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22results about "Non-circular curve drawing instruments" patented technology
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Multifunctional geometric drawing ruler
ActiveCN223877777UNon-circular curve drawing instrumentsCircular curve drawing instrumentsGraphicsTriacontagon
The utility model discloses a multifunctional geometric drawing ruler which comprises a ruler body, and the ruler body is provided with a first circle drawing mechanism, a second circle drawing mechanism, a stereogram drawing mechanism, an angle measuring mechanism and a plurality of graph hollow-out areas. According to the multifunctional ruler, the first circle drawing mechanism, the second circle drawing mechanism, the stereogram drawing mechanism, the angle measuring mechanism and the graph hollowed-out areas in various shapes are arranged on the ruler body, so that straight lines and curves can be drawn, various angles can be read and drawn, and various sectors, arcs, polygons and stereoscopic graphs can be drawn; the circle drawing device further comprises another circle drawing mechanism with a pressing type circle center positioning button as a core, the sharp bottom of the pressing type circle center positioning button can be positioned on paper so as to play a role of a circle center, then a limiting block is adjusted to a proper position, a fastening bolt is screwed to fix the limiting block, and the circle drawing mechanism is used for drawing circles or concentric circles with different sizes. Therefore, radius adjustment is completed, and a larger circle can be drawn by rotating the ruler body with the pressing type circle center positioning button as the circle center.
Owner:李盟
Curve drawing flexible rule and curve drawing device
Owner:WUHAN MANHONGLIU TECH CO LTD
Directional drilling rock core generatrix drawing device
The utility model provides a directional drilling rock core generatrix drawing device, which relates to the technical field of geological surveying and mapping and comprises a support, a marking pen, a moving fixing part and a slide rail. The support is of an arc-shaped structure, and connecting end parts are symmetrically arranged at the two ends of the support. The marking pen is connected with the moving fixing part; the moving fixing part is in sliding connection with the bracket along the arc length path of the bracket; in the working state, the connecting end parts are connected with the two ends of the semicircular coring sleeve in a surrounding mode and slide in the axial direction of the coring sleeve to drive the marking pen installed on the support to conduct generatrix drawing along the rock core. And under the action of the sliding rail, drawing of the core generatrix can be rapidly and efficiently completed. Moreover, under the action of a sliding rail, a fixing nut and a clamping bolt, the device draws the bus more accurately, deviation in the drawing process is avoided, and the technical problems that in the prior art, deviation is prone to occurring in manual drawing, and efficiency is low are effectively solved.
Owner:CHINA MINMETALS CHANGSHA MINING RES INST
Hyperbola drawing set ruler
ActiveCN223355270UNon-circular curve drawing instrumentsStructural engineeringMechanical engineering
The utility model discloses a hyperbola drawing set ruler which comprises at least three drawing assemblies, and each drawing assembly comprises a hyperbola ruler body and a progressive line ruler body which are arranged in a split mode. A hyperbola outer contour is arranged on the left side of the hyperbola ruler body, a splicing outer contour is arranged on the right side of the progressive line ruler body, and an asymptote outer contour is arranged on the left side of the progressive line ruler body; the hyperbola outer contour protrudes towards the left side, the splicing outer contour sinks towards the left side, and the hyperbola outer contour and the splicing outer contour are matched in shape; the sizes of openings of the hyperbolic outer contours of all the drawing assemblies are different. According to the utility model, the drawing quality and drawing efficiency of students in an examination room can be improved, and the use is simple and convenient.
Owner:何东
Multifunctional geometric tool for junior high school
ActiveCN224103769USlippage preventionNon-circular curve drawing instrumentsStructural engineeringMechanical engineering
The utility model discloses a multifunctional junior high school geometry tool, and relates to the technical field of drawing tools. The device comprises a square plate, an inscribed circle is formed in the square plate, a circular plate is fixedly arranged in the inscribed circle, a special-shaped groove is formed in the circular plate, a first triangular block and a second triangular block are fixedly arranged in the special-shaped groove, and one side of the first triangular block is fixedly connected with one side of the second triangular block; a plurality of first holes are formed in the circular plate; through cooperation of the square plate and the ruler, a rectangular coordinate system can be accurately drawn, two geometric circles with different diameters are drawn through the inscribed circle and the circular plate, and an equilateral triangle and a special isosceles triangle are respectively drawn through the first triangular block and the second triangular block, so that the convenience of geometric figure drawing is improved; the convenience of mathematics teaching is improved; by arranging the magnet block, the geometric tool can be attracted and fixed to the blackboard through the magnet block, and operation is convenient and fast in the geometric figure drawing process.
