CN115923377A

CN115923377A - Drawing tool

Info

Publication number: CN115923377A
Application number: CN202310073531.2A
Authority: CN
Inventors: 项正森
Original assignee: Jinjiang Chuangyou Network Technology Co ltd
Current assignee: Jinjiang Chuangyou Network Technology Co ltd
Priority date: 2023-01-18
Filing date: 2023-01-18
Publication date: 2023-04-07

Abstract

The invention relates to a drawing tool which comprises a body and a rotating plate, wherein the body is provided with an outer frame body, a fixed plate and a movable plate, a naked hole is formed in the outer frame body, the fixed plate is fixed at the lower part of the naked hole, the movable plate is slidably installed on the outer frame body, a translation rod which is located above the rotating plate and translates left and right along the movable plate is arranged in the naked hole, an installation hole is formed in the rotating plate, a cross rod is integrally formed on the rotating plate, a circle drawing structure is arranged on the cross rod, a swing rod is arranged on the cross rod, a first end of the swing rod is rotatably installed on the cross rod, and a second end of the swing rod extends towards the direction of the fixed plate. Compared with the prior art, except realizing the operation of drawing a circle, can also draw shapes such as fan-shaped, polygon, circular arc, and the rectangle or square of different sizes, still can draw parallel lines fast, and the drawing function is various, makes student's instrument just can replace the ruler of different functions, and the use utilization ratio is high, greatly reduced student's use cost.

Description

Drawing tool

Technical Field

The invention relates to a learning tool, in particular to a drawing tool.

Background

Drawing tools that current student used are numerous, have the ruler that is used for drawing straight line and wave line, a set-square for drawing triangle-shaped, a semicircle board for drawing the arc, a compasses for drawing the circular shape, etc. wherein, be used for drawing the circular shape compasses can often make the painting brush skew when using for beginner, and cause and can't draw complete circle, and the needle of compasses is comparatively sharp, it is very inconvenient to carry, also cause certain danger for the student, still must join in marriage a box for general compasses, this has increased use cost in the invisibility again.

Therefore, the circle drawing ruler is available on the market, and structurally comprises an outer ring body and an inner ring body located in the outer ring body, wherein the inner ring body is rotatably installed in the outer ring body, and a plurality of through holes are distributed in the inner ring body.

Accordingly, the present inventors have made extensive studies on the above problems, and as a result, the present invention has been made.

Disclosure of Invention

The invention aims to provide a drawing tool with multiple drawing functions and high utilization rate.

The invention discloses a drawing tool, which comprises a body and a rotating plate arranged in the body, wherein a circular through hole is formed in the body, the rotating plate is rotatably installed in the circular through hole, a circle drawing structure capable of drawing different diameters is arranged on the rotating plate, the body is provided with an outer frame body, a fixed plate and a movable plate, a naked hole is formed in the outer frame body and is of a square structure, the fixed plate is fixed at the lower part of the naked hole of the outer frame body, the circular through hole is formed in the fixed plate, the movable plate is arranged in the naked hole and is slidably installed on the outer frame body in a vertical sliding mode along the naked hole, a translation rod which is located above the rotating plate and translates left and right along the movable plate is arranged in the naked hole, an installation hole which is of a circular structure is formed in the rotating plate in an integrated mode, a transverse rod which is located in the installation hole and extends left and right, the circle drawing structure is arranged on the transverse rod, a swinging rod is arranged on the transverse rod, a first end of the swinging rod is rotatably installed on the transverse rod, and a second end of the swinging rod extends towards the direction of the fixed plate.

The above-mentioned body is a rectangular plate body to rectangular plate body's length direction is upper and lower direction, the rectangular hole that above-mentioned naked pore is for following the upper and lower direction and extend, above-mentioned fixed plate is in the lower part front side of naked pore, above-mentioned movable plate has the last piece and is in last piece below and integrated into one piece's lower plate body, above-mentioned last piece is folded and is pressed on the top surface of above-mentioned fixed plate, above-mentioned lower plate body is in the rear side of above-mentioned fixed plate, above-mentioned lower plate body is equipped with the intercommunicating pore corresponding to above-mentioned mounting hole within range, above-mentioned translation pole is installed on last piece along the mode of left and right translation.

The left inner hole wall and the right inner hole wall of the naked hole are both concavely provided with sliding grooves which are positioned above the fixed plate and extend along the vertical direction, the left side wall and the right side wall of the upper strip block are respectively convexly provided with inserting pieces which are correspondingly inserted into the sliding grooves and slide up and down along the sliding grooves, and the upper strip block and the outer frame body are provided with limiting structures for limiting the upper strip block to move up and down.

The left end or the right end of the front side face of the upper strip block is concavely provided with a front groove which extends along the left-right direction and is communicated with the front groove, the rear side face of the upper strip block is concavely provided with a rear groove which is positioned outside the front groove and is communicated with the front groove, the front groove and the rear groove are arranged in a left-right mode, a slide block capable of horizontally moving is arranged in the front groove, one side of the slide block facing the rear groove is convexly provided with a guide inserting sheet which is inserted into the rear groove, one side of the slide block back to the guide inserting sheet is convexly provided with a limiting inserting sheet which can extend out of the groove into the slide groove, the front side face of the limiting inserting sheet is convexly provided with a tooth structure, the front inner groove wall of the slide groove corresponding to the limiting inserting sheet is convexly provided with an inner tooth structure which is meshed with the tooth structure, the inner tooth structure extends to the upper end of the naked hollow hole, the slide block, the inner tooth structure and the tooth structure form the limiting structure, the inner tooth structure, the inner groove bottom of the front groove is convexly provided with convex particles of which the outer surface is a cambered surface, and the rear side face of the slide block is provided with a concave groove which is matched with the convex particles.

