CN112976886A - Environmental art design drawing auxiliary device - Google Patents

Environmental art design drawing auxiliary device Download PDF

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Publication number
CN112976886A
CN112976886A CN202110303719.2A CN202110303719A CN112976886A CN 112976886 A CN112976886 A CN 112976886A CN 202110303719 A CN202110303719 A CN 202110303719A CN 112976886 A CN112976886 A CN 112976886A
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CN
China
Prior art keywords
groove
easel
vertical
vertical rod
wedge
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Granted
Application number
CN202110303719.2A
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Chinese (zh)
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CN112976886B (en
Inventor
李迪
马骥
徐亚楠
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Zhengzhou Shengda University of Economics Business and Management
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Zhengzhou Shengda University of Economics Business and Management
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Application filed by Zhengzhou Shengda University of Economics Business and Management filed Critical Zhengzhou Shengda University of Economics Business and Management
Priority to CN202110303719.2A priority Critical patent/CN112976886B/en
Publication of CN112976886A publication Critical patent/CN112976886A/en
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Publication of CN112976886B publication Critical patent/CN112976886B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L5/00—Drawing boards
    • B43L5/02—Drawing boards having means for clamping sheets of paper thereto
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B27/00—Drawing desks or tables; Carriers for drawing-boards
    • A47B27/18—Locking means, e.g. for locking inclination of board

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  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)

Abstract

The invention relates to an environment art design drawing auxiliary device, which comprises an easel and a drawing board, wherein a pair of link mechanisms is arranged at the left end and the right end of the easel, each link mechanism comprises a sliding block, a first connecting rod and a second connecting rod, the sliding blocks are connected to the easel in a front-back sliding manner, the first connecting rods are hinged to the sliding blocks, the second connecting rods are hinged to the sliding blocks, a shell is arranged between the two link mechanisms, a spline shaft is arranged between the two first connecting rods and is rotatably connected with the shell, a first rotating shaft is connected between the two second connecting rods and is rotatably connected with the shell, two first gears are sleeved on the spline shaft, a first rack meshed with the first gears is slidably connected to the shell, a second rotating shaft positioned in the shell is rotatably connected to the shell, the second rotating shaft is transversely arranged, and adhesive tape rolls corresponding to the first racks; the easel is back-shaped, the outer edge of the drawing board is matched with the inner edge of the easel, two wedge-shaped locking mechanisms are arranged on the upper end face of the easel, and the drawing board is locked on the easel under the action of the wedge-shaped locking mechanisms.

Description

Environmental art design drawing auxiliary device
Technical Field
The invention relates to the technical field of drawing tools, in particular to an environment art design drawing auxiliary device.
Background
Before drawing, need flatten the drawing paper and fix on the drawing board, prior art generally is with the hand with the drawing paper shop on the drawing board and use the four corners of the fixed drawing paper of sticky tape, and often can make the drawing paper produce fold or unevenness in operation process, when having debris on the drawing face like glue stain, rubber bits, can influence drawing precision and make the drawing paper damaged even and lead to the unable normal use of drawing, after drawing the drawing, if not good save the drawing, the drawing can probably be scraped flower or scrape and lead to the unable normal use of drawing.
Disclosure of Invention
In order to overcome the technical defects in the prior art, the invention provides an environment art design drawing auxiliary device to solve the problems that drawing quality is affected due to the fact that drawing paper is uneven, and the drawing is damaged due to the fact that the drawing is not properly stored after drawing is completed.
The technical scheme for solving the problem is as follows: including easel and drawing board, easel level sets up and both ends symmetry is equipped with a pair of link mechanism about the easel, link mechanism is parallel double crank mechanism, link mechanism includes the slider, first connecting rod and second connecting rod, sliding connection is on the easel around the slider, the lower extreme of first connecting rod articulates the rear end in the slider through the axle that transversely sets up, the lower extreme of second connecting rod articulates the front end in the slider through the axle that transversely sets up, be equipped with the casing that is located the easel top between two link mechanism about, casing lower extreme level sets up, spline shaft that spline shaft hookup has transversely set up between two first connecting rods about, spline shaft transversely runs through the casing and rotates with the casing to be connected, be connected with the first pivot of transversely setting between two second connecting rods about, first pivot transversely runs through the casing and rotates with the casing to be connected, the distance between first connecting rod and slider end and articulated end and first connecting rod and the spline shaft link equals second connecting rod and slider articulated end and second connecting rod and first pivot link with the second connecting rod Distance between the end, the epaxial bilateral symmetry cover of integral key is equipped with two first gears, two first gears bilateral symmetry set up on the integral key shaft, vertical sliding connection has two first racks that are located first gear the place ahead and mesh with first gear one-to-one on the casing, it is located the second pivot of casing to rotate to be connected with on the casing, the second pivot is horizontal to be set up, the cover is equipped with the sticky tape book with first rack one-to-one on the second pivot, the easel is back shape, drawing board outer fringe and easel inner edge phase-match, there are two wedge locking mechanism on the easel up end, two wedge locking mechanism are located the left and right sides both ends of easel respectively, and two wedge locking mechanism bilateral symmetry set up on the easel, the drawing board is locked on the easel through wedge locking mechanism effect.