Owner:关克娟
Drawing device for ellipse teaching in secondary vocational education
ActiveCN223574095UNon-circular curve drawing instrumentsStructural engineeringMechanical engineering
The utility model discloses a secondary vocational ellipse teaching drawing device which comprises a base, a drawing mechanism is arranged on the base, the drawing mechanism comprises a cross groove, a first sliding block, a connecting rod, a second sliding block and an inserting hole, an adjusting mechanism is arranged on the second sliding block, and the adjusting mechanism is arranged on the cross groove. The adjusting mechanism comprises a positioning hole, a positioning rod, a clamping sleeve, a sliding rod, a clamping block, a pressing plate, a clamping groove and a pressing sleeve, the positioning hole is formed in the connecting rod, the positioning rod is arranged on the second sliding block, the sliding rod slides on the clamping sleeve, the clamping block is installed at the bottom end of the sliding rod, the pressing plate is rotatably installed on the outer wall of the clamping sleeve, and the clamping groove is formed in the pressing sleeve. The polygonal design of the adaptive block and the adaptive groove enhances the stability of connection, the push spring provides an automatic reset function, the rotating structure of the pressing plate further ensures the firmness of the positioning rod, the adjusting mode not only improves the flexibility of the device, but also remarkably simplifies the parameter adjusting step in teaching, and meets the drawing requirements of different ellipse sizes.
Owner:红安县职业技术教育中心
Drawing level scale
The utility model provides a horizontal plotting scale for drawing, which comprises a base, a three-edged ruler is arranged at the top of the base, a protractor is integrally arranged at the central position of one side of the base, a movable point ruler is rotatably connected to the central position of the protractor, an adjusting groove is formed in the movable point ruler, a movable part is movably connected to the interior of the adjusting groove, and the movable part is movably connected to the top of the base. Sliding grooves are formed in the positions, on the two sides of the movable point ruler, of the base, and positioning pieces are arranged in the sliding grooves. Compared with the prior art, the multifunctional drawing ruler has the following beneficial effects that the multifunctional drawing ruler integrates the traditional functions of a three-edged scale, a protractor, circle drawing, parallel line drawing and ellipse drawing, also has the functions of fixing drawings and conveniently moving, meets various drawing requirements of straight line drawing, angle measurement, ellipse drawing and the like, does not need to carry various tools, and is convenient to use. And the drawing efficiency is effectively improved.
Owner:QINGDAO UNIV OF TECH
Teaching Convex Profile Drawing Instrument
A teaching convex profile drawing device relates to the field of teaching aids. It includes a follower motion law curve tracking component, a convex profile drawing component, and a parameter adjustment component. The parameter adjustment component includes a base circle radius adjustment component and an offset distance adjustment component. The base circle radius adjustment component is mounted on the moving guide rail of the follower motion law curve tracking component, and the offset distance adjustment component is placed within the convex profile drawing component. The follower motion law curve tracking component and the convex profile drawing component are connected by a synchronous linkage and are fixedly mounted on a base. This device eliminates the need for equal division of the follower motion law curve, allows for continuous drawing, achieves high profile accuracy, fast drawing speed, and a simple process.