The communicating hole is a circular hole, a plurality of convex teeth which are circumferentially distributed at intervals along the circumferential direction of the communicating hole are convexly arranged on the rear side of the inner hole wall of the communicating hole, each convex tooth is provided with a tooth ring which is meshed with the gear, a closed-loop retaining ring is convexly arranged on the front side of the inner hole wall of the communicating hole, and the lower plate body is provided with modeling hole structures which draw different modeling outside the range of the communicating hole.

The translation rod is provided with a lower block and an upper rod body, the upper rod body is erected at the rear side of the top surface of the lower block, the bottom surface of the lower block is upwards concavely provided with a through hole which penetrates in the left-right direction, the lower block is stacked on the upper block, the top surface of the upper block is upwards convexly provided with an extending piece which extends in the left-right direction and extends into the through hole, the front side surface of the extending piece is convexly provided with a plurality of front teeth which are fully distributed on the front side surface of the extending piece, the top surface of the lower block is positioned at the front side of the upper rod body and is stacked with an upper slide block, the bottom surface of the upper slide block is convexly provided with a meshing piece which extends into the through hole and is meshed with the front teeth, and the rear side surface of the upper slide block is convexly provided with a positioning pin, the upper rod body is provided with a sliding hole structure for the positioning pin to extend into and slide up and down and position, the positioning pin is provided with a front round rod extending along the front-back direction and a limiting head positioned at the rear end of the front round rod, the limiting head is a truncated cone head gradually reduced from front to back, the maximum outer diameter of the limiting head is larger than the diameter of the front round rod, the sliding hole structure is provided with a plurality of smooth holes which are vertically arranged and communicated, the outer diameter of each smooth hole is matched with the outer diameter of the front round rod, a sliding straight hole which is used for communicating the upper smooth hole with the lower smooth hole and used for the front round rod to slide tightly is arranged between the upper smooth hole and the lower smooth hole, and the sliding hole and the sliding straight hole form the sliding hole structure.

The outer frame body is positioned above the naked hole and is provided with a stretching through hole extending along the left-right direction, the upper end part of the upper rod body stretches out of the naked hole through the stretching through hole, the left side or the right side of the front side surface of the upper rod body is backwards and concavely provided with an accommodating through groove extending along the up-down direction and communicated with the outside of the left side surface or the right side surface of the upper rod body, a rotating rod is arranged in the accommodating through groove, the end part of the lower end of the rotating rod is movably hinged to the upper rod body, and the rotating rod is provided with a penetrating structure for a pen to penetrate through and can be positioned at different positions of the rotating rod in the length direction;

the pencil comprises a pencil and is characterized in that the rotating rod is provided with a strip-shaped hole extending along the length direction of the rotating rod, a left inner hole wall and a right inner hole wall of the strip-shaped hole are both convexly provided with a plurality of convex teeth which are arranged at intervals along the vertical direction, each convex tooth on the left side and each convex tooth on the right side are arranged in a one-to-one correspondence manner, an insertion space is formed between two adjacent convex teeth, the width between the two insertion spaces which are right opposite to each other from the left side to the right side is identical to the outer diameter of a pencil lead of the pencil, and the strip-shaped hole and each convex tooth form the penetrating structure;

or the rotating rod is provided with a plurality of core holes which are communicated from front to back and are used for the pen cores of the pens to pass through, the core holes are arranged at intervals along the vertical direction, and the core holes form the passing structure.

The rotary plate is a circular ring, the cross rod is positioned in the circular ring, a closed-loop convex ring is convexly arranged on the rear side of the inner hole wall of the circular through hole, the circular ring is stacked on the front side surface of the closed-loop convex ring, the rear part of the cross rod extends out of the rear side of the circular ring, the outer sides of the left end and the right end of the rear part of the cross rod are respectively convexly provided with a clamping block stacked on the rear side surface of the closed-loop convex ring, the rear side surface of the circular ring is concavely provided with a plurality of concaves which are circumferentially distributed at intervals in a surrounding manner, part of the balls extending out of the concaves are embedded in the concaves, the front side surface of the closed-loop convex ring is concavely provided with closed-loop concaves for embedding the parts of the rolling rings outside the concaves into the inner hole wall, and the inner surfaces of the circular ring and the circular through hole are provided with a rotation limiting structure capable of limiting the rotation of the circular ring.

The inner hole wall of the circular through hole is positioned in the front side of the closed-loop boss and is concavely provided with a plurality of tooth sockets which are circumferentially and closely arranged, the front side face of the left end or the right end of the cross rod is concavely provided with a through groove which is communicated to the outer side of the side wall of the cross rod, a side sliding block which slides left and right along the cross rod is installed in the through groove, the side wall of the side sliding block is provided with a rack which can extend out of the through groove and is meshed with the tooth sockets, the rack and the tooth sockets form the limit structure, the bottom of the through groove is convexly provided with convex arc grains, the outer surface of the convex arc grains is an arc surface, and the rear side face of the side sliding block is concavely provided with a concave arc groove for the convex arc grains to be clamped into.

The concave bar groove that extends along left right direction that is equipped with on the above-mentioned horizontal pole, set up the straight hole that extends along left right direction on the tank bottom of above-mentioned bar groove, the central region department that above-mentioned horizontal pole is located straight hole is protruding to be equipped with articulated seat, the first end tip activity of above-mentioned pendulum rod articulates on articulated seat, the last inner hole wall in above-mentioned straight hole is located outside the left and right sides of articulated seat and makes progress the concave groove of being equipped with a plurality of respectively along the close row of upper tooth groove of being in the same place of left right direction, the corresponding relative lower tooth's socket from top to bottom that is equipped with each upper tooth's socket one by one down on the lower inner hole wall in above-mentioned straight hole, upper tooth's socket, lower tooth's socket and straight hole constitute the circle of drawing structure.

