CN214928535U

CN214928535U - Synthetic trailing line drawing gauge

Info

Publication number: CN214928535U
Application number: CN202120914604.2U
Authority: CN
Inventors: 王书营; 胡尚君
Original assignee: Nanjing Vocational University of Industry Technology NUIT
Current assignee: Nanjing Vocational University of Industry Technology NUIT
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-11-30
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a trailing leaf line drawing rule of synthetic formula, including T-shaped rule frame, secant sliding frame, location taper rod, base circle bull stick, painting brush structure and stroll system, the T-shaped rule frame is including horizontal first plate and the vertical fixation that sets up the second plate of first plate one end, the three end that stretches out of T-shaped rule frame is fixed with the regulation lower margin respectively, the secant sliding frame is including being located the sliding frame upper plate and the sliding frame hypoplastron of both sides about the first plate, sliding frame upper plate one end with same one end fixed connection of sliding frame hypoplastron, the location taper rod runs through the secant sliding frame rotates with it and is connected, the painting brush structure arrives distance between the location taper rod with the second slider arrives distance between the first slider equals. The utility model discloses can draw the climing leaf line figure of arbitrary parameter, parameter adjustment is simple and convenient quick. Compact structure, low cost and convenient carrying, and is convenient to carry after being folded.

Description

Synthetic trailing line drawing gauge

Technical Field

The utility model belongs to the drawing tool field, and relates to a synthetic trailing edge drawing gauge.

Background

The vine leaf line is the most commonly used graph, is widely applied in the industries of agriculture, communication, manufacturing and the like, is the content which is necessary to be mastered by universities and middle school students, and has a polar coordinate equation of rho 2a (sec theta-cos theta) and a rectangular coordinate equation of (x)²+y²)x＝2ay²Because the curve synthesized by the tangent line of the fixed circle middle chord under the guidance of the tangent line on the diameter is represented as the variable speed catch-up and the reverse separation of two points on the moving tangent line, the internally formed cause-and-effect relationship lacks an intuitive imagination process, so that teachers or students have great difficulty in teaching and the teaching effect is seriously influenced. In addition, engineering designers draw drawings, machining personnel process parts and the like, and need special drawing tools which are rapid and convenient to use to improve efficiency and precision.

In order to solve the above problems, only a few devices related to the trailing edge line have been developed in the near stage, for example, a document with patent application number 201410484818 provides a "trailing edge line type low-frequency ultrasonic triple atomization nozzle", which is a trailing edge line type composite amplitude transformer constructed by a conical amplitude transformer and a stepped amplitude transformer, the used metal has a small volume and generates less heat, and the mist drops are atomized for the third time on the right end face of the metal sheet by the wind force of a fan at the air inlet pipeline, so that the defect that the ultra-fine mist drops are difficult to generate by low-frequency ultrasonic atomization is overcome, and the device can be used in the fields of atomization cultivation, ultrasonic spraying and the like. This technique is only applied and cannot directly draw a vine-leaf line. The patent application No. 201610230017.5 discloses an integrated plotter, which comprises two bases, a first polished rod shaft and a second polished rod shaft, wherein one end of the second polished rod shaft is hinged with the first polished rod shaft through a sliding block, an M rod and an N rod below a sliding groove are hinged through shaft sleeves, and one end of the N rod is provided with a chalk supporting frame. The plotter can only complete the description of some simple curves and cannot be used for drawing the vine leaf lines.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a synthetic trailing edge line drawing gauge to solve the technical problem that the prior art lacks the trailing edge line that the device can be confirmed at the device limit arbitrary parameter as required.