Preferably, the wedge-shaped locking mechanism comprises a wedge block, a push spring, a second rack, a vertical rod, a second gear, a sheave mechanism, a screw rod and a sliding plate, the wedge block is transversely connected with the easel in a limiting and sliding manner, the push spring is positioned between the wedge block and the outer edge surface of the easel and provides sliding thrust for the wedge block to slide towards the center of the easel, the second rack is transversely arranged and connected to the wedge block, the vertical rod is arranged above the easel, the upper part of the vertical rod is rectangular and the lower part of the vertical rod is cylindrical, the easel is provided with a rectangular groove matched with the vertical rod, so that the vertical rod can rotate and vertically slide relative to the easel when the lower part of the vertical rod is positioned in the rectangular groove, the vertical rod can only vertically slide relative to the easel when the upper part of the vertical rod is positioned in the rectangular groove, the vertical rod is sleeved with the spring positioned between the upper end of the vertical rod, a first guide groove is arranged on the inner edge of the second gear, the first guide groove 21 is composed of a first vertical groove, a first spiral groove and a second vertical groove, the helix angle of the first spiral groove is larger than the friction angle, the first vertical groove is positioned above the first spiral groove, the lower end of the first vertical groove is communicated with the upper end of the first spiral groove, the second vertical groove is positioned below the first spiral groove, the upper end of the second vertical groove is communicated with the lower end of the first spiral groove, the length of the second vertical groove is equal to one half of the pitch of the first spiral groove, a first guide block matched with the first guide groove is arranged on the vertical rod, when the vertical rod is positioned at the initial position, the first guide block is positioned in the first vertical groove, when the first guide block is matched with the first guide groove to enable the vertical rod to move downwards, the vertical rod drives the second gear to rotate to enable the second rack to move away from the center of the easel under the action of the second gear, so as to drive the wedge block to move away from the, when the vertical rod moves upwards, the vertical rod drives the second gear to rotate reversely, so that the second rack moves close to the center of the easel under the action of the second gear, and the wedge-shaped block is driven to move close to the center of the easel, the sheave mechanism comprises a driving plate and a sheave, the driving plate is sleeved on the vertical rod and positioned below the second gear, a second guide groove is arranged on the inner edge of the driving plate, the second guide groove consists of a third vertical groove and a second spiral groove, the spiral rising angle of the second spiral groove is larger than the friction rising angle, the third vertical groove is positioned above the second spiral groove, the lower end of the third vertical groove is communicated with the upper end of the second spiral groove, the length of the third vertical groove is equal to the sum of the lengths of the first vertical groove and the second vertical groove, the second spiral groove has the same pitch as the first spiral groove and has the opposite spiral direction, a sliding groove along the radial direction of the vertical rod is provided with a second guide block matched with the second guide groove, and the second guide block is positioned in the, the second guide block is located the spout and with montant sliding connection, be equipped with reset spring between second guide block and the montant, reset spring makes the second guide block do centrifugal slip on the montant along the radial thrust of montant for the second guide block, be equipped with the wedge on the second guide block, the orientation of wedge is unanimous with the helical direction of second helicla flute, the sheave rotates to be connected on the easel, screw rod and sheave coaxial coupling, the pitch of screw rod equals the product of drawing board thickness and sheave groove number, slide and the vertical sliding connection of easel, there is the cam push rod with screw rod assorted on the slide, when the driver plate rotates and drives the sheave rotation, the sheave drives the screw rod rotatory, the slider reciprocates along the screw rod under screw rod and cam push rod's effect.
Preferably, the lower end of the first rack is vertically and limitedly slidably connected with a pressing block, a pressure spring is connected between the upper end face of the pressing block and the lower end of the first rack, and the pressing block is pushed downwards by the pressure spring.
Preferably, the second rotating shaft is coaxially and rotatably connected with a sleeve, and the sleeve is provided with anti-skid grains.
Preferably, the lower end of the drawing board 2 is provided with a groove matched with drawing paper.
Preferably, a scraper is arranged on the rear end face of the shell, and the lower end face of the scraper is flush with the lower end face of the shell.
Preferably, a tension spring is connected between the sliding plate and the easel and provides upward tension for the sliding plate.
Compared with the prior art, the invention has the following advantages:
1. rotate link mechanism forward and make casing and drawing board contact, first rack downstream makes the sticky tape bond on the drawing board with sticky tape pushing down, and to pulling link mechanism forward, sticky tape bonds on drawing board and drawing paper when the casing will draw the paper exhibition flat, fixes drawing paper on the drawing board smoothly.