An angle scale pattern layer for measuring 0-360 degrees is printed on the front side face or the rear side face of the circular ring, the second end of the swing rod is stacked on the front side face of the circular ring, a perspective hole for exposing the angle scale pattern layer is formed in the position, corresponding to the circular ring, of the swing rod, and a perforation structure for enabling the pen core to stretch into the swing rod to drive the swing rod to swing and enable the pen core to move horizontally along the length direction of the swing rod is arranged on the swing rod.

The last top surface of above-mentioned rectangular plate body has the convex arc portion of epirelief, there is a side at least in the lower side of above-mentioned rectangular plate body, right side limit and the left side to be the wave limit, the leading flank of above-mentioned convex arc portion is equipped with the arc recess identical with convex arc portion to the indent backward, set up on the back cell wall of above-mentioned arc recess and to draw out different figurative through-hole structure, set up on the lower cell wall of above-mentioned arc recess and along the extending of left right direction and with the communicating opening of naked pore, the upper end of above-mentioned translation pole stretches out in opening to the arc recess.

When the drawing tool is applied, the rotating plate can be driven to rotate only through the circle drawing structure of the cross rod to realize the circle drawing operation, then the swing rod can draw the shapes of a fan, a polygon, a circular arc and the like, rectangles or squares with different sizes can be drawn by utilizing the translation of the translation rod and the moving plate, parallel lines can be drawn rapidly, the drawing function is various, so that a student can replace a ruler with different functions by one tool, the use utilization rate is high, the use cost of the student is greatly reduced, in addition, the circle drawing structure is arranged on the cross rod, and the rotating plate is basically in a naked structure, so that the whole material consumption is less, and the production cost is greatly reduced.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is another perspective view of the present invention;

FIG. 3 is a partial schematic view of the present invention;

FIG. 4 is a perspective view of the rotating plate;

fig. 5 is a perspective view of the moving plate.

Detailed Description

The drawing tool comprises a body 1 and a rotating plate 2 positioned in the body, wherein the body and the rotating plate are transparent plastic parts, a circular through hole is formed in the body 1, the rotating plate 2 is rotatably installed in the circular through hole, and a circle drawing structure capable of drawing different diameters is arranged on the rotating plate 2.

It is excellent that the body 1 has outer frame body 11, fixed plate 12 and movable plate, and outer frame body 11 is the rectangle framework that extends along upper and lower direction, has seted up naked pore 100 on outer frame body 11, and naked pore 100 is square structure, offers the slot that extends along upper and lower direction on outer frame body 11 promptly, and this slot is the naked pore, fixed plate 12 fixes in outer frame body 11's naked pore lower part department, and fixed plate 12 fixes the lower part front side at the slot promptly, shutoff slot lower part front side, has seted up on fixed plate 12 circular through-hole, the central zone department of fixed plate 12 has seted up circular through-hole promptly.

The rotary plate 2 is provided with a mounting hole with a circular structure, the rotary plate 2 is integrally formed with a cross rod 21 which is arranged in the mounting hole and extends along the left-right direction, the cross rod 21 is provided with the circle drawing structure, the cross rod 21 is provided with a swing rod 3, the first end of the swing rod 3 is rotatably arranged on the cross rod, and the second end of the swing rod 3 extends towards the direction of the fixing plate.

Preferably, the rotating plate 2 is a circular ring, the cross rod 21 is located in the circular ring, a closed-loop convex ring 121 is convexly arranged on the rear side of the inner hole wall of the circular through hole, that is, the fixing plate 12 is located on the rear side of the inner hole wall of the circular through hole and is provided with an annular ring, the circular ring is stacked on the front side surface of the closed-loop convex ring 121, the rear portion of the cross rod 21 extends out of the rear side of the circular ring, the clamping blocks 211 stacked on the rear side surface of the closed-loop convex ring 121 are respectively and convexly arranged at the left end and the right end of the rear portion of the cross rod 21, the arrangement of the clamping blocks 211 is equivalent to that the grooves for clamping the closed-loop convex ring into the grooves are formed at the two ends of the rotating plate 2 located on the cross rod 21, and the rotating plate 2 rotates around the closed-loop convex ring by utilizing the matching of the clamping blocks 211 and the closed-loop convex ring.

The transverse rod 21 is concavely provided with a strip-shaped groove 212 extending along the left-right direction, the bottom of an inner groove (namely the rear inner groove wall) of the strip-shaped groove 212 is provided with a straight strip hole 213 extending along the left-right direction, the transverse rod 21 is convexly provided with a hinged seat 214 at the central area of the straight strip hole 213, the first end part of the swing rod 3 is movably hinged on the hinged seat 214, the front side surface of the hinged seat 214 and the front side surface of the transverse rod 21 are on the same plane, the hinged seat 214 consists of two half bodies which are oppositely spaced up and down, the opposite surfaces of the two half bodies are concavely provided with semi-arc holes which extend along the front-back direction and are communicated with the straight strip hole, and a closed annular clamping hole is enclosed by the space between the two semi-arc holes and the two half bodies, the swing rod 3 is a bar, the first end part of the swing rod 3 is stacked on the front side surface of the hinge base 214, the rear side surface of the first end part of the swing rod 3 is convexly provided with a convex cylinder which is inserted into the clamping hole in an embedding manner, the rear end part of the convex cylinder is provided with a round table limiting head, the outer diameter of the round table limiting head is larger than that of the convex cylinder and gradually shrinks from front to back, the straight strip hole 213 is positioned at the round table limiting head and is provided with an insertion hole for the round table limiting head to be embedded, the two half bodies can slightly deform back to enable the round table limiting head to penetrate through the two half bodies to the insertion hole, and the two half bodies clamp the convex cylinder to enable the hinge base 214 to be rotatably installed; the upper inner hole wall of the straight-bar hole 213 is provided with a plurality of upper tooth sockets (not shown) which are closely arranged together along the left and right direction and are upwards concave outside the left and right sides of the hinge seat 214, the lower inner hole wall of the straight-bar hole is correspondingly provided with lower tooth sockets (not shown) which are downwards concave and are opposite to the upper tooth sockets one by one, and the upper tooth sockets, the lower tooth sockets and the straight-bar hole form the circle-drawing structure. When the pen is used, a straight line can be directly drawn when the pen core extends into the straight strip hole, the pen core can also reliably drive the rotating plate to rotate in the upper tooth groove or the lower tooth groove, so that the circle drawing effect is achieved, the upper tooth groove and the lower tooth groove at different positions are utilized to enable the rotating plate to draw circles with different outer diameters, the arc shape or the semi-circle shape is achieved, and moreover, the pen cores with different diameters can extend into the pen core through the relative arrangement of the upper tooth groove and the lower tooth groove, the application range is wider, finally, the rotation of the swing rod can draw fan-shaped and polygonal shapes with different sizes in the circular ring, in addition, the rotating plate adopts the ring body and the cross rod to enable the using amount of the whole rotating plate to be smaller, and the use cost is greatly reduced.