The synthetic trailing edge line drawing gauge comprises a T-shaped gauge frame, a cutting line sliding frame, a positioning taper rod, a base circle rotating rod, a painting brush structure and a sliding cable system, wherein the T-shaped gauge frame comprises a first plate transversely arranged and a second plate vertically fixed at one end of the first plate, three extending ends of the T-shaped gauge frame are respectively fixed with an adjusting ground foot, the cutting line sliding frame comprises a sliding frame upper plate and a sliding frame lower plate which are positioned at the upper side and the lower side of the first plate, one end of the sliding frame upper plate is fixedly connected with the same end of the sliding frame lower plate, the positioning taper rod penetrates through the cutting line sliding frame and is rotatably connected with the cutting line sliding frame, a fifth sliding block and a sixth sliding block are slidably connected on the first plate, the fifth sliding block is rotatably connected with the positioning taper rod, the sixth sliding block is rotatably connected with one end of the base circle rotating rod, a seventh sliding block capable of being locked is slidably connected on the base circle rotating rod, the seventh slider is connected with the second slider on the sliding frame upper plate in a rotating mode, the third slider on the sliding frame lower plate is connected with the first slider on the second plate in a rotating mode, the sliding frame lower plate is further connected with a painting brush structure in a sliding mode, the painting brush structure is arranged on the secant sliding frame through the sliding rope system connected to the second slider, during use, the positioning taper rod is locked on the first plate, the seventh slider is locked on the base circle rotating rod, and in the rotating process of the base circle rotating rod, the painting brush structure reaches the distance between the positioning taper rods and the distance between the second slider and the first slider are equal.

Preferably, two ends of a vertical sliding plate of the sliding frame are respectively and fixedly connected to the same end of one end of the upper sliding plate and the same end of the lower sliding plate, the other ends of the upper sliding plate and the lower sliding plate are open ends, the open end of the lower sliding plate of the sliding frame is provided with a fifth groove, the other end of the lower sliding plate of the sliding frame is provided with a fourth groove, the second sliding block is provided with a fixed reel and a first pulley, the first sliding block is provided with a fourth pulley, the open end of the upper sliding plate of the sliding frame is provided with an eleventh pulley, one side of the inner side of the vertical sliding plate of the sliding frame is provided with a tenth pulley and a seventh pulley from top to bottom, the other side of the vertical sliding plate of the sliding frame is provided with an eighth pulley and a sixth pulley from top to bottom, the middle of the vertical sliding plate of the sliding frame is provided with a ninth pulley, the fifth pulley is arranged in the fifth groove, the fourth groove is provided with a fifth pulley, and two sides of the open end of the lower sliding plate of the sliding frame are respectively provided with a twelfth pulley and a third pulley, the third pulley and the sixth pulley are on the same side, the twelfth pulley and the seventh pulley are on the same side, and the string sequentially passes through an eleventh pulley, a tenth pulley, a seventh pulley, a twelfth pulley, a fourth pulley and a second pulley from the fixed reel and is fixedly connected to the painting brush structure, and then passes through a fifth pulley, a ninth pulley, a first pulley, an eighth pulley, a sixth pulley and a third pulley and is fixedly connected to the third sliding block.

Preferably, the left and right sides of sliding frame hypoplastron is equipped with the slip recess, the painting brush structure includes draw-in groove slider, pipe, circle pen-holder and nib, the draw-in groove slider is the ascending C type slide of opening, the bending structure of draw-in groove slider both sides respectively with the slip recess sliding connection who corresponds the side, the pipe is fixed draw-in groove slider bottom and with circle pen-holder sliding connection, the nib is located circle pen-holder bottom, be equipped with the locking on the pipe the locking screw of circle pen-holder, the circle pen-holder with connect the pressure that provides the pen point of pushing down through the pressure spring between the pipe.

Preferably, the round tube is provided with a through hole for the thin rope to pass through and is provided with a thin rope clamp for clamping and fixing the thin rope.

Preferably, the sixth sliding block is connected with one end of the base circle rotating rod through a tubular shaft, the center of the tubular shaft is provided with a spot lamp, the spot lamp emits light towards two ends through the tubular shaft, and two ends of the tubular shaft penetrate through the base circle rotating rod and the sixth sliding block respectively.

Preferably, the location taper rod includes crown plate, fixed pipe, round bar, spring and handle one, the crown plate is fixed fix and cup joint on the fifth slider outside the fixed pipe, the round bar slides and passes fixed pipe, be equipped with the locking on the fixed pipe the locking screw of round bar, the lower extreme of round bar is the taper rod head and the other end is fixed with handle one, handle one with will through spring coupling between the crown plate the round bar pushes down.