2. Rotate link mechanism backward and make casing and drawing board contact, first rack rebound and drawing board separation promote link mechanism backward, and the debris on the scraper blade with the drawing board are clear away, avoid debris influence drawing or destruction drawing.
3. After wedge locking mechanism locking drawing board, the drawing board is fixed and can not take place to rock from top to bottom on the easel, has avoided the person of drawing to rock because of the drawing board when drawing and influences drawing quality.
4. After accomplishing the drawing, place a drawing board once more on the drawing board and press down, a plurality of drawing boards are by wedge locking mechanism locking simultaneously, and the drawing paper cladding on the drawing board of upper strata will lower floor's drawing board is between two drawing boards from top to bottom to protected the drawing paper can not scraped flower or wearing and tearing.
5. When the vertical rod is pressed down, only one drawing board can be popped out, and the drawing is prevented from being damaged due to relative sliding between the drawing boards caused by the fact that a plurality of drawing boards are popped out at one time.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is an isometric view of the present invention.
Fig. 3 is a perspective view of the present invention.
Fig. 4 is a perspective view of the present invention.
FIG. 5 is a sectional view taken along line A-A of FIG. 1 in accordance with the present invention.
FIG. 6 is a partial enlarged view a of FIG. 5 according to the present invention.
FIG. 7 is a solid view of the three-dimensional structure of the stem of the present invention.
Fig. 8 is a perspective view of a second gear of the present invention.
Fig. 9 is a schematic perspective view of the dial of the present invention.
FIG. 10 is a partial structural schematic of the present invention.
In the figure: easel 1, drawing board 2, slider 3, first connecting rod 4, second connecting rod 5, casing 6, integral key shaft 7, first pivot 8, first gear 9, first rack 10, second pivot 11, adhesive tape book 12, wedge 13, push spring 14, second rack 15, montant 16, second gear 17, screw rod 18, slide 19, spring 20, first guide way 21, first guide block 22, driver plate 23, sheave 24, second guide way 25, second guide block 26, briquetting 27, pressure spring 28, sleeve 29, scraper blade 30, extension spring 31.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to fig. 1 to 10.
Embodiment 1, an environmental art design drawing auxiliary device, including easel 1 and drawing board 2, easel 1 is horizontally disposed and a pair of link mechanisms are symmetrically disposed at left and right ends of easel 1, the link mechanisms are parallel double-crank mechanisms, the link mechanisms include a slider 3, a first link 4, a second link 5 and a housing 6, the slider 3 is slidably connected to a side wall of easel 1 in a front-back direction, a lower end of the first link 4 is hinged to a rear end of the slider 3 through a transversely disposed shaft, a lower end of the second link 5 is hinged to a front end of the slider 3 through a transversely disposed shaft, the housing 6 is disposed between two first links 4 and above easel 1, a lower end surface of the housing 6 is horizontally disposed, a spline shaft 7 is connected between the left and right first links 4 in a spline manner, the spline shaft 7 transversely penetrates through the housing 6 and is rotatably connected to the housing 6, a first rotating shaft 8 is connected between the left and right second links 5, the first rotating shaft 8 transversely penetrates through the shell 6 and is rotatably connected with the shell 6, the distance between the hinged end of the first connecting rod 4 and the slider 3 and the connecting end of the first connecting rod 4 and the spline shaft 7 is equal to the distance between the hinged end of the second connecting rod 5 and the slider 3 and the distance between the hinged end of the first connecting rod 4 and the slider 3 and the distance between the hinged end of the second connecting rod 5 and the slider 3 are equal to the distance between the connecting end of the first connecting rod 4 and the spline shaft 7 and the connecting end of the second connecting rod 5 and the first rotating shaft 8, so that the lower end face of the shell 6 is always kept in a horizontal state in the operation process of the connecting rod mechanism, the spline shaft 7 is sleeved with two first gears 9, the two first gears 9 are symmetrically arranged on the spline shaft 7 in a left-right mode, the distance between the two first gears 9 is equal to the length of the drawing paper, the first racks 10 which are positioned in front of the first gears 9 and correspond to the first gears 9 one by one are vertically and slidably connected, first rack 10 meshes with corresponding first gear 9, and the last swivelling joint of casing 6 has second pivot 11 that is located casing 6, and second pivot 11 transversely sets up, and the cover is equipped with adhesive tape roll 12 with first rack 10 one-to-one on the second pivot 11, and easel 1 is back the shape, and 2 outer fringe of drawing board and easel 1 inner edge phase-matches have two wedge locking mechanism on the easel 1 up end, two wedge locking mechanism is located the middle part at both ends about easel 1 respectively, and two wedge locking mechanism bilateral symmetry settings on easel 1, and drawing board 2 is through wedge locking mechanism effect locking on easel 1.