In the present invention, preferably, an angle scale pattern layer for measuring 0 to 360 degrees is printed on the front side surface or the rear side surface of the circular ring, the angle scale pattern layer is a scale mark of an existing protractor, the second end of the swing rod 3 is stacked on the front side surface of the circular ring, and a perspective hole 31 for exposing the angle scale pattern layer is formed on the front side surface or the rear side surface of the swing rod 3 corresponding to the circular ring, preferably, the fixing plate 12 is provided with a closed-loop boss 122 protruding from the rotating plate 2, an angle numerical pattern layer for displaying angle degrees is printed on the top surface of the closed-loop boss 122, the number on the angle numerical pattern layer is displayed in a complete ten way, such as 10 degrees, 20 degrees and 30 degrees sequentially reaching 360 degrees, the end portion of the second end of the swing rod 3 extends to the closed-loop boss 122, the perspective hole 31 is a strip-shaped hole extending from the circular hole to the closed-loop boss 122, and the angle can be measured by using the cooperation of the angle scale, the angle numerical value and the perspective hole, so that the utilization rate is higher and no separate angle is needed; in addition, be equipped with on the pendulum rod 3 and supply the refill to stretch into the perforation structure that drives the pendulum rod swing and make the refill including follow pendulum rod length direction translation, it is specific, set up the rectangular shape hole that extends along pendulum rod 3 length direction on the pendulum rod 3, the V-arrangement groove that sets up relatively is concave respectively on two relative pore walls in the rectangular shape hole length direction, like this, the refill can stretch into the rectangular shape downthehole drive pendulum rod 3 swing, change in arc, sectorial drawing, and in addition, can accurately draw the position of each angle of polygon by the cooperation of this rectangular shape hole and perspective hole, directly can draw the polygon with each line of point at last.

In the present invention, it is preferable that the rear side of the circular ring is concavely provided with a plurality of recesses (not shown in the drawings) circumferentially distributed at intervals, part of the balls (not shown in the drawings) extending out of the recesses are embedded in the recesses, and the front side of the closed-loop convex ring is concavely provided with closed-loop recesses (not shown in the drawings) for embedding the parts of the rolling rings outside the recesses, so that the rolling plates 2 can smoothly rotate by the balls, and the operation of drawing circles is easy.

In the invention, preferably, the inner hole walls of the circular ring and the circular through hole are provided with a rotation limiting structure capable of limiting the rotation of the circular ring; specifically, the inner hole wall of the circular through hole is positioned at the front side of the closed-loop boss 121 and is concavely provided with a plurality of tooth sockets which are closely arranged in the circumferential direction, the front side surface of the right end part of the cross rod 21 is concavely provided with a through groove which is communicated to the right outside of the right side of the cross rod, the through groove can also be arranged at the left end part, taking the right end part as an example, the through groove is communicated with the strip-shaped groove 212, a side sliding block 4 which slides to the left and right along the cross rod 21 is arranged in the through groove, a rack (not shown in the figure) which can extend out of the through groove and is meshed with the tooth sockets is arranged on the right side wall of the side sliding block 4, namely, a lug is arranged to the right side of the right side wall of the side sliding block 4, a plurality of teeth which are closely arranged together in the up and down direction and extend into the tooth sockets are arranged on the lug, and form the limit structure, when the swing rod is used, the side sliding block 4 slides to the right side, the rack extends out of the through groove, the tooth is matched with the tooth and the tooth socket, the side sliding block 4 can not move, the swing rod can be fixed to make the swing rod 2 in a fixed state by the fixed plate 2, so that the swing rod 3 can be easily fixed when used, and the fixed plate can not be carried about, and the fixed plate can be easily fixed when the fixed plate is not used; in addition, the bottom of the through groove is convexly provided with a convex arc particle 215 with an arc surface on the outer surface, the rear side surface of the side sliding block is concavely provided with a concave arc groove (not shown in the figure) for clamping the convex arc particle, the convex arc particle is clamped into the concave arc groove when the side sliding block is not used by utilizing the matching of the convex arc particle and the concave arc groove, the side sliding block is not easy to translate along with the side sliding block, in addition, a guide sliding groove which extends along the left-right direction and leads to the right outside the right side of the circular ring is concavely arranged on the upper inner groove wall and the lower inner groove wall of the groove to be communicated, sliding blocks which extend into the guide sliding grooves are correspondingly convexly arranged on the upper side wall and the lower side wall of the side sliding block, and the guide sliding of the side sliding block is realized by utilizing the matching of the guide sliding grooves and the sliding blocks.

The movable plate is located naked pore 100 and along naked pore gliding mode slidable mounting on outer frame 11 from top to bottom, be equipped with in the naked pore and be located the rotor plate top and along the translation pole 5 of movable plate left and right sides translation, translation pole 5 erects the setting along the upper and lower direction.