Owner:SHENYANG AGRI UNIV
Electric servo and hydraulic servo mixed demonstration platform
ActiveCN223212151UWriting connectorsNon-circular curve drawing instrumentsHydraulic cylinderGraphics
The utility model belongs to the field of Archimedes spiral, particularly relates to an electric servo and hydraulic servo mixed demonstration platform, and aims to solve the problems that when an existing Archimedes spiral is demonstrated, a device for accurate description is lacked, only a shape can be drawn roughly, the graph accuracy is reduced, and the demonstration effect is poor. The demonstration assembly comprises a workbench, the top of the workbench is fixedly connected with a fixing plate, one side of the fixing plate is fixedly connected with a hydraulic cylinder, the top of the hydraulic cylinder is provided with a servo valve, and one side of the servo valve is provided with an oil pipe. The output flow is controlled by adjusting the opening of the valve element of the servo valve, the extending / retracting speed of the oil cylinder can be controlled, the curve of the oil cylinder and the curve of the oil cylinder are coupled, the Archimedes spiral can be obtained, the extending length of the pen point can be controlled, and the standard Archimedes spiral can be conveniently drawn on paper.
Owner:WUXI FOREVER AUTOMATION TECH CO LTD
Curve drawing device for mathematics
ActiveCN224089939Ushorten the timeEasy to expandNon-circular curve drawing instrumentsCurve shapeStructural engineering
The utility model relates to the field of mathematics teaching tools, and discloses a mathematics curve drawing device which comprises a fixed ruler, a rotating ruler is rotatably connected to the inner wall of the bottom end of the fixed ruler, a pull rod is connected to the top end of the fixed ruler through a connecting assembly, and a suction cup is fixedly connected to the upper side of the rear end of the fixed ruler. The lead screw is rotationally connected to the inner wall of the rotating ruler, the right end of the lead screw is fixedly connected with a rotating rod, the top end of the lead screw is connected with a supporting seat through a splicing assembly, and the top end of the supporting seat is connected with a sliding seat through a threaded assembly. The connecting assembly comprises an inserting rod connected to the top end of the fixed ruler in a sliding mode, and the bottom end of the pull rod is fixedly connected to the top end of the inserting rod. According to the drawing device, the rotating ruler can be rapidly and stably folded in the fixed ruler, carrying and storage are convenient, chalk can be clamped and fixed, the curve drawing precision and quality are improved, the chalk can be moved on the rotating ruler, and the drawing device can draw more curve shapes.
Owner:杨金花
Ellipse ruler for drawing ellipse through stepless adjustment of semi-automatic take-up device
The invention provides an ellipse ruler for drawing ellipses through stepless adjustment of a semi-automatic take-up device, and relates to the technical field of drawing tools, the ellipse ruler comprises a length-adjustable main ruler assembly used for providing a focal length stepless adjustment frame, and the main ruler assembly is provided with a scale adjustment device; the auxiliary ruler assembly is movably connected with the main ruler assembly through a rotary connecting device and can rotate around the central point of the main ruler assembly; the take-up pen assembly is movably connected with the auxiliary ruler assembly through a sliding connecting device and connected to the main ruler assembly through a rope loop, and the take-up pen assembly is provided with a length adjusting device used for adjusting the length of the rope loop in a stepless mode so as to draw ellipses with different parameters. The problem of large errors is solved by adopting stepless adjustment; all the components can be flexibly adjusted, the length of the rope loop is adjusted through the semi-automatic take-up device to adapt to different ellipse parameters, use is convenient, and precision is high.
Owner:韩飞云
Pendulum decorating apparatus
ActiveGB2636251BLiquid surface applicatorsNon-circular curve drawing instrumentsMechanical engineeringPhysics
A pendulum decorating apparatus 10 comprises a base 12; a tray 14 supported by the base; an arm 18 extending upward above the tray; a tether 20 coupled to a portion of the arm above the tray; and a po
Owner:CRAYOLA LLC
Mechanical exerciser for mathematics
The mechanical exerciser comprises a main support, an X-axis auxiliary mechanism and a linkage auxiliary mechanism, the outer wall of the main support is coated with an anti-corrosion coating, the inner wall of the main support is provided with a first sliding groove, the X-axis auxiliary mechanism is arranged on the inner wall of the main support, and the linkage auxiliary mechanism is arranged on the inner wall of the main support. The X-axis auxiliary mechanism comprises a first sliding block, a sleeve rod, a threaded groove, an X-axis auxiliary strip and a first calibration groove, and the first sliding block is arranged on the inner wall of the main support. According to the mechanical exerciser for mathematics, an anti-corrosion coating made of epoxy resin paint and an X-axis auxiliary mechanism are arranged, so that an X-axis auxiliary strip can be conveniently disassembled and assembled through a threaded groove in the outer wall of a sleeve rod in the X-axis auxiliary mechanism before and after use, and therefore a connecting rod and a driven auxiliary strip can be conveniently disassembled and assembled; the epoxy resin paint can provide anti-corrosion and anti-rust effects on the surface of the exerciser, and the situation that the service life is affected due to rusting and corrosion of the surface of the exerciser after long-time use is avoided.
