side end parts of the limiting strips are fixedly connected with cushion blocks, and the cushion blocks are mutually abutted with the side edges of the main table plate.

A working method of a self-projected multifunctional table for art painting comprises the following specific steps:

the method comprises the following steps: the adjusting hand wheel is rotated to drive the transmission worm, and then the supporting straight rod is rotated through the transmission worm wheel, the supporting straight rod pushes the supporting square cylinder to slide up and down in the supporting cylinder, and the supporting square cylinder pushes the supporting plate to move up and down;

step two: lifting the auxiliary table plate through the strip-shaped groove, pulling out the first supporting strip and clamping the first supporting strip with the sliding block, so that the auxiliary table plate is perpendicular to the sliding block, rotating the triangular support on the auxiliary table plate, putting down the supporting ring and the bearing plate, so that the supporting ring and the bearing plate are perpendicular to the auxiliary table plate, abutting the mounting block on the supporting ring against the end part of the triangular support on the lower side of the supporting ring, abutting the protruding block of the bearing plate on the lowest side against the end part of the triangular support on the lower side of the supporting ring, and pushing the sliding block, so that the position of the auxiliary table plate is adjusted to adapt to different operators;

step three: lifting the main table plate, selecting a proper angle, pulling out the support rod and mutually abutting the end part of the support rod and the upper side insection of the limit strip, thereby clamping the main table plate, pulling out the projector body from the projector groove, rotating the first support rod, pulling out the second support rod, and clamping the end part of the second support rod with the mounting seat, so that the first support rod is vertical to the mounting seat, rotating the second support rod, so that the projector body and the upper side surface of the main table plate keep a proper angle, pushing the mounting seat, so that the projector body is located at a proper position, placing the drawing paper on the upper side surface of the main table plate, rotating the stop strip, and pressing the drawing paper to prevent the drawing paper from loosening and sliding.

The invention has the beneficial effects that:

the adjusting hand wheel is rotated to drive the transmission worm, the supporting straight rod is further rotated through the transmission worm wheel, the supporting straight rod pushes the supporting square cylinder to slide up and down in the supporting cylinder, the supporting square cylinder pushes the supporting plate to move up and down, stable transmission of the supporting square cylinder and the supporting cylinder is kept through self-locking performance of the transmission worm wheel and the transmission worm, meanwhile, the height of the supporting plate is accurately adjusted according to different requirements, and the universal wheels below the supporting bent rods enable the multifunctional table to be convenient to move and rotate, so that a drawing worker can conveniently display or place the multifunctional table in a resetting mode;

the auxiliary table plate is lifted through the strip-shaped grooves, the first supporting strips are pulled out and clamped with the sliding blocks, the auxiliary table plate is enabled to be vertical to the sliding blocks, the triangular supports on the auxiliary table plate are rotated, the supporting rings and the bearing plates are put down and enabled to be vertical to the auxiliary table plate, the mounting blocks on the supporting rings are abutted to the end portions of the triangular supports on the lower sides of the supporting rings, the protruding blocks of the bearing plates on the lowest sides are abutted to the end portions of the triangular supports on the lower sides of the supporting rings, the sliding blocks are pushed, the auxiliary table plate and an operator are enabled to keep a proper distance, the supporting rings are used for bearing articles such as a pen container, a brush rinsing container or a clamping palette, the bearing plates can be used for containing various colors or other painting tools, the number of layers is large, the durability and the classification are convenient, meanwhile, the side faces of the auxiliary table plate are hidden, and the space utilization rate is improved;

lifting the main table plate, selecting a proper angle, pulling out the support rod and mutually abutting the end part of the support rod and the upper side insection of the limit strip, thereby clamping the main table plate, drawing out the projector body from the projector groove, rotating the first supporting bar, drawing out the second supporting bar, the end part of the second supporting bar is clamped with the mounting seat, so that the first supporting bar is vertical to the mounting seat, the second supporting bar is rotated to ensure that the projector body keeps a proper angle with the upper side surface of the main table plate, the mounting seat is pushed to ensure that the projector body is positioned at a proper position, the drawing paper is placed on the upper side surface of the main table plate, the blocking bar is rotated to ensure that the blocking bar presses the drawing paper to prevent the drawing paper from loosening and sliding, through the position adjustment to the projector, make things convenient for the graphics primitive to carry out drawing operation according to the picture of projection, labour saving and time saving to the projector can install fast and hide, can make the main desktop further be used for drawing.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the support plate, the support mechanism, the lift adjustment mechanism, the support base and the support bent rod according to the present invention;