Preferably, the moving plate has an upper strip 13 and a lower plate 14 integrally formed below the upper strip, the upper strip 13 is overlapped on the top surface of the fixed plate 12 and slidably mounted on the outer frame 11, specifically, sliding grooves (not shown in the figure) extending in the up-down direction above the fixed plate 12 are concavely formed on the left inner hole wall and the right inner hole wall of the naked hollow hole 100, inserting pieces 131 correspondingly inserted into the sliding grooves and sliding up and down along the sliding grooves are convexly formed on the left and right side walls of the upper strip 13, the moving plate can move up and down by using the inserting pieces and the sliding grooves, and the upper strip 13 and the outer frame are provided with limiting structures for limiting the up-down movement of the upper strip, specifically, the right end part of the front side surface of the upper strip 13 is concavely provided with a front groove 132 extending in the left-right direction and leading to the outside of the end part of the upper strip, the front groove 132 can also be arranged at the left side, in this embodiment, taking the right side as an example, a rear groove outside the front groove and communicated with the front groove is concavely arranged on the rear side of the winding block 13, the front groove and the rear groove are arranged in a left-right arrangement, i.e. the rear groove extends along the left-right direction, the right side of the rear groove is matched with the left side of the front groove in a front-back manner, a slide block 6 capable of translating left and right is arranged in the front groove, a guide insertion sheet (not shown in the figure) inserted into the rear groove is convexly arranged on one side of the slide block 6 facing the rear groove (i.e. the left side of the slide block 6), a limit insertion sheet (not shown in the figure) capable of extending out of the groove into the slide groove is convexly arranged on one side of the slide block 6 facing away from the guide insertion sheet (i.e. the right side of the slide block), a tooth structure is convexly arranged on the front side of the limit insertion sheet, i.e. a plurality of front teeth which are closely arranged along the up-down direction are convexly arranged on the front side of the limit insertion sheet, each front tooth constitutes tooth structure, the preceding inner groove wall of the corresponding smooth groove of spacing inserted sheet is protruding to be equipped with the inner tooth structure that meshes mutually with tooth structure, inner tooth structure extends to the upper end department of naked vacancy, and the preceding inner groove wall of the smooth groove that is in the right side promptly is protruding to be equipped with the back tooth 111 that is identical with front tooth backward, and the preceding inner groove wall of smooth groove is protruding to be equipped with a plurality of along the back tooth 111 of closely arranging from top to bottom, and each back tooth 111 constitutes the inner tooth structure, slider 6, inner tooth structure and tooth structure constitute limited structure, when using, slider 6 slides to the right side, and the spacing inserted sheet of slider 6 stretches into in the spout on right side, and front tooth meshes with back tooth mutually, and slider 6 can't slide from top to bottom, and the piece of going up can't shift up like this, when using, can fix after adjusting the position of piece of going up to the drawing of figure. Preferably, the bottom of the inner groove of the front groove 132 is convexly provided with convex arc particles with cambered surfaces, the rear side of the sliding block 6 is concavely provided with concave arc grooves matched with the convex arc particles, and the sliding block 6 is not easy to slide when not in use due to the matching of the convex arc particles and the concave arc grooves.

The lower plate body 14 is located at the rear side of the bottom surface of the upper strip 13, the lower plate body 14 is located at the rear side of the fixing plate 12, communication holes 141 are formed in the range of the lower plate body 14 corresponding to the installation holes, the straight strip holes 213 are located in the range of the communication holes 141, the communication holes 141 are circular holes, a plurality of convex teeth (not shown in the figure) distributed at intervals in the circumferential direction of the communication holes are convexly arranged on the rear side of the inner hole wall of each communication hole 141 in a protruding mode, each convex tooth is provided with a tooth ring meshed with a gear, a closed annular retaining ring 142 is convexly arranged on the front side of the inner hole wall of each communication hole 141 in a protruding mode, and a molding hole structure drawing different shapes is formed outside the range of the communication holes of the lower plate body 14 and consists of a plurality of through holes with different shapes, and the through holes can be triangular holes, arc holes, elliptical holes, quadrilateral holes or love holes and the like. During the application, the shifting up of going up strip piece 13 can be with lower plate body 14 together to the fixed plate top, expose in the position department that naked pore 100 is located the fixed plate top, the gear that will draw the kaleidoscope usefulness this moment is put in the intercommunication hole, the gear can cooperate round tooth circle winding circle by tooth circle, thereby realize drawing the kaleidoscope function, further improve graphics primitive's utilization ratio, the function is various, and lower plate body is hidden in the fixed plate rear when not using, avoid lower plate body thinner and cause the damage, can not take up space yet and influence square drawing, the overall layout is compact, and is reasonable.

The translation rod 5 is installed on the upper bar block 13 in a left-right translation manner, preferably, the translation rod 5 has a lower block 51 and an upper rod 52, the upper rod 52 is erected at the rear side of the top surface of the lower body 51, a through hole (not shown in the figure) penetrating in the left-right direction is concavely formed in the bottom surface of the lower block 51, the lower block 51 is stacked on the upper bar block 13, an extending piece 133 extending in the left-right direction and extending into the through hole is convexly formed in the top surface of the upper bar block 13 upwards, a plurality of front teeth (not shown in the figure) fully distributed on the front side surface of the extending piece are convexly formed on the front side surface of the extending piece 133, an upper slide block 53 is stacked on the top surface of the lower block 51 at the front side of the upper rod 52, an engaging piece (not shown in the figure) protruding into the through hole and engaged with the front teeth is convexly formed on the bottom surface of the upper slide block 53, that is the top surface of the lower block 51 is provided with a through hole penetrating up-down and communicated with the through hole, the engaging piece is a square piece body matched with the through hole, the square piece body passes through the through hole to the through hole and is positioned at the front side of the extending piece 133, the rear side surface of the square piece body is convexly provided with rear teeth engaged with the front teeth, the rear side surface of the upper sliding block 53 is convexly provided with a positioning pin (not shown), the upper rod body 52 is provided with a sliding hole structure 521 for the positioning pin to extend into and slide up and down and position, the positioning pin is provided with a front round rod extending along the front-rear direction and a limiting head positioned at the rear end of the front round rod, the limiting head is a circular table head gradually reduced from front to back, the maximum outer diameter of the limiting head is larger than the diameter of the front round rod, the sliding hole structure is provided with a plurality of round and smooth holes which are arranged up and down and communicated, the outer diameter of the round and is matched with the outer diameter of the front round rod, a sliding straight hole which is used for communicating the upper and lower round sliding holes and is tightly matched with the front round rod is arranged between the upper and lower round and the lower round and smooth holes, the sliding hole structure is formed by the round sliding hole and the sliding straight hole, when the sliding hole structure is used, the upper sliding block 53 slides downwards, the meshing piece moves downwards to extend into the through hole to be meshed with the front teeth, the lower square block 51 cannot move left and right, in this way, the lower square block and the moving rod can be enclosed into rectangles or squares with different sizes by utilizing the up-and-down movement of the lower square block and the moving rod, and the lower square block and the moving rod are positioned after the positions of the lower square block and the moving rod are adjusted, so that the drawing is simple and stable.