Embodiment 2, on the basis of embodiment 1, the wedge-shaped locking mechanism includes a wedge 13, a push spring 14, a second rack 15, a vertical rod 16, a second gear 17, a sheave mechanism, a screw 18 and a sliding plate 19, a housing corresponding to the wedge-shaped locking mechanism one by one is disposed on the upper end surface of the easel 1, the wedge 13 is connected with the housing in a transverse limiting sliding manner, the push spring 14 is located between the wedge 13 and the inner side wall of the housing, the push spring 14 provides a pushing force for the wedge 13 to slide towards the center of the easel 1, the second rack 15 is transversely disposed and connected to the wedge 13, the second rack 15 is located in the housing, the vertical rod 16 is vertically disposed and placed above the easel 1, the upper portion of the vertical rod 16 is a cuboid, the lower portion of the vertical rod 16 is a cylinder, a rectangular groove matched with the upper portion of the vertical rod 16 is disposed on the upper wall of the housing, an axis of the rectangular groove is vertically disposed and penetrates through the upper wall of the housing, so, when the upper part of the vertical rod 16 is positioned in the rectangular groove, the vertical rod 16 can only vertically slide relative to the shell, the spring 20 positioned between the upper end of the vertical rod 16 and the upper end surface of the shell is sleeved on the vertical rod 16, the upward thrust is given to the vertical rod 16 by the spring 20, when the vertical rod 16 is upwards pushed to the highest point by the spring 20, the position of the vertical rod 16 is the initial position of the vertical rod 16, when the vertical rod 16 is at the initial position, the cylinder is positioned in the rectangular groove, the lower end surface of the cuboid is parallel and level with the upper end surface of the shell, the vertical rod 16 can rotate relative to the shell when the vertical rod 16 is at the initial position, the vertical rod 16 is immediately locked and rotated when the vertical rod 16 moves downwards, the second gear 17 is coaxially arranged with the vertical rod 16 and is meshed with the second gear 15, first guide grooves 21 are arranged on the inner edge of the second gear 17, two first guide grooves 21 are circumferentially and uniformly distributed, The vertical rod 16 is arranged at an initial position, the first guide block 22 is positioned in the first vertical groove, the lower part of the vertical rod 16 is positioned in the rectangular groove at the moment, the second gear 17 rotates to drive the first guide block 22 positioned in the first vertical groove to rotate so as to drive the vertical rod 16 to rotate, when the vertical rod 16 moves downwards, the upper part of the vertical rod 16 enters the rectangular groove so as to lock the rotation of the vertical rod 16, the first guide block 22 is matched with the first guide groove 21, so that the vertical rod 16 drives the second gear 17 to rotate forward, the second gear 15 moves away from the center of the easel 1 under the action of the second gear 17, so as to drive the wedge-shaped block 13 to move away from the center of the easel, similarly, when the vertical rod 16 moves upwards, the vertical rod 16 drives the second gear 17 to rotate reversely, so that the second gear 15 moves close to the center of the easel under the action of the second gear 17, so as to drive the wedge-shaped block 13 to move close to the center of the easel, the sheave mechanism comprises a driving plate 23 and a sheave 24, the driving plate 23 and the vertical rod 16 are coaxially arranged and are positioned below the second gear 17, the sheave 24 is rotatably connected to the easel 1 and matched with the driving plate 23, the driving plate 23 is provided with two cylindrical pins, the two cylindrical pins are symmetrical with respect to the center of the driving plate 23, the sheave 24 is a four-groove sheave, when the driving plate 23 is at an initial position, the grooved pulley 24 is immediately shifted to rotate forwards when the driving plate 23 rotates forwards, the grooved pulley 24 is shifted to rotate backwards when the driving plate 23 rotates backwards by 90 degrees, so that the cylindrical pin enters the groove of the grooved pulley 24 and then rotates backwards, a second guide groove 25 is arranged on the inner edge of the driving plate 23, two second guide grooves 25 are uniformly distributed on the inner edge surface of the driving plate 23 in a circumferential mode, each second guide groove 25 consists of a third vertical groove and a second spiral groove, the spiral rising angle of each second spiral groove is larger than the friction rising angle, each third vertical groove is positioned above each second spiral groove, the lower end of each third vertical groove is communicated with the upper end of each second spiral groove, the length of each third vertical groove is equal to the sum of the lengths of the first vertical groove and the second vertical groove, each second spiral groove is identical to the pitch of the first spiral groove and opposite to the spiral direction, the rotating angle of the first spiral groove is 180 degrees, a sliding groove along the radial direction of the vertical rod 16 is arranged on, the second guide block 26 is located in the sliding groove and is connected with the vertical rod 16 in a sliding manner, a return spring is arranged between the second guide block 26 and the vertical rod 16, the return spring