FIG. 3 is a schematic structural view of a support mechanism and a lift adjustment mechanism of the present invention;

FIG. 4 is a side view of the sub-desktop mechanism of the present invention;

FIG. 5 is a schematic side view of the auxiliary table of the present invention;

FIG. 6 is a side view of the main table top mechanism of the present invention;

FIG. 7 is a schematic view of the connection structure of the projector body, the first support bar, the second support bar, the mounting seat, the guide rail, the second support bar and the buckle according to the present invention;

in the figure: 1. a support plate; 2. a first support frame; 3. a second support frame; 4. a support sleeve; 5. a drawer; 6. a sub-desktop mechanism; 7. a main desktop mechanism; 8. a lifting adjusting mechanism; 9. a supporting seat; 10. supporting the bent rod; 11. A connecting frame; 12. supporting the square cylinder; 13. a support cylinder; 14. a straight supporting rod; 15. a worm gear case; 16. a drive worm; 17. a drive worm gear; 18. adjusting a hand wheel; 19. a holder box; 20. a slide bar; 21. a slider; 22. a sub-table; 23. a first support bar; 24. a support ring; 25. a triangular bracket; 26. a bearing plate; 27. a connecting rod; 28. a main table board; 29. a projector tank; 30. a support stick; 31. a magnet; 32. a barrier strip; 33. a limiting strip; 34. a projector body; 35. a first support bar; 36. a second supporting strip; 37. a mounting seat; 38. receiving the guide rail; 39. a second support bar; 40. and (5) buckling.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-7: a self-projected multifunctional table for art painting comprises a support plate 1, a support mechanism, a lifting adjusting mechanism 8, a support seat 9, a support bent rod 10 and a connecting frame 11, wherein the support mechanism is installed at the center of the lower side surface of the support plate 1, a support sleeve 4 is sleeved on the outer side of the support mechanism, a pair of first support frames 2 and a pair of second support frames 3 are installed at the peripheral side surfaces of the support sleeve 4 at equal angular intervals, the upper side surfaces of the first support frames 2 and the second support frames 3 are fixedly connected with the lower side surface of the support plate 1, a pair of drawers 5 are installed on the lower side surface of the support plate 1 through the connecting frame 11, four side edges of the drawers 5 are respectively fixedly connected with the connecting frame 11, a main desktop mechanism 7 is installed at the middle part of the upper side surface of the support plate 1, auxiliary desktop mechanisms 6 are arranged on two sides of the main desktop mechanism 7, the end surface of the upper end of the support sleeve 4 is fixedly connected with the lower side surface of the support plate 1, lifting adjusting mechanism 8 is installed to supporting mechanism's downside, supporting seat 9 is installed to lifting adjusting mechanism 8's downside, a plurality of knee braces 10 that support are installed to the periphery side-mounting of supporting seat 9, support knee brace 10 and be the even setting of equal angle on supporting seat 9, the universal wheel is all installed to the tip of supporting knee brace 10 and the downside of supporting seat 9.

The supporting mechanism comprises a supporting square barrel 12, a supporting barrel 13 and a supporting straight rod 14, the lifting adjusting mechanism 8 comprises a worm wheel box 15, a transmission worm 16, a transmission worm wheel 17 and an adjusting hand wheel 18, the upper end of the supporting square barrel 12 is fixedly connected with the center of the lower side surface of the supporting plate 1, the supporting square barrel 12 is sleeved on the outer side of the upper part of the supporting straight rod 14, the inner side wall of the supporting square barrel 12 is in threaded connection with the outer side surface of the supporting straight rod 14, the outer side of the supporting square barrel 12 is sleeved with the supporting barrel 13, the inner side wall of the supporting barrel 13 is in sliding connection with the outer side surface of the supporting square barrel 12, the lower end of the supporting barrel 13 is fixedly connected with the center of the upper side surface of the worm wheel box 15, the transmission worm 16 and the transmission worm wheel 17 are arranged in the worm wheel box 15, one end of the transmission worm 16 is rotatably connected with the inner wall of one side of the worm wheel box 15, the other side of the transmission worm 16 penetrates through the inner wall of the other side of the worm wheel box 15 and is rotatably connected with the worm wheel box 15, the other end of the transmission worm 16 is fixedly connected to the center of the side face of the adjusting hand wheel 18, the transmission worm wheel 17 is rotatably connected with the worm wheel box 15, one side of the transmission worm wheel 17 is meshed with the middle of the transmission worm 16, the middle of the transmission worm wheel 17 is sleeved at the lower end of the supporting straight rod 14 and is fixedly connected with the supporting straight rod 14, and the lower side face of the worm wheel box 15 is fixedly connected with the upper side face of the supporting seat 9.