In the present invention, it is preferable that the outer frame 11 is located above the bare hole 100 and is provided with a protrusion port 200 extending in a left-right direction, the upper end of the upper rod 52 extends out of the bare hole 100 through the protrusion port, the right side of the front side of the upper rod 52 is recessed backward and is provided with an accommodation through groove (not shown in the drawing) extending in a vertical direction and penetrating out of the right side of the upper rod, the accommodation through groove can also be provided on the left side, in this embodiment, taking the right side as an example, the accommodation through groove is internally provided with a rotation rod 7, the lower end of the rotation rod 7 is movably hinged and mounted on the upper rod 52, that is, a hinge hole is provided on the rear inner groove wall of the accommodation through groove, the rotation rod 7 is a flat rod, the rear side of the rotation rod 7 is provided with a hinge shaft (not shown in the drawing) protruding through the hinge hole backward, the rear end of the hinge shaft is provided with a circular truncated cone protruding head tapering from front to back, the maximum outer diameter of the circular cone protruding head is slightly larger than the inner diameter of the hinge hole, and the rotation rod 7 is provided with a penetrating structure for the rotation rod to pass pen and to position the pen at different positions in the length direction; specifically, a bar-shaped hole 71 extending along the length direction of the rotating rod 7 is formed in the rotating rod 7, a plurality of convex teeth (not shown in the figure) arranged at intervals in the up-down direction are convexly arranged on the left inner hole wall and the right inner hole wall of the bar-shaped hole 71, each convex tooth on the left side and each convex tooth on the right side are arranged in a one-to-one correspondence manner, an insertion space (not shown in the figure) is formed between two vertically adjacent convex teeth, the width between the two right and left opposite insertion spaces is identical to the outer diameter of a pen refill, and the bar-shaped hole and each convex tooth form the penetrating structure; during the application, with dwang 7 outside the body of rod 52 is gone out to the right side, can directly draw triangle-shaped, and utilize the different turned angle of dwang 7 to draw different triangle-shaped, again, dwang 7 rotates the back right side and inserts the refill between two dogtooths in bar hole 71, the refill is fixed, the refill drives the dwang and rotates and can draw the pitch arc, it is fan-shaped, and the concentric arc of different positions can be drawn in setting up of a plurality of dogtooths, make the figure that whole drawing ruler was drawn more diversified, the rate of utilization has further been improved, a chi is multi-purpose.

In the invention, a plurality of core holes which are communicated from front to back and are used for the pen cores to pass through can be arranged on the rotating rod 7, the core holes are circular holes, the core holes are arranged at intervals along the vertical direction, the core holes form the passing structure, and the pen cores can be inserted into different positions of the rotating rod by utilizing the core holes.

In the present invention, it is further preferable that the upper top surface of the rectangular plate has an upwardly convex curved portion 15, at least one of the lower side, the right side and the left side of the rectangular plate is a wavy edge, a wavy line can be drawn by using the wavy edge, an arc groove (not shown in the figure) matching with the convex curved portion is recessed backward from the front side of the convex curved portion 15, a through hole structure capable of drawing different shapes is formed in the rear wall of the arc groove, an opening extending in the left-right direction and communicating with the bare hole is formed in the lower wall of the arc groove, the upper end of the translation rod extends out of the opening to the arc groove, that is, the upper end of the upper rod 52 and the upper end of the rotation rod 7 both pass through the opening to the arc groove, so that when not in use, the upper rod and the rotation rod can be limited, and the rotation rod 7 is not easy to rotate at will.

The through hole structure of the arc-shaped groove can comprise an oval hole (not shown in the figure), a rectangular hole (not shown in the figure), a square hole (not shown in the figure), a parallelogram hole (not shown in the figure), a polygonal hole (not shown in the figure) and a triangle (not shown in the figure), and can also comprise holes in other shapes, as long as a plurality of holes are additionally arranged in the effective space range of the convex arc part, and the polygonal hole can be a pentagonal hole, a hexagonal hole and the like. Therefore, when the students draw the three-dimensional figures, the students draw one of the holes on the convex arc part firstly by using the oval hole, the rectangular hole, the square hole, the parallelogram hole and the polygonal hole on the convex arc part 15, then press the upper strip block to move the whole outer frame body downwards, the sliding of the outer frame body cannot deviate due to the sliding fit of the upper strip block and the outer frame body, then draw on the hole to obtain two figures at intervals, and finally draw vertical lines on the outer sides of the two figures to obtain the drawing of the three-dimensional figures.