Owner:TIANJIN LIGHT IND VOCATION TECHN COLLEGE
An indoor design drawing board with an axonometric auxiliary function and its usage method
The present invention belongs to the technical field of interior design, and specifically relates to an interior design drawing board with an axonometric auxiliary function and its usage method, including a drawing board. An adhesive layer is provided around the front surface of the drawing board. A lamp board is installed at the lower left of the front surface of the drawing board, and angle scale lines are provided on the surface of the lamp board. Telescopic components are provided on the upper and lower sides of the drawing board. A middle board is rotatably installed between the telescopic components and adjacent telescopic components. A cabinet axonometric ellipse gauge is installed at the front end of the middle board, and a handle is fixedly connected to the middle of the middle board. A clamping component is provided on the side of the cabinet axonometric ellipse gauge. A synchronous adjustment component is rotatably installed on the surface of the middle board. An angle adjuster is installed on the left side of the telescopic component. A first magnet is fixedly connected to the right side of the drawing board, and a second magnet is adsorbed on the right side of the first magnet. This device can not only draw axonometric rectangles and axonometric cubes, but also draw axonometric ellipses of different sizes and different angles.
Owner:NANJING FORESTRY UNIV
Quadratic curve drawing tool
To provide a quadratic curve plotter capable of freely plotting graphs of quadratic functions (quadratic curves) with different rates of change by changing fixed positions of members constituting a device with simple operations.SOLUTION: A quadratic curve plotter comprises a frame, a guide member, a cross-shaped rotating member and a quasi-line moving member. The frame consists of a first frame and a second frame, graduated at predetermined intervals and arranged in parallel, the guide member consists of a central guide section, a focal point guide section and a quasi-line guide section, and the cross-shaped rotating member is configured to maintain verticality by a quadratic curve following section and an arm section.SELECTED DRAWING: Figure 1
Owner:大田 勇二
Drawing device with good flexibility
ActiveCN223384222UNon-circular curve drawing instrumentsCircular curve drawing instrumentsStructural engineeringMechanical engineering
Owner:PINGDU CITY TECHNICIAN COLLEGE (PINGDU CITY SENIOR TECH SCHOOL)
Quadratic curve gauge
PendingCN121224329ANon-circular curve drawing instrumentsCircular curve drawing instrumentsEllipseStructural engineering
According to the quadratic curve gauge, the problem of wire twisting in the ellipse drawing process is ingeniously solved in a one-high-one-low wiring mode through a cylinder on a paintbrush; the drawing principle or the measuring tape principle is utilized to solve the problem that two sides stretch out and draw back simultaneously in hyperbolic curve drawing. A traditional blackboard drawing method of a circle is innovated; the circle center and the radius are flexibly and accurately changed; the drawing problem that the distance from a parabola definition midpoint to a fixed straight line and the distance from a point to a fixed point are equal everywhere is creatively solved through the telescopic rod principle. The instrument is a teaching tool used for manually drawing circles, ellipses, hyperbolic curves and parabolas, is simple in design, scientific, standard and convenient to use, and can intuitively reflect the definition of each quadratic curve, improve the teaching efficiency, enhance the learning interest and creative ability of students, intuitively display the definition and formation of each quadratic curve and enhance the practical application ability.