The auxiliary table top mechanism 6 comprises a support box 19, a sliding rod 20, a sliding block 21, an auxiliary table top 22 and first supporting strips 23, the support box 19 is arranged on two sides of the support plate 1, the sliding rod 20 is arranged in the support box 19, two ends of the sliding rod 20 are fixedly connected with inner walls of two sides of the support box 19 respectively, the sliding block 21 is sleeved on the sliding rod 20, the sliding block 21 is in sliding connection with the sliding rod 20, the middle part of the sliding block 21 is rotatably connected with a short edge of one side of the auxiliary table top 22 through a bearing, the first supporting strips 23 are symmetrically arranged on two side faces of one end, close to the bearing, of the auxiliary table top 22, the four first supporting strips 23 are rotatably connected with the auxiliary table top 22, the first supporting strips 23 are positioned on long edges of two sides of the auxiliary table top 22, clamping grooves corresponding to the end parts of the first supporting strips 23 are respectively arranged on two sides of the bearing on the upper side face of the sliding block 21, the upper side surface of the auxiliary table plate 22 is provided with a strip-shaped groove with an inverted right-angled triangle section on one side far away from the bearing.

The lower side surface of the auxiliary table plate 22 is provided with a support ring 24 and a bearing mechanism from top to bottom in sequence, the lower sides of the support ring 24 and the bearing mechanism are both provided with a triangular support 25, the triangular support 25 is rotatably connected with the lower side surface of the auxiliary table plate 22, the peripheral side surface of the support ring 24 is rotationally connected with the auxiliary table plate 22 through a rotating shaft, a mounting block is arranged on one side surface of the support ring 24 far away from the auxiliary table plate 22, the mounting blocks correspond to the end parts of the triangular brackets 25, the bearing mechanism comprises bearing plates 26 and connecting rods 27, a plurality of bearing plates 26 are arranged on the auxiliary table plate 22 in a row at equal intervals, the long edge of one side of the bearing plate 26 is rotatably connected with the auxiliary table plate 22 through a hinge, two ends of the long edge of the other side of the bearing plate 26 are both provided with connecting rods 27, the connecting rod 27 is rotatably connected with the bearing plate 26, and the lower side surface of the bearing plate 26 at the lowest side is provided with a convex block corresponding to the triangular bracket 25.

The main desktop mechanism 7 comprises a main desk board 28, a projector groove 29, a supporting rod 30, a limiting strip 33 and a projection mechanism, the projector groove 29 is installed on one side of the main desk board 28, the other side of the main desk board 28 is connected with the side of the supporting board 1 through a rotating shaft, the middle part of the upper surface on the other side of the main desk board 28 is connected with a blocking strip 32 in a rotating way, one lower part of one side of the main desk board 28 close to the projector groove 29 is connected with one end of the supporting rod 30 in a rotating way, the supporting rod 30 is symmetrically arranged on the two sides of the lower side of the main desk board 28, a magnet 31 is installed on the other end of the supporting rod 30 and the corresponding position of the lower side of the main desk board 28, the limiting strip 33 is arranged under the supporting rod 30, the lower side of the limiting strip 33 is fixedly connected on the supporting board 1, a plurality of limiting strips 33 are arranged on the upper side, the limiting strips are inverted triangle and are evenly arranged in a line, the limiting insection corresponds to the end part of the support rod 30 provided with the magnet 31, and the support rod 30 is limited on the main table board 28 through the magnet 31, so that the support rod 30 is prevented from causing interference when the main table board 28 is put down.