Preferably, the seventh sliding block is rotatably connected with the second sliding block through a cylindrical shaft, and the upper end of the cylindrical shaft penetrates through the second sliding block and is connected with a second handle.

Preferably, a nail shaft is vertically fixed at the center of the third sliding block, the nail shaft penetrates through and is rotatably connected with the first sliding block, the fourth pulley is installed on the nail shaft, and one end of the string is fixed on the nail shaft.

Compared with the prior art, the utility model, its beneficial effect is:

1. the utility model discloses a trailing leaf line drawing rule of synthetic formula, easy operation as long as push away the commentaries on classics handle, set for the initial position of a plurality of sliders in order to correspond corresponding parameter, just can accomplish the drawing work of trailing leaf line figure of arbitrary parameter.

2. The synthetic trailing edge line drawing gauge is simple to assemble and compact in structure, is similar to a straight ruler structure after being folded and synthesized, greatly reduces occupied space, is low in cost and light and handy in device, and therefore has the advantages of being convenient to carry and assemble and use on site.

Drawings

Fig. 1 is a schematic structural view of the synthetic trailing edge drawing gauge of the present invention.

FIG. 2 is a schematic structural view of the T-square in the structure shown in FIG. 1.

Fig. 3 is a schematic structural view of a secant sliding frame and a positioning taper rod in the structure shown in fig. 1.

Fig. 4 is an enlarged view of a portion of the brush structure of the structure of fig. 3.

Fig. 5 is a schematic structural view of a base rotary rod in the structure shown in fig. 1.

Fig. 6 is a schematic view of the construction of the cut line slider and strop system of the construction of fig. 1.

The labels in the figures are: 1. a T-shaped compass frame 11, a first plate 12, a second plate 13, a first groove 14, a second scale 15, a first scale 16, an adjusting foot 17, a second groove 18, a first slide block 19, a fifth slide block 2, a line cutting slide frame 21, a slide frame upper plate 22, a slide frame lower plate 23, a slide frame vertical plate 24, a slide groove 25, a third groove 26, a second slide block 27, a slide groove 28, a third slide block 3, a positioning taper rod 31, a fixing tube 32, a round rod 33, a cone rod head 34, a first handle 35, a ring plate 36, a spring 4, a base circle rotating rod 41, a third plate 42, a sixth groove 43, a third scale 44, a seventh slide block 45, a second handle 5, a painting brush structure 51, a round tube 52, a round pen rod 53, a pressure spring 54, a limiting part 55, a C-shaped slide plate 6, a slide cable system, 601. a first pulley, 602, a fixed reel, 603, a third pulley, 604, a fourth pulley, 605, a twelfth pulley, 606, a sixth pulley, 607, an eighth pulley, 608, a ninth pulley, 609, a tenth pulley, 610, a seventh pulley, 611, an eleventh pulley, 612, a fifth pulley, 613, a second pulley, 614, a string.

Detailed Description

The following detailed description of the embodiments of the present invention will be provided to help those skilled in the art to more fully, accurately and deeply understand the concept and technical solutions of the present invention, through the description of the embodiments with reference to the accompanying drawings.