provides a thrust force for the second guide block 26 along the radial direction of the vertical rod 16 to enable the second guide block 26 to slide on the vertical rod 16 in a centrifugal manner, a wedge surface is arranged on the second guide block 26, the orientation of the wedge surface is consistent with the spiral direction of the second spiral groove, the second guide block 26 is located in the third vertical groove when the vertical rod 16 is located at the initial position, at the moment, the lower portion of the vertical rod 16 is located in the rectangular groove, the vertical rod 16 is driven to rotate forward by the second gear 17 when the second gear 17 rotates forward, the drive plate 23 is driven to rotate forward by the second guide block 26 located in the third vertical groove, the second gear 17 drives the vertical rod 16 to rotate backward when the second gear 17 rotates backward, the wedge surface of the second guide block 26 slides relative to the side wall of the third vertical groove to, the vertical rod 16 continuously rotates to enable the second guide block 26 to enter another third vertical groove to complete the unidirectional rotation movement of the drive plate 23, after each unidirectional rotation movement is completed, the cylindrical pin of the drive plate 23 rotates 180 degrees, when the vertical rod 16 moves downwards, the upper portion of the vertical rod 16 enters the rectangular groove to lock the rotation of the vertical rod 16, when the first guide block 22 moves to the middle of the first spiral groove, the second gear 17 rotates 90 degrees in a forward direction, the second guide block 26 moves downwards along the third vertical groove to the junction of the third vertical groove and the second spiral groove, the vertical rod 16 continuously moves downwards, when the first guide block 22 moves to the junction of the first spiral groove and the second vertical groove, the second guide block 26 moves to the middle of the second spiral groove, at the moment, the second gear 17 rotates 180 degrees in the forward direction to drive the second gear 15 to move, the wedge-shaped block 13 is separated from the drawing board 2, the drive plate 23 rotates 90 degrees in a reverse direction to enable the cylindrical pin to rotate to the notch of the grooved wheel 24, the vertical rod 16 continues to move downwards, the first guide block 22 enters the second vertical groove, so that the rotation of the second gear 17 is locked, the second gear 17 is matched with the second rack 15 to keep the wedge-shaped block 13 in a static state, the second guide block 26 moves to the bottom end of the second spiral groove to drive the driving plate 23 to rotate reversely by 180 degrees, the driving plate 23 drives the grooved wheel 24 to rotate reversely by 90 degrees, similarly, when the vertical rod 16 is located at the lowest end and moves upwards, the first guide block 22 drives the second gear 17 to rotate reversely by 180 degrees, the wedge-shaped block 13 slides centripetally to the upper side of the drawing board 2 under the matching of the second gear 17 and the second rack 15, the second guide block 1 slides centripetally along the sliding groove under the action of the wedge surface and the second spiral groove, so as to be separated from the second spiral groove and move upwards along with the vertical rod 16, and the second guide block 26 slides centrifugally along the sliding groove under the thrust action of the reset spring when moving to the third, therefore, the driving plate 23 is kept in a static state in the process that the vertical rod 16 slides upwards, the screw 18 comprises a spiral cam groove located on the side wall of the screw 18, the screw 18 is coaxially connected with the grooved wheel 24, the thread pitch of the cam groove is 4 times of the thickness of the drawing board 2, the sliding plate 19 is vertically and slidably connected with the easel 1, the sliding plate 19 is provided with a cam push rod matched with the cam groove on the screw 18, when the sliding plate 19 is at an initial position, the upper end face of the sliding plate 19 is flush with the lower end face of the wedge block 13, when the driving plate 23 rotates to drive the grooved wheel 24 to rotate, the grooved wheel 24 drives the screw 18 to rotate, the sliding block 3 moves up and down along the screw 18 under the action of the cam groove and.
Embodiment 3 is based on embodiment 1, a pressing block 27 is connected to the lower end of the first rack 10 in a vertically limited sliding manner, a pressure spring 28 is connected between the upper end surface of the pressing block 27 and the lower end of the first rack 10, and the pressing block 27 is pushed downwards by the pressure spring 28, so that the pressing block 27 adheres the adhesive tape to the drawing board when the housing 6 is not in contact with the drawing board 2, and presses the adhesive tape.
In embodiment 4, on the basis of embodiment 1, a sleeve 29 is coaxially and rotatably connected to the second rotating shaft 11, and the sleeve 29 is provided with anti-skid threads.
Embodiment 5, on embodiment 1's basis, drawing board 2 lower extreme seted up with drawing paper assorted groove, the degree of depth in groove is greater than the thickness of drawing paper, the length in groove is greater than the length of drawing paper and the width in groove is greater than the width of drawing paper, makes to have the clearance that is used for protecting the drawing paper between two drawing board 2 downwards.