The two ends of the projector groove 29 are fixedly connected with the two ends of the adapting guide rail 38, the bottom side surface of the adapting guide rail 38 is fixedly connected with the bottom of the projector groove 29, the receiving guide rail 38 is slidably connected with a mounting seat 37, the receiving guide rail 38 is in an i-shape, the lower side surface of the mounting seat 37 is clamped with the receiving guide rail 38, one side of the mounting seat 37 is rotatably connected with the lower end of the first supporting rod 35, one side of the first supporting rod 35 is provided with a square groove, the lower side groove wall of the square groove is rotatably connected with one end of the second supporting bar 36, the other end of the second supporting bar 36 is provided with a buckle 40, the upper part of the other side of the mounting seat 37 is provided with a clamping notch corresponding to the buckle 40, the upper end of the first supporting rod 35 is rotatably connected with one end of a second supporting rod 39, and the other end of the second supporting rod 39 is fixedly connected with the projector body 34.

The cross-sectional dimension of the projector body 34 is consistent with that of the projector groove 29, the projector body 34 and the second support bar 39 are located on the same straight line, the straight line where the second support bar 39 is located is perpendicular to the straight line where the mounting seat 37 is located, the second support bar 39 is perpendicular to the first support bar 35 after rotating, the first support bar 35 is perpendicular to the mounting seat 37 after rotating, the first support bar 35 is perpendicular to the plane where the main table 28 is located after rotating, the connection position of the first support bar 35 and the second support bar 39 is a damping rotating shaft, and the receiving guide rail 38 is a damping guide rail.

The periphery side of the support square tube 12 is carved with a bar-shaped limiting groove, the upper end inner side of the support tube 13 is provided with a limiting buckle, and the limiting buckle is arranged in the limiting groove and is in sliding connection with the limiting groove.

One side end of each of the pair of limiting strips 33 is fixedly connected with the two side ends of the rotating shaft of the main table 28, the other side end of each of the limiting strips 33 is fixedly connected with a cushion block, and the cushion blocks are abutted against the side edges of the main table 28.

the method comprises the following steps: the adjusting hand wheel 18 is rotated to drive the transmission worm 16, and further the supporting straight rod 14 is rotated through the transmission worm wheel 17, the supporting straight rod 14 pushes the supporting square barrel 12 to slide up and down in the supporting barrel 13, and the supporting square barrel 12 pushes the supporting plate 1 to move up and down;

step two: lifting the auxiliary table plate 22 through the strip-shaped groove, pulling out the first supporting strip 23, clamping the first supporting strip 23 with the sliding block 21, keeping the auxiliary table plate 22 vertical to the sliding block 21, rotating the triangular bracket 25 on the auxiliary table plate 22, lowering the supporting ring 24 and the bearing plate 26, keeping the supporting ring 24 and the bearing plate 26 vertical to the auxiliary table plate 22, abutting the mounting block on the supporting ring 24 with the end part of the triangular bracket 25 on the lower side of the supporting ring, abutting the protruding block of the bearing plate 26 on the lowest side with the end part of the triangular bracket 25 on the lower side of the supporting ring, and pushing the sliding block 21, so that the position of the auxiliary table plate 22 is adjusted to adapt to different operators;

step three: lifting the main table 28, selecting a proper angle, pulling out the support rod 30, abutting the end of the support rod 30 and the upper side insection of the limit strip 33, thereby clamping the main table 28, pulling out the projector body 34 from the projector groove 29, rotating the first support rod 35, pulling out the second support rod 36, clamping the end of the second support rod 36 with the mounting seat 37, keeping the first support rod 35 vertical to the mounting seat 37, rotating the second support rod 39, keeping the projector body 34 at a proper angle with the upper side of the main table 28, pushing the mounting seat 37, making the projector body 34 located at a proper position, placing the drawing paper on the upper side of the main table 28, rotating the stop strip 32, and making the stop strip 32 press the drawing paper to prevent the drawing paper from loosening and sliding.