As shown in fig. 1-6, the utility model provides a synthetic trailing edge drawing gauge, which comprises a t-shaped gauge stand 1, a cutting line sliding frame 2, a positioning taper rod 3, a base circle rotating rod 4, a painting brush structure 5 and a sliding cable system 6, wherein the t-shaped gauge stand 1 comprises a first plate 11 transversely arranged and a second plate 12 vertically fixed at one end of the first plate 11, three extending ends of the t-shaped gauge stand 1 are respectively fixed with an adjusting foot 16, the cutting line sliding frame 2 comprises a sliding frame upper plate 21 and a sliding frame lower plate 22 positioned at the upper and lower sides of the first plate 11, one end of the sliding frame upper plate 21 is fixedly connected with the same end of the sliding frame lower plate 22, the positioning taper rod 3 penetrates through the cutting line sliding frame 2 and is rotatably connected therewith, the first plate 11 is slidably connected with a fifth slider 19 and a sixth slider, the fifth slider 19 is rotatably connected with the positioning taper rod 3, the sixth sliding block is rotatably connected with one end of the base circle rotating rod 4, a seventh sliding block 44 which can be locked is slidably connected on the base circle rotating rod 4, the seventh slide block 44 is rotatably connected to the second slide block 26 slidably connected to the slide frame upper plate 21, the third slide block 28 slidably connected to the slide frame lower plate 22 is rotatably connected to the first slide block 18 slidably connected to the second plate 12, a painting brush structure 5 is also slidably connected to the sliding frame lower plate 22, the painting brush structure 5 is connected to the second sliding block 26 through the sliding cable system 6 arranged on the cutting line sliding frame 2, and when in use, the positioning taper rod 3 is locked on the first plate member 11, the seventh sliding block 44 is locked on the base rotary rod 4, during the rotation of base rotary rod 4, the distance between brush structure 5 and positioning taper rod 3 is equal to the distance between second slide 26 and first slide 18.

The two ends of the sliding frame vertical plate 23 are respectively and vertically fixedly connected to the same end of one end of the sliding frame upper plate 21 and the same end of the sliding frame lower plate 22, the other ends of the sliding frame upper plate 21 and the sliding frame lower plate 22 are open ends, the open end of the sliding frame lower plate 22 is provided with a fifth groove, the other end of the sliding frame lower plate 22 is provided with a fourth groove, the fourth groove and the fifth groove are only through grooves penetrating through the two ends of the sliding frame lower plate 22, and the extending direction of the fourth groove and the fifth groove is not required to be the same as that of the sliding frame lower plate 22 and is not in sliding fit with other parts. The strop system 6 includes first to twelfth pulleys 605, and a stationary reel 602 and a string 614, the string 614 being a rope that can be wound around arbitrarily and bent but not elongated significantly.

The first plate 11 is provided with a first groove 13 in the same direction, the second plate 12 is provided with a second groove 17 in the same direction, the sliding frame upper plate 21 is provided with a third groove 25 in the same direction, the sliding frame lower plate 22 is provided with a sliding groove 24 in a groove structure in the same direction, and the third plate 41 serving as the main body of the base circular rotating rod 4 is provided with a sixth groove 42 in the same direction. The first to third grooves 13 to 25 and the sixth groove 42 are arranged along the length direction of the plate and are used for being connected with corresponding sliding blocks in a sliding manner. The first plate 11 is provided with a first scale 15 in the same direction, the second plate 12 is provided with a second scale 14 in the same direction, and the third plate 41 is provided with a third scale 43 in the same direction. The first plate 11 and the second plate 12 are detachably connected through screws.

A fixed reel 602 and a first pulley 601 are arranged on the second slider 26, a fourth pulley 604 is arranged on the first slider 18, an eleventh pulley 611 is arranged at the open end of the sliding frame upper plate 21, a tenth pulley 609 and a seventh pulley 610 are arranged on one side of the inner side of the sliding frame vertical plate 23 from top to bottom, an eighth pulley 607 and a sixth pulley 606 are arranged on the other side of the inner side of the sliding frame vertical plate 23 from top to bottom, a ninth pulley 608 is arranged in the middle of the sliding frame vertical plate 23, a second pulley 613 is arranged in a fifth groove, a fifth pulley 612 is arranged in a fourth groove, a twelfth pulley 605 and a third pulley 603 are respectively arranged on two sides of the open end of the sliding frame lower plate 22, the third pulley 603 and the sixth pulley 606 are on the same side, the twelfth pulley 605 and the seventh pulley 610 are on the same side, and a string 614 sequentially passes through the eleventh pulley 611, the tenth pulley 609, from the fixed reel 602, A seventh pulley 610, a twelfth pulley 605, a fourth pulley 604, a second pulley 613 are fixedly connected to the brush structure 5 and then fixedly connected to the third slider 28 via a fifth pulley 612, a ninth pulley 608, a first pulley 601, an eighth pulley 607, a sixth pulley 606, a third pulley 603.