In example 6, in example 1, the scraper 30 was provided on the rear end surface of the casing 6, the lower end surface of the scraper 30 was flush with the lower end surface of the casing 6, and the rear end of the scraper 30 was serrated.
In embodiment 7, in addition to embodiment 2, a tension spring 31 is connected between the slide plate 19 and the easel 1, and the tension spring 31 gives an upward tension to the slide plate 19.
When the drawing board is used, the drawing board 2 is placed on the easel 1 and the wedge block 13 and is pressed downwards, the drawing board 2 pushes the wedge block 13 to enable the wedge block 13 to slide centrifugally, the wedge block 13 drives the second rack 15 to move so as to enable the second gear 17 meshed with the second rack 15 to rotate forwards, when the wedge block 13 moves to a limit position, the second gear 17 rotates 180 degrees forwards, the second gear 17 drives the first guide block 22 positioned in the first vertical groove to rotate so as to drive the vertical rod 16 to rotate 180 degrees forwards, the vertical rod 16 drives the driving plate 23 to rotate 180 degrees forwards through the second guide block 26 positioned in the second guide groove 25, the driving plate 23 pulls the grooved wheel 24 to rotate 90 degrees forwards and then locks the grooved wheel 24, at the moment, the sliding plate 19 and the screw 18 move downwards by a quarter of pitch, namely, the distance of the downward movement of the sliding plate 19 is equal to the thickness of the drawing board 2, at the moment, the drawing board 2 is separated from the wedge block 13, the wedge block 13 slides centripetally, a second rack 15 on the wedge-shaped block 13 drives a second gear 17 to rotate reversely, the second gear 17 drives a vertical rod 16 to rotate reversely, a wedge surface of a second guide block 26 and a side wall of a third vertical groove slide relatively to enable the second guide block 26 to slide centripetally along a sliding groove, so that the second guide block is separated from the first vertical groove, when the wedge-shaped block 13 is reset, the second rack 15 drives the second gear 17 to rotate reversely by 180 degrees, the second gear 17 drives the vertical rod 16 to rotate reversely by 180 degrees, the wedge surface of the second guide block 26 and the side wall of the third vertical groove slide relatively to enable the second guide block 26 to slide centripetally along the sliding groove, so that the second guide block is separated from the first vertical groove and enters another first vertical groove, and at the moment, the vertical distance between the lower end surface of the wedge-shaped block 13 and the upper end surface of the sliding plate 19 is equal to the thickness of;
the connecting rod mechanism is pulled to the foremost end of the easel 1, the connecting rod mechanism is rotated backwards to enable the shell 6 to be in contact with the drawing board 2, the shell 6 is pushed backwards, the scraper 30 cleans sundries such as glue stains and rubber scraps on the upper end face of the drawing board 2, drawing paper is placed on the drawing board 2, the connecting rod mechanism is rotated forwards to enable the shell 6 to be in contact with the drawing board 2, in the process, the spline shaft 7 rotates relative to the shell 6 to drive the first gear 9 to rotate, the first gear 9 drives the first rack 10 to slide downwards to extrude the adhesive tape on the drawing board 2, the connecting rod mechanism is pulled forwards, and the shell 6 bonds the adhesive tape on the drawing board 2 and the drawing paper in the process of flattening the drawing paper;
after drawing is finished, the drawing boards 2 can be locked on the easel 1 by repeating the actions, and a gap for storing drawing paper exists between the two drawing boards 2, so that the drawing paper is protected from being scratched and broken;
when drawing paper needs to be taken out, the vertical rod 16 is pressed downwards, the upper portion of the vertical rod 16 enters the rectangular groove, so that rotation of the vertical rod 16 is locked, the first guide block 22 is matched with the first guide groove 21, the vertical rod 16 drives the second gear 17 to rotate forwards, the second gear 15 slides centrifugally on the easel 1 under the action of the second gear 17, so that the wedge block 13 is driven to move away from the center of the easel, when the first guide block 22 moves to the middle portion of the first spiral groove, the second gear 17 rotates forwards by 90 degrees at the moment, the second guide block 26 moves downwards along the third vertical groove to the junction of the third vertical groove and the second spiral groove, the vertical rod 16 continues to move downwards, when the first guide block 22 moves to the junction of the first spiral groove and the second vertical groove, the second guide block 26 moves to the middle portion of the second spiral groove, at the moment, the second gear 17 drives the second gear 15 to move 180 degrees, so that the wedge block 13 is separated from the drawing board 2, the driving plate 23 rotates reversely by 90 degrees to enable the cylindrical pin to rotate to the notch of the grooved wheel 24, the vertical rod 16 continues to move downwards, the first guide block 22 enters the second vertical groove, so that the rotation of the second gear 17 is locked, the second gear 17 is matched with the second rack 15 to enable the wedge block 13 to be kept in a static state, the second guide block 26 moves to the bottom end of the second spiral groove to drive the driving plate 23 to rotate reversely by 180 degrees, the driving plate 23 drives the grooved wheel 24 to rotate reversely by 90 degrees, so that the screw rod 18 rotates reversely by 90 degrees, the cam push rod on the sliding plate 19 is matched with the cam groove on the screw rod 18 to enable the sliding plate 19 to move upwards by a distance of the drawing board 2, so that one drawing board 2 is popped up, when the vertical rod 16 is located at the lowest end and moves upwards, the first guide block 22 drives the second gear 17 to rotate reversely by 180 degrees, the wedge block 13 slides centripetally to the drawing board 2 under the matching of the second, therefore, the drawing board 2 is separated from the second spiral groove and moves upwards along with the vertical rod 16, the second guide block 26 slides centrifugally along the sliding groove under the thrust action of the return spring when moving to the third vertical groove, the second guide block 26 enters the third vertical groove, and the drive plate 23 is kept in a static state in the process that the vertical rod 16 slides upwards, so that the drawing board 2 between the sliding plate 19 and the wedge block 13 is locked, the vertical rod 16 is repeatedly pressed downwards, and the drawing board 2 between the sliding plate 19 and the wedge block 13 can be completely ejected.