The drawing tool has the following beneficial effects:

1. straight lines can be directly drawn by utilizing the strip-shaped holes on the cross rods, circles with different diameters can also be drawn, the drawing mode is simple, the structural usage amount of the whole rotating plate is small, the overall processing cost is low, and the weight is light;

2. the swing rod can be used for drawing the shapes of a sector, a polygon, an arc and the like, and the angle can be measured by using the swing rod and the perspective hole;

3. the translation of the translation rod and the translation of the upper strip block can draw rectangles or squares with different sizes, and can also draw parallel lines quickly, so that the drawing function is various, and the ruler with different functions can be replaced by one tool for students, the use utilization rate is high, and the use cost of the students is greatly reduced;

4. the arc line and the sector can be drawn by utilizing the rotation of the swing rod, the drawing mode is diversified, the use is flexible, and the size of the polygon is not limited;

5. the utilization plate body can be painted out the kaleidoscope effect down, further improves the drawing function, has again to utilize the front and back setting of closed loop shape retaining ring and tooth circle, and the gear is difficult for deviating from the tooth circle when the kaleidoscope is drawn, guarantees the stability of drawing.

The product form of the present invention is not limited to the embodiments and examples shown in the present application, and any suitable changes or modifications of the similar ideas should be made without departing from the patent scope of the present invention.

Claims

1. The utility model provides a drawing tool, includes the body and is in this internal rotor plate, has seted up circular through-hole on the body, and the rotor plate rotates to be installed in circular through-hole, has the circle of drawing structure that can draw different diameters on the rotor plate, its characterized in that: the body is provided with an outer frame body, a fixed plate and a movable plate, a naked hole is formed in the outer frame body and is of a square structure, the fixed plate is fixed to the lower portion of the naked hole of the outer frame body, the circular through hole is formed in the fixed plate, the movable plate is located in the naked hole and is slidably mounted on the outer frame body in a mode of sliding up and down along the naked hole, a translation rod which is located above the rotating plate and translates left and right along the movable plate is arranged in the naked hole and is vertically arranged along the vertical direction, a mounting hole which is of a circular structure is formed in the rotating plate, a transverse rod which is located in the mounting hole and extends in the left and right directions is integrally formed in the rotating plate, the transverse rod is provided with the circle drawing structure, a swing rod is arranged on the transverse rod, the first end of the swing rod is rotatably mounted on the transverse rod, and the second end of the swing rod extends towards the direction of the fixed plate.

2. A drawing implement according to claim 1, wherein: the above-mentioned body is a rectangular plate body to rectangular plate body's length direction is upper and lower direction, the rectangular hole that above-mentioned naked pore is for following the upper and lower direction and extend, above-mentioned fixed plate is in the lower part front side of naked pore, above-mentioned movable plate has the last piece and is in last piece below and integrated into one piece's lower plate body, above-mentioned last piece is folded and is pressed on the top surface of above-mentioned fixed plate, above-mentioned lower plate body is in the rear side of above-mentioned fixed plate, above-mentioned lower plate body is equipped with the intercommunicating pore corresponding to above-mentioned mounting hole within range, above-mentioned translation pole is installed on last piece along the mode of left and right translation.

3. A drawing implement according to claim 2, wherein: the left inner hole wall and the right inner hole wall of the naked empty hole are both concavely provided with sliding grooves which are positioned above the fixed plate and extend along the vertical direction, the left side wall and the right side wall of the upper strip block are respectively convexly provided with inserting pieces which are correspondingly inserted into the sliding grooves and slide up and down along the sliding grooves, and limiting structures which limit the upper strip block to move up and down are arranged on the upper strip block and the outer frame body.

4. A drawing implement according to claim 3, wherein: the left end or the right end of the front side face of the upper strip block is concavely provided with a front groove which extends along the left-right direction and is communicated with the end part of the upper strip block, the rear side face of the upper strip block is concavely provided with a rear groove which is positioned outside the front groove and is communicated with the front groove, the front groove and the rear groove are arranged left and right, a sliding block capable of horizontally moving is arranged in the front groove, one side of the sliding block facing the rear groove is convexly provided with a guide insertion sheet inserted into the rear groove, one side of the sliding block facing away from the guide insertion sheet is convexly provided with a limit insertion sheet capable of extending out of the groove into the sliding groove, the front side face of the limit insertion sheet is convexly provided with a tooth structure, the front inner groove wall of the sliding groove corresponding to the limit insertion sheet is convexly provided with an inner tooth structure meshed with the tooth structure, the inner tooth structure extends to the upper end of the naked hole, the sliding block, the inner tooth structure and the tooth structure form the limit structure, the outer surface of the inner groove of the front groove is convexly provided with convex particles, and the concave arc particles matched with the rear side face of the sliding block.

5. A drawing implement according to claim 2, wherein: the communicating hole is a circular hole, a plurality of convex teeth which are circumferentially distributed at intervals along the circumferential direction of the communicating hole are convexly arranged on the rear side of the inner hole wall of the communicating hole, each convex tooth is provided with a tooth ring which is meshed with the gear, a closed-loop retaining ring is convexly arranged on the front side of the inner hole wall of the communicating hole, and the lower plate body is provided with modeling hole structures which draw different modeling outside the range of the communicating hole.

6. A drawing implement according to claim 2, wherein: the translation rod is provided with a lower block and an upper rod body, the upper rod body is erected at the rear side of the top surface of the lower block, the bottom surface of the lower block is upwards concavely provided with a through hole which penetrates in the left-right direction, the lower block is stacked on the upper block, the top surface of the upper block is upwards convexly provided with an extending piece which extends in the left-right direction and extends into the through hole, the front side surface of the extending piece is convexly provided with a plurality of front teeth which are fully distributed on the front side surface of the extending piece, the top surface of the lower block is positioned at the front side of the upper rod body and is stacked with an upper slide block, the bottom surface of the upper slide block is convexly provided with an engaging piece which extends into the through hole and is engaged with the front teeth, and the rear side surface of the upper slide block is convexly provided with a positioning pin, the upper rod body is provided with a sliding hole structure for the positioning pin to extend into and slide up and down and position, the positioning pin is provided with a front round rod extending along the front-back direction and a limiting head positioned at the rear end of the front round rod, the limiting head is a cone head gradually reduced from front to back, the maximum outer diameter of the limiting head is larger than the diameter of the front round rod, the sliding hole structure is provided with a plurality of smooth holes which are arranged up and down and communicated, the outer diameter of each smooth hole is matched with the outer diameter of the front round rod, a sliding straight hole which is used for communicating the upper and lower smooth holes and is used for the front round rod to slide tightly is arranged between the upper and lower smooth holes, and the circular sliding holes and the sliding straight holes form the sliding hole structure.