Since the second slide 26 moves towards both ends during drawing, the pulling action of the fourth slide can be generated by the string 614 and the second slide 26 is moved

The left and right sides of sliding frame hypoplastron 22 is equipped with slip recess 27, painting brush structure 5 includes draw-in groove slider, pipe 51, round pen holder 52 and nib, the draw-in groove slider is the ascending C type slide 55 of opening, the bending structure of draw-in groove slider both sides respectively with the slip recess 27 sliding connection who corresponds the side, pipe 51 is fixed draw-in groove slider bottom and with round pen holder 52 sliding connection, the nib is located round pen holder 52 bottom, be equipped with the locking on the pipe 51 the locking screw of round pen holder 52, round pen holder 52 with connect the pressure that provides down the nib through pressure spring 53 between the pipe 51. The compression spring 53 is provided between the stopper portion 54 of the circular tube 51 and the stopper portion 54 of the circular pen shaft 52.

The round tube 51 is provided with a through hole for the string 614 to pass through and is provided with a string 614 clamp for clamping and fixing the string 614.

The sixth sliding block is connected with one end of the base circle rotating rod 4 through a tubular shaft, the center of the tubular shaft is provided with a spotlight, the spotlight emits light towards two ends through the tubular shaft, and two ends of the tubular shaft penetrate through the base circle rotating rod 4 and the sixth sliding block respectively.

The positioning taper rod 3 comprises a ring plate 35, a fixed pipe 31, a round rod 32, a spring 36 and a first handle 34, the ring plate 35 is fixed on the fifth sliding block 19 and fixedly sleeved outside the fixed pipe 31, the round rod 32 slides to penetrate through the fixed pipe 31, a locking screw of the round rod 32 is arranged on the fixed pipe 31, the lower end of the round rod 32 is a conical rod head 33, the other end of the round rod is fixedly provided with the first handle 34, and the first handle 34 is connected with the ring plate 35 through the spring 36 to press the round rod 32 downwards.

The seventh sliding block 44 is rotatably connected with the second sliding block 26 through a cylindrical shaft, and the upper end of the cylindrical shaft penetrates through the second sliding block 26 and is connected with a second handle 45.

A nail shaft is vertically fixed at the center of the third sliding block 28, the nail shaft penetrates through and is rotatably connected with the first sliding block 18, the fourth pulley 604 is installed on the nail shaft, and one end of the string 614 is fixed on the nail shaft.

The working principle of the synthetic trailing edge drawing gauge of the utility model is as follows: according to a plurality of similar right-angled triangles surrounded by the movable secant and the tangent of two end points of the fixed circle diameter, the motion of a plurality of points on the hypotenuse is equivalent to the change of the upper chord of the secant and the forward and reverse change of the tangent, the frame type secant is divided into equidistant differences of the points on the circumference and the points on the tangent, and the distance between the brush structure 5 and the positioning taper rod 3 can be changed along with the change of the distance between the first pulley 601 and the fourth pulley 604 by utilizing the sliding cable system 6, so that the distance between the brush structure and the positioning taper rod 3 is kept consistent. The method is characterized in that: the operation is simple, and all functions can be completed by only pushing and pulling the handle under the initial condition. The vine leaf line graph with any parameters can be drawn, the parameters are adjusted simply, conveniently and quickly, the folded and synthesized vine leaf line graph is a root ruler, and the applicability is high.

The utility model discloses a synthetic climing leaf line drawing rule has the climing leaf line function of drawing arbitrary radius circle affirmation, and the operating procedure is:

firstly, assembling an instrument: 1, placing the T-shaped support 1 on a platform, and rotating and adjusting the anchor feet 16 to be in a stable state. 2] the tee bracket 1 is inserted between the slide frame upper plate 21 and the slide frame lower plate 22 from the open end of the secant slide frame 2. 3, placing the pulley in the sliding cable system 6 on the cutting line sliding frame 2. 4, installing the positioning taper rod 3 at the open end of the secant sliding frame 2, rotatably connecting the positioning taper rod with a fifth slide block 19 on the T-shaped gauge frame 1, and retracting the round rod 32 into the fixed tube 31 to be locked by a locking screw. And 5, a sixth sliding block of the base circle rotating rod 4 is arranged on the T-shaped compass frame 1 and is locked and fixed by a pin, and then the cylindrical shaft and the secant sliding frame 2 are connected to form a combined body. And 6, placing the painting brush structure 5 on the cutting line sliding frame 2, retracting the pen point and fixing the pen point by using a locking screw. 7, placing the thin rope 614 in the sliding rope system 6 on a composite body, and rotating the fixed winding wheel to tighten and fix the thin rope 614. 8] turn off the spot light.