When the invention is used, a worker firstly rotates the adjusting hand wheel 18 to drive the transmission worm 16, then the transmission worm wheel 17 rotates the supporting straight rod 14, the supporting straight rod 14 pushes the supporting square cylinder 12 to slide up and down in the supporting cylinder 13, the supporting square cylinder 12 pushes the supporting plate 1 to move up and down, so that the height of the table top is adjusted to adapt to different artists, then the auxiliary table plate 22 is lifted up through the strip-shaped groove, the first supporting strip 23 is pulled out and the first supporting strip 23 is clamped with the sliding block 21, so that the auxiliary table plate 22 is vertical to the sliding block 21, the triangular support 25 on the auxiliary table plate 22 is rotated, the supporting ring 24 and the bearing plate 26 are put down and are vertical to the auxiliary table plate 22, the mounting block on the supporting ring 24 is abutted against the end of the triangular support 25 on the lower side of the supporting ring 24, the protruding block on the lowest side bearing plate 26 is abutted against the end of the triangular support 25 on the lower side of the lower side to push the sliding block 21, the auxiliary table board 22 and the operator keep a proper distance, the main table board 28 is lifted, a proper angle is selected, the supporting rod 30 is pulled out, the end part of the supporting rod 30 is abutted against the upper side insection of the limiting strip 33, the main table board 28 is clamped, the projector body 34 is pulled out from the projector groove 29, the first supporting rod 35 is rotated, the second supporting rod 36 is pulled out, the end part of the second supporting rod 36 is clamped with the mounting seat 37, the first supporting rod 35 is kept vertical to the mounting seat 37, the second supporting rod 39 is rotated, the projector body 34 and the upper side surface of the main table board 28 keep a proper angle, the mounting seat 37 is pushed, the projector body 34 is located at a proper position, the drawing paper is placed on the upper side surface of the main table board 28, the blocking strip 32 is rotated, the blocking strip 32 presses the drawing paper to prevent the drawing paper from loosening and sliding off, and the operation of the drawing by a painter is facilitated.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. The utility model provides a from multi-functional table is used in projected fine arts drawing, its characterized in that, including backup pad (1), supporting mechanism, lift guiding mechanism (8), supporting seat (9), support knee (10) and link (11), supporting mechanism is installed at the downside center of backup pad (1), supporting mechanism's outside cover is equipped with supporting sleeve (4), a pair of first support frame (2) and a pair of second support frame (3) are installed to the peripheral side of supporting sleeve (4) equiangular interval, the upper flank of first support frame (2) and second support frame (3) and the downside fixed connection of backup pad (1), a pair of drawer (5) is installed through link (11) to the downside of backup pad (1), four arris departments of drawer (5) respectively with link (11) fixed connection, the upper flank mid-mounting of backup pad (1) has main desktop mechanism (7), the two sides of the main desktop mechanism (7) are respectively provided with an auxiliary desktop mechanism (6), the end surface of the upper end of the supporting sleeve (4) is fixedly connected with the lower side surface of the supporting plate (1), the lower side of the supporting mechanism is provided with a lifting adjusting mechanism (8), the lower side of the lifting adjusting mechanism (8) is provided with a supporting seat (9), the peripheral side surface of the supporting seat (9) is provided with a plurality of supporting bent rods (10), the supporting bent rods (10) are uniformly arranged on the supporting seat (9) at equal angles, and universal wheels are respectively arranged at the end parts of the supporting bent rods (10) and the lower side surface of the supporting seat (9);

the auxiliary desktop mechanism (6) comprises a support box (19), a sliding rod (20), a sliding block (21), an auxiliary desk plate (22) and first supporting strips (23), the support box (19) is arranged on two sides of the support plate (1), a pair of sliding rods (20) are arranged inside the support box (19), two ends of each sliding rod (20) are fixedly connected with inner walls of two sides of the support box (19) respectively, the sliding rod (20) is sleeved with the sliding block (21), the sliding block (21) is connected with the sliding rod (20) in a sliding manner, the middle of each sliding block (21) is rotatably connected with a short edge of one side of the auxiliary desk plate (22) through a bearing, the first supporting strips (23) are symmetrically arranged on two side faces of one end, close to the bearing, of the auxiliary desk plate (22), the first supporting strips (23) are rotatably connected with the auxiliary desk plate (22), and the first supporting strips (23) are located on long edges of two sides of the auxiliary desk plate (22), clamping grooves corresponding to the end parts of the first supporting strips (23) are respectively formed in the two sides of the bearing on the upper side of the sliding block (21), and strip-shaped grooves with inverted right-angled triangle-shaped sections are formed in one side, far away from the bearing, of the upper side of the auxiliary table plate (22);