Compared with the prior art, the invention has the following advantages:
1. rotate link mechanism forward and make casing and drawing board contact, first rack downstream makes the sticky tape bond on the drawing board with sticky tape pushing down, and to pulling link mechanism forward, sticky tape bonds on drawing board and drawing paper when the casing will draw the paper exhibition flat, fixes drawing paper on the drawing board smoothly.
2. Rotate link mechanism backward and make casing and drawing board contact, first rack rebound and drawing board separation promote link mechanism backward, and the debris on the scraper blade with the drawing board are clear away, avoid debris influence drawing or destruction drawing.
3. After wedge locking mechanism locking drawing board, the drawing board is fixed and can not take place to rock from top to bottom on the easel, has avoided the person of drawing to rock because of the drawing board when drawing and influences drawing quality.
4. After accomplishing the drawing, place a drawing board once more on the drawing board and press down, a plurality of drawing boards are by wedge locking mechanism locking simultaneously, and the drawing paper cladding on the drawing board of upper strata will lower floor's drawing board is between two drawing boards from top to bottom to protected the drawing paper can not scraped flower or wearing and tearing.
5. When the vertical rod is pressed down, only one drawing board can be popped out, and the drawing is prevented from being damaged due to relative sliding between the drawing boards caused by the fact that a plurality of drawing boards are popped out at one time.

Claims (7)

1. An environment art design drawing auxiliary device comprises an easel (1) and a drawing board (2), and is characterized in that the easel (1) is horizontally arranged, a pair of connecting rod mechanisms are symmetrically arranged at the left end and the right end of the easel (1), each connecting rod mechanism is a parallel double-crank mechanism, each connecting rod mechanism comprises a sliding block (3), a first connecting rod (4), a second connecting rod (5) and a shell (6), the sliding blocks (3) are connected onto the easel (1) in a front-back sliding manner, the lower ends of the first connecting rods (4) are hinged to the rear ends of the sliding blocks (3) through transversely arranged shafts, the lower ends of the second connecting rods (5) are hinged to the front ends of the sliding blocks (3) through transversely arranged shafts, the shell (6) is arranged between the two first connecting rods (4) and above the easel (1), the lower end surface of the shell (6) is horizontally arranged, a spline shaft (7) is connected between the left first connecting rod (4, a spline shaft (7) transversely penetrates through the shell (6) and is rotatably connected with the shell (6), a first rotating shaft (8) is connected between the left second connecting rod and the right second connecting rod (5), the first rotating shaft (8) transversely penetrates through the shell (6) and is rotatably connected with the shell (6), two first gears (9) are symmetrically sleeved on the spline shaft (7) in a left-right mode, the shell (6) is vertically and slidably connected with first racks (10) which are positioned in front of the first gears (9) and are meshed with the first gears (9) in a one-to-one corresponding mode, a second rotating shaft (11) positioned in the shell (6) is rotatably connected on the shell (6), the second rotating shaft (11) is transversely arranged, and adhesive tape rolls (12) corresponding to the first racks (10) in one-to-one mode are sleeved on the second rotating shaft (;
easel (1) is back shape, and drawing board (2) outer fringe and easel (1) inner edge phase-match have two wedge locking mechanism on easel (1) up end, and two wedge locking mechanism are located both ends about easel (1) respectively, and drawing board (2) are through the locking of wedge locking mechanism effect on easel (1).