Setting symbols: 1]Vine leaf line: polar equation ρ ═ 2a (sec θ -cos θ), rectangular equation (x)²+y²)x＝2ay²。2]Trajectory feature, for the over-origin O equation (x-a)²+y²＝a²Circle C of₁And the equation is that the tangent C of x-2 a₂The straight lines L passing through O respectively intersect C₁And C₂At P and Q, point M on L is such that the locus of PQ ═ OM is a trailing line, point O is a node, and tangent C is₂Is an asymptote. 3]The projection of each point on the center line of the conical tip 33 on the chart board represents a point O. 4]The central line of the tubular shaft on the base circle rotating rod 4 passes through the center of the spotlight, and the projection of each point on the base circle rotating rod on the drawing board represents a circle C₁The projection of each point on the central line of the cylindrical axis on the drawing board represents a circle C₁And an upper point P. 5]The center line of the first groove 13 on the first plate 11 passes through the circle C₁Diameter, the center line of the second groove 17 in the second plate member 12 represents the tangent line C₂。5]The projection of the center line of the third groove 25 on the secant sliding frame 2 on the drawing board represents a straight line L, and the projection of the center line of the nail shaft on the drawing board represents a point Q. 6]The centre line of the brush structure 5 is aligned above and below the centre line of the slide 24 and the projection of the nib onto the panel represents point M on the trailing line. 7]The coordinate system is Oxy. 8]The first scale 15 coincides with the horizontal axis of the coordinate system Oxy. 9]The second scale 14 coincides with the longitudinal axis Oy of the coordinate system Oxy. 10]The synthetic vine leaf line drawing gauge is represented by letter V.

Thirdly, adjusting the initial position: 1]Determine circle C₁The value of radius a. 2]Putting the string 614 in a relaxed state. 3]The second handle 45 is grasped to shift the cylinder axis to the position where the center line is at the value a of the third scale 43 and the seventh slider 44 is fixed to the third plate member 41 with a locking screw. 4]By grasping the upper end of the spool and moving the spool to a position where the centerline is at the first scale 15and at the value of a, the sixth sliding block is fixed on the first plate 11 by a locking screw. 5]The fixing tube 31 is moved to the position where the center line is located at the 2a value of the first scale 15, and the fifth slider 19 is fixed to the first plate 11 with a locking screw. 6]The second handle 45 is grasped to push and rotate the cylindrical shaft to drive the secant sliding frame 2 to rotate to be overlapped with the first plate 11, namely, the cylindrical shaft and the nail shaft are overlapped up and down, and the central line is positioned at the zero point of the second scale 14, so that the first sliding block 18 is fixed on the second plate 12. 7]The spinning stationary reel 602 tightens and then secures the string 614. 8]The cord 614 clamp is opened to move brush structure 5 to any position between tube 31 and the tube axis and then fixed.