support ring (24) and supporting mechanism are installed by last under to in proper order to the downside of vice table (22), tripod (25) are all installed to support ring (24) and supporting mechanism's downside, tripod (25) are rotated with the downside of vice table (22) and are connected, the periphery side of support ring (24) is rotated through pivot and vice table (22) and is connected, be provided with the installation piece on the side of vice table (22) is kept away from in support ring (24), and the installation piece is corresponding with the tip of tripod (25), supporting mechanism is including accepting board (26) and connecting rod (27), and a plurality of board (26) of accepting are set up on vice table (22) with being one row and equidistant, the long limit of accepting board (26) passes through hinge swivelling joint with vice table (22), connecting rod (27) are all installed at the both ends on the opposite side long limit of accepting board (26), the connecting rod (27) is rotatably connected with the bearing plate (26), and the lower side surface of the bearing plate (26) positioned at the lowest side is provided with a convex block corresponding to the triangular bracket (25);

the main desktop mechanism (7) comprises a main desk plate (28), a projector groove (29), supporting rods (30), a limiting strip (33) and a projection mechanism, the projector groove (29) is installed on one side of the main desk plate (28), the other side of the main desk plate (28) is connected with the side of the supporting plate (1) in a rotating mode through a rotating shaft, a blocking strip (32) is connected to the middle of the upper surface of the other side of the main desk plate (28) on the bottom side in a rotating mode, the lower portion of one side, close to the projector groove (29), of the main desk plate (28) is connected with one end of the supporting rods (30) in a rotating mode, the supporting rods (30) are symmetrically arranged on the two sides of the lower side face of the main desk plate (28) in a pair, magnets (31) are installed at the other ends of the supporting rods (30) and the corresponding positions of the lower side face of the main desk plate (28), and the limiting strip (33) is arranged under the supporting rods (30), downside fixed connection of spacing (33) is on backup pad (1), the side of going up of spacing (33) is provided with a plurality of spacing insections, spacing insection is down triangle-shaped and align to grid, spacing insection corresponds each other with the tip that supports rod (30) and install magnetite (31).

2. The multifunctional desk for art painting of self-projection as claimed in claim 1, wherein the support mechanism comprises a support square cylinder (12), a support cylinder (13) and a support straight rod (14), the lifting adjustment mechanism (8) comprises a worm gear box (15), a transmission worm (16), a transmission worm gear (17) and an adjustment hand wheel (18), the upper end of the support square cylinder (12) is fixedly connected with the center of the lower side surface of the support plate (1), the support square cylinder (12) is sleeved on the outer side of the upper portion of the support straight rod (14), the inner side wall of the support square cylinder (12) is in threaded connection with the outer side surface of the support straight rod (14), the outer side of the support square cylinder (12) is sleeved with the support cylinder (13), the inner side wall of the support cylinder (13) is in sliding connection with the outer side surface of the support square cylinder (12), the lower end of the support cylinder (13) is fixedly connected with the center of the upper side surface of the worm gear box (15), the worm wheel box is characterized in that a transmission worm (16) and a transmission worm wheel (17) are arranged inside the worm wheel box (15), one end of the transmission worm (16) is rotatably connected with the inner wall of one side of the worm wheel box (15), the other side of the transmission worm (16) penetrates through the inner wall of the other side of the worm wheel box (15) and is rotatably connected with the worm wheel box (15), the end part of the other side of the transmission worm (16) is fixedly connected to the center of the side face of the adjusting hand wheel (18), the transmission worm wheel (17) is rotatably connected with the worm wheel box (15), one side of the transmission worm wheel (17) is meshed with the middle part of the transmission worm (16), the middle part of the transmission worm wheel (17) is sleeved at the lower end of the supporting straight rod (14) and is fixedly connected with the supporting straight rod (14), and the lower side face of the worm wheel box (15) is fixedly connected with the upper side face of the supporting seat (9).