Owner:刘磊
Physical drawing tool for demonstrating first definition of parabola
By means of the object drawing tool for demonstrating the first definition of the parabola, the problem that an object drawing tool for demonstrating the first definition of the parabola is lacked in the prior art is solved, the new object drawing tool for demonstrating the first definition of the parabola is provided, and the vacancy in the aspect is filled. The invention provides a real object drawing tool for demonstrating a first definition of a parabola, and the tool comprises a pedestal which can be fixed on a blackboard; the rods comprise a first rod, a second rod, a third rod and a fourth rod; the movable handle is provided with double pulleys capable of being adjusted by 720 degrees; two steel wires capable of stretching out and drawing back synchronously are arranged in a main body of the telescopic double steel wires. According to the method and the device, the problem that a real object drawing tool for demonstrating the first definition of the parabola is relatively lacked in related technologies is solved, a novel real object drawing tool for demonstrating the first definition of the parabola is provided, and the vacancy in the aspect is filled.
Owner:刘超
Parabola plotting instrument
PendingCN121316438ANon-circular curve drawing instrumentsTeaching apparatusRectangular coordinatesMechanical engineering
The parabola drawing instrument integrates novelty, creativity and practicability and is suitable for teaching activities of mathematics and physics in junior high schools. 2, the parabola plotter can be used for plotting the parabola by only one stroke, and the gauge trace of the moving point on the parabola is vividly and vividly displayed; and compared with a point drawing method, the lines are smooth and attractive. 3, according to the design principle, the distance between a point on the parabola and the focus is equal to the distance between the point on the parabola and the directrix, and the characteristic is the basis of the design of the parabola plotter; 4, a parabola is drawn firstly, then a rectangular coordinate system is established, and compared with a traditional drawing method that the rectangular coordinate system is determined firstly and then the parabola is drawn, the drawing method is novel, ingenious in technology, simple, convenient and easy to implement.
Owner:陆友生
Double-head water color pen
ActiveCN224210808UAchieve multifunctional paintingeasy to useNon-circular curve drawing instrumentsCircular curve drawing instrumentsStructural engineeringMechanical engineering
The utility model discloses a double-headed water color pen, including pen body and pen cap portion, the pen cap portion is formed by a cover body 1 and a cover body 2 through hinge rotation connection, the cover body 1 and the cover body 2 both sides are fixedly connected through a lock catch mechanism, the pen body includes pen shell, the pen shell is internally provided with ink core and refill, the pen shell is provided with the ink core and the refill, and the ink core and the refill are fixedly connected through the lock catch mechanism. A pen point is fixedly arranged at one end of the pen shell, a pen tail is fixedly arranged at the other end of the pen shell, the pen refill penetrates through the pen point and extends to the outside, pen grooves are formed in the ends, away from each other, of the first cover body and the second cover body, first clamping rings are arranged in the pen grooves, and second clamping rings connected with the first clamping rings in a clamped mode are arranged on the pen point. The utility model relates to a double-head water color pen capable of adjusting the angle of a pen cap to realize multifunctional drawing.
Owner:WENZHOU WENTAI PEN IND
Multi-line drawing ruler edge
ActiveCN224044945UNon-circular curve drawing instrumentsStraightedgesMechanical engineeringLine drawings
Owner:INNER MONGOLIA ESSAY STATIONERY CO LTD
Multifunctional compasses
ActiveCN224089938UEasy to storeEasy to zoom in and observeSlide gaugesElectric circuit arrangementsVernier scaleMagnifying glass
The utility model relates to multifunctional compasses which comprise a compasses connecting seat, a first compasses supporting leg and a second compasses supporting leg, wherein the first compasses supporting leg and the second compasses supporting leg are rotationally connected with the compasses connecting seat. The vernier caliper assembly comprises a vernier scale, the vernier scale is movably arranged on the first compass supporting leg in a sleeving mode, at least one first measuring clamping jaw is arranged at the end, close to the compass connecting base, of the first compass supporting leg, and at least one second measuring clamping jaw is arranged at the end, close to the compass connecting base, of the vernier scale. The number of the second measuring clamping jaws is the same as that of the first measuring clamping jaws, the second measuring clamping jaws are matched with the first measuring clamping jaws in a one-to-one correspondence mode, first length scale marks are arranged on the first compass supporting leg, and vernier scale marks matched with the first length scale marks are arranged on the vernier scale. The multifunctional compasses not only realize the functions of compasses, but also can realize the functions of the vernier caliper and the magnifying glass, so that the multifunctional compasses have multiple functions, and are convenient to store and carry about for use.
Owner:罗英文