7. The drawing tool as in claim 6, wherein: the outer frame body is positioned above the naked hole and is provided with a stretching through hole extending along the left-right direction, the upper end part of the upper rod body stretches out of the naked hole through the stretching through hole, the left side or the right side of the front side surface of the upper rod body is backwards and concavely provided with an accommodating through groove extending along the up-down direction and communicated with the outside of the left side surface or the right side surface of the upper rod body, a rotating rod is arranged in the accommodating through groove, the end part of the lower end of the rotating rod is movably hinged to the upper rod body, and the rotating rod is provided with a penetrating structure for a pen to penetrate through and can be positioned at different positions of the rotating rod in the length direction;

the rotating rod is provided with a strip-shaped hole extending along the length direction of the rotating rod, the left inner hole wall and the right inner hole wall of the strip-shaped hole are respectively convexly provided with a plurality of convex teeth which are arranged at intervals along the vertical direction, each convex tooth at the left side and each convex tooth at the right side are arranged in a one-to-one correspondence way, an insertion space is formed between two adjacent convex teeth, the width between the two insertion spaces which are right opposite to each other at the left side is matched with the outer diameter of a pen core of the pen, and the strip-shaped hole and each convex tooth form the penetrating structure;

or the rotating rod is provided with a plurality of core holes which are communicated from front to back and used for the pen cores to pass through, the core holes are arranged at intervals along the vertical direction, and the core holes form the passing structure.

8. A drawing implement according to claim 1, wherein: the rotary plate is a circular ring, the cross rod is positioned in the circular ring, a closed-loop convex ring is convexly arranged on the rear side of the inner hole wall of the circular through hole, the circular ring is stacked on the front side surface of the closed-loop convex ring, the rear part of the cross rod extends out of the rear side of the circular ring, the outer sides of the left end and the right end of the rear part of the cross rod are respectively convexly provided with a clamping block stacked on the rear side surface of the closed-loop convex ring, the rear side surface of the circular ring is concavely provided with a plurality of concaves which are circumferentially distributed at intervals in a surrounding manner, part of the balls extending out of the concaves are embedded in the concaves, the front side surface of the closed-loop convex ring is concavely provided with closed-loop concaves for embedding the parts of the rolling rings outside the concaves into the inner hole wall, and the inner surfaces of the circular ring and the circular through hole are provided with a rotation limiting structure capable of limiting the rotation of the circular ring.

9. A drawing implement according to claim 8, wherein: the inner hole wall of the circular through hole is positioned in the front side of the closed-loop boss and is concavely provided with a plurality of tooth sockets which are circumferentially and closely arranged, the front side face of the left end or the right end of the cross rod is concavely provided with a through groove which is communicated to the outer side of the side wall of the cross rod, a side sliding block which slides left and right along the cross rod is installed in the through groove, the side wall of the side sliding block is provided with a rack which can extend out of the through groove and is meshed with the tooth sockets, the rack and the tooth sockets form the limit structure, the bottom of the through groove is convexly provided with convex arc grains, the outer surface of the convex arc grains is an arc surface, and the rear side face of the side sliding block is concavely provided with a concave arc groove for the convex arc grains to be clamped into.

10. A drawing implement according to claim 8, wherein: the concave bar groove that extends along left right direction that is equipped with on the above-mentioned horizontal pole, set up the straight hole that extends along left right direction on the tank bottom of above-mentioned bar groove, the central region department that above-mentioned horizontal pole is located straight hole is protruding to be equipped with articulated seat, the first end tip activity of above-mentioned pendulum rod articulates on articulated seat, the last inner hole wall in above-mentioned straight hole is located outside the left and right sides of articulated seat and makes progress the concave groove of being equipped with a plurality of respectively along the close row of upper tooth groove of being in the same place of left right direction, the corresponding relative lower tooth's socket from top to bottom that is equipped with each upper tooth's socket one by one down on the lower inner hole wall in above-mentioned straight hole, upper tooth's socket, lower tooth's socket and straight hole constitute the circle of drawing structure.

11. A drawing implement according to claim 8, wherein: an angle scale pattern layer for measuring 0-360 degrees is printed on the front side face or the rear side face of the circular ring, the second end of the swing rod is stacked on the front side face of the circular ring, a perspective hole for exposing the angle scale pattern layer is formed in the position, corresponding to the circular ring, of the swing rod, and a perforation structure for enabling the pen core to extend into the swing rod to drive the swing rod to swing and enabling the pen core to move horizontally along the length direction of the swing rod is arranged on the swing rod.

12. A drawing implement according to claim 2, wherein: the last top surface of above-mentioned rectangular plate body has the convex arc portion of epirelief, there is a side at least in the lower side of above-mentioned rectangular plate body, right side limit and the left side to be the wave limit, the leading flank of above-mentioned convex arc portion is equipped with the arc recess identical with convex arc portion to the indent backward, set up on the back cell wall of above-mentioned arc recess and to draw out different figurative through-hole structure, set up on the lower cell wall of above-mentioned arc recess and along the extending of left right direction and with the communicating opening of naked pore, the upper end of above-mentioned translation pole stretches out in opening to the arc recess.