3. The multifunctional table for art painting from projection as claimed in claim 2, wherein the two end walls of the projector slot (29) are fixedly connected with the two ends of the receiving guide rail (38), the bottom side surface of the receiving guide rail (38) is fixedly connected with the bottom of the projector slot (29), the receiving guide rail (38) is connected with a mounting seat (37) in a sliding manner, the receiving guide rail (38) is in an I shape, the lower side surface of the mounting seat (37) is connected with the receiving guide rail (38) in a clamping manner, one side of the mounting seat (37) is connected with the lower end of the first support bar (35) in a rotating manner, one side of the first support bar (35) is provided with a square slot, the lower side wall of the square slot is connected with one end of the second support bar (36) in a rotating manner, the other end of the second support bar (36) is provided with a buckle (40), and the upper portion of the other side of the mounting seat (37) is provided with a clamping notch corresponding to the buckle (40), the upper end of the first supporting rod (35) is rotatably connected with one end of the second supporting rod (39), and the other end of the second supporting rod (39) is fixedly connected with the projector body (34).

4. The multifunctional table for art painting of self-projection as claimed in claim 3, wherein the cross-sectional dimension of the projector body (34) is consistent with that of the projector groove (29), the projector body (34) and the second support bar (39) are located on the same straight line, the straight line where the second support bar (39) is located is perpendicular to the straight line where the mounting seat (37) is located, the second support bar (39) is perpendicular to the first support bar (35) after rotation, the first support bar (35) is perpendicular to the mounting seat (37) after rotation, the first support bar (35) is perpendicular to the plane where the main table board (28) is located after rotation, the connection between the first support bar (35) and the second support bar (39) is a damping rotating shaft, and the receiving guide rail (38) is a damping guide rail.

5. The multifunctional table for art painting from projection as claimed in claim 4, wherein the supporting square tube (12) is carved with a strip-shaped limiting groove on the peripheral side surface, the supporting tube (13) is provided with a limiting buckle on the inner side surface of the upper end, and the limiting buckle is arranged in the limiting groove and is connected with the limiting groove in a sliding manner.

6. A multifunctional table for art painting from projection as claimed in claim 5, characterized in that one side end of a pair of said limit bars (33) is fixedly connected to the two side ends of the rotation shaft of the main table (28), respectively, and the other side end of the limit bars (33) is fixedly connected to a spacer block, which is abutted against the side edge of the main table (28).

7. The working method of the self-projected multifunctional table for art painting as claimed in claim 6, wherein the working method comprises the following specific steps:

the method comprises the following steps: the adjusting hand wheel (18) is rotated to drive the transmission worm (16), the supporting straight rod (14) is further rotated through the transmission worm wheel (17), the supporting straight rod (14) pushes the supporting square cylinder (12) to slide up and down in the supporting cylinder (13), and the supporting square cylinder (12) pushes the supporting plate (1) to move up and down;

step two: the auxiliary table plate (22) is lifted through the strip-shaped groove, the first supporting strip (23) is pulled out and clamped with the sliding block (21), the auxiliary table plate (22) is enabled to be vertical to the sliding block (21), the triangular support (25) on the auxiliary table plate (22) is rotated, the supporting ring (24) and the bearing plate (26) are put down and enabled to be vertical to the auxiliary table plate (22), the mounting block on the supporting ring (24) is abutted against the end part of the triangular support (25) on the lower side of the supporting ring, the protruding block of the bearing plate (26) on the lowest side is abutted against the end part of the triangular support (25) on the lower side of the supporting ring, the sliding block (21) is pushed, and therefore the position of the auxiliary table plate (22) is adjusted to be suitable for different operators;

step three: lifting the main table plate (28), selecting a proper angle, pulling out the support rod (30) and mutually abutting the end part of the support rod (30) and the upper side insection of the limit strip (33), thereby clamping the main table plate (28), extracting the projector body (34) from the projector groove (29), rotating the first supporting bar (35), extracting the second supporting bar (36), and with the tip and the mount pad (37) joint of second support bar (36), make first bracing piece (35) and mount pad (37) keep perpendicular, rotate second bracing piece (39), make projector body (34) and main table (28) the side of going up keep suitable angle, promote mount pad (37), make projector body (34) be located suitable position, put the drawing paper at the side of going up of main table (28), rotate and block strip (32), make and block strip (32) and push down the drawing paper and prevent that it from loosening the landing.