2. The environmental art design drawing auxiliary device according to claim 1, wherein the wedge-shaped locking mechanism comprises a wedge-shaped block (13), a push spring (14), a second rack (15), a vertical rod (16), a second gear (17), a sheave mechanism, a screw rod (18) and a sliding plate (19), the wedge-shaped block (13) is transversely connected with the easel (1) in a limiting and sliding manner, the push spring (14) is positioned between the wedge-shaped block (13) and the outer edge surface of the easel (1), the push spring (14) provides the wedge-shaped block (13) with a sliding thrust towards the center of the easel (1), the second rack (15) is transversely arranged and connected to the wedge-shaped block (13), the upper part of the vertical rod (16) is rectangular, the lower part of the vertical rod (16) is cylindrical, a rectangular groove matched with the vertical rod (16) is formed in the easel (1), so that the vertical rod (16) can rotate and vertically slide relative to the easel (1) when the lower part of the vertical rod (16), when the upper part of the vertical rod (16) is positioned in the rectangular groove, the vertical rod (16) can only vertically slide relative to the easel (1), a spring (20) positioned between the upper end of the vertical rod (16) and the easel (1) is sleeved on the vertical rod (16), the spring (20) provides upward thrust for the vertical rod (16), a second gear (17) is sleeved on the vertical rod (16) and is meshed with a second rack (15), a first guide groove (21) is arranged on the inner edge of the second gear (17), the first guide groove (21) is composed of a first vertical groove, a first spiral groove and a second vertical groove, the first vertical groove is positioned above the first spiral groove, the lower end of the first vertical groove is communicated with the upper end of the first spiral groove, the second vertical groove is positioned below the first spiral groove, the upper end of the second vertical groove is communicated with the lower end of the first spiral groove, the length of the second vertical groove is equal to one half of the pitch of the first spiral groove, a first guide block (22) matched with the first guide groove (21) is arranged on the vertical rod, the geneva wheel mechanism comprises a drive plate (23) and a geneva wheel (24), the drive plate (23) is sleeved on a vertical rod (16) and is positioned below a second gear (17), a second guide groove (25) is arranged on the inner edge of the drive plate (23), the second guide groove (25) is composed of a third vertical groove and a second spiral groove, the third vertical groove is positioned above the second spiral groove, the lower end of the third vertical groove is communicated with the upper end of the second spiral groove, the length of the third vertical groove is equal to the sum of the lengths of the first vertical groove and the second vertical groove, the pitch of the second spiral groove is the same as that of the first spiral groove, the spiral direction is opposite, a sliding groove along the radial direction of the vertical rod (16) is arranged on the vertical rod (16), a second guide block (26) matched with the second guide groove (25) is arranged on the vertical rod (16), the second guide block (26) is positioned in the sliding groove and is connected with the vertical rod (16) in a sliding way, a reset spring is, the reset spring provides the second guide block (26) with a centrifugal sliding force along the radial thrust of the vertical rod (16) to enable the second guide block (26) to slide on the vertical rod (16) in a centrifugal mode, a wedge-shaped surface is arranged on the second guide block (26), the orientation of the wedge-shaped surface is consistent with the spiral direction of the second spiral groove, the grooved wheel (24) is connected to the easel (1) in a rotating mode, the screw rod (18) is connected with the grooved wheel (24) in a coaxial mode, the sliding plate (19) is connected with the easel (1) in a vertical sliding mode, a cam push rod matched with the screw rod (18) is arranged on the sliding plate (19), when the driving plate (23) rotates to drive the grooved wheel (24) to rotate, the grooved wheel (24) drives the screw rod (18) to rotate, and the sliding block (3) moves up and down.
3. The environmental art design drawing auxiliary device of claim 1, wherein the lower end of the first rack (10) is vertically and slidably connected with a pressing block (27), a pressure spring (28) is connected between the upper end surface of the pressing block (27) and the lower end of the first rack (10), and the pressure spring (28) provides downward thrust for the pressing block (27).
4. The environmental artistic design drawing auxiliary device according to claim 1, wherein the second rotating shaft (11) is coaxially and rotatably connected with a sleeve (29), and the sleeve (29) is provided with anti-skid lines.
5. The environmental art design drawing auxiliary device of claim 1, wherein the lower end of the drawing board (2) is provided with a groove matched with the drawing paper.
6. The environmental art design drawing auxiliary device according to claim 1, wherein the rear end face of the housing (6) is provided with a scraper (30), and the lower end face of the scraper (30) is flush with the lower end face of the housing (6).
7. An environmental art design drawing auxiliary device according to claim 2, characterized in that a tension spring (31) is connected between the slide plate (19) and the easel (1), and the tension spring (31) gives the slide plate (19) an upward pulling force.
CN202110303719.2A 2021-03-22 2021-03-22 Environmental art design drawing auxiliary device Active CN112976886B (en)

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CN115381214B (en) * 2022-07-26 2023-09-29 黄淮学院 Workbench for drawing architectural animation sketch

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