Fourthly, drawing a curve: 1]Will be drawn with the coordinate system Oxy, with the equation (x-a)²+y²＝a²Circle C of₁And the equation is that the tangent C of x-2 a₂Origin O (0, 0), circle C₁Center of circle Q₁(a，0)、C₂And C₁Tangent point Q of₂The sheet S of (2a, 0) is fixed on the flat plate. 2]Pressing the first handle 34 causes the conical rod head 33 to extend out of the fixed tube 31 and lock with the locking screw. 3]And turning on the spotlight. 4]The drawing gauge V is arranged on the S, the conical rod head 33 is aligned with the original point O, and the light beam of the spotlight is aligned with the C₁Center of circle Q₁。5]The adjustable anchor 16 is rotated to stabilize the drawing gauge V. 6]Releasing the locking screw retracts conical rod head 33 into fixing tube 31, and the clip of string 614 is opened to move and fix brush structure 5 below fixing tube 31. 7]And releasing the locking screw to extend the pen point out and align the pen point with the origin O. 8]The fixed state of the first slider 18 is released. 9]The first handle 34 is pressed by one hand to enable the T-square 1 to be in a fixed state, and the second handle 45 is grasped by the other hand to push the cylindrical shaft anticlockwise. 10]When the pen tip is away from the origin O, the first handle 34 is pressed to fix the conical rod head 33 at the origin O. 11]The cylindrical shaft continues to be pushed, the nail shaft representing the point Q slides along the second plate 12 and the sliding frame lower plate 22 in the direction far away from the original point O, and the cylindrical shaft representing the point P slides along the point Q₁Making a circular motion as the center of circle, sliding along the upper plate 21 of the slide frame toward the original point O, and as the distance between the nail axis and the cylinder axis increases, the painting brush structure 5 located on the string 614 and representing the point M slides along the lower plate 22 of the slide frame outward from the original point O and draws a section of curve OM₁Distance of travel and nail axisThe distance between the cylindrical shafts is the same, namely PQ ═ OM. 12]When the point M reaches the limit position or the required position, the center of the nail shaft is positioned at the position b in the positive direction of the second scale 14, and the cylindrical shaft stops being pushed and rotated. 13]The pen point is retracted and fixed by a locking screw. 14]The second grip 45 is grasped to push the cylindrical shaft clockwise back to the starting position, retracting the conical tip 33 back to the point of origin O. 15]The cylinder shaft is further pushed clockwise, and when the pen point leaves the origin O, the conical rod head 33 is fixed at the origin O. When the center of the nail shaft is located at the position b opposite to the second scale 14, the cylindrical shaft is stopped being pushed and rotated, and the painting brush structure 5 slides outwards from the original point O along the sliding frame lower plate 22 and draws a section of curve OM₂The pen tip is retracted and fixed by the sixth pin 57. 16]Drawing a continuous, complete and symmetrical trailing line M on the S₁OM₂。

Fifthly, drawing is finished: the device is restored to the initial state.

The utility model discloses a climing leaf line drawing gauge of synthetic formula has synthesis function, lifts off the screw and separates first plate 11 and second plate 12, and first plate 11, second plate 12, secant sliding frame 2 and base circle bull stick 4 can roll over together.

The above description is made for the exemplary purposes with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various insubstantial improvements can be made without modification to the present invention.

Claims

1. The synthetic trailing line drawing gauge is characterized in that: comprises a T-shaped gauge stand (1), a cutting line sliding frame (2), a positioning taper rod (3), a base circle rotating rod (4), a painting brush structure (5) and a sliding rope system (6), wherein the T-shaped gauge stand (1) comprises a first plate (11) transversely arranged and a second plate (12) vertically fixed at one end of the first plate (11), three extending ends of the T-shaped gauge stand (1) are respectively fixed with an adjusting ground foot (16), the cutting line sliding frame (2) comprises a sliding frame upper plate (21) and a sliding frame lower plate (22) which are positioned at the upper side and the lower side of the first plate (11), one end of the sliding frame upper plate (21) is fixedly connected with the same end of the sliding frame lower plate (22), the positioning taper rod (3) penetrates through the cutting line sliding frame (2) and is rotatably connected with the cutting line sliding frame upper plate (2), a fifth sliding block (19) and a sixth sliding block are slidably connected on the first plate (11), and the fifth sliding block (19) is rotatably connected with the positioning taper rod (3), the sixth sliding block is rotationally connected with one end of the base circle rotating rod (4), a seventh sliding block (44) capable of being locked is connected onto the base circle rotating rod (4) in a sliding mode, the seventh sliding block (44) is rotationally connected with a second sliding block (26) on the sliding frame upper plate (21) in a sliding mode, a third sliding block (28) on the sliding frame lower plate (22) is rotationally connected with a first sliding block (18) on the second plate (12) in a sliding mode, the sliding frame lower plate (22) is further connected with a painting brush structure (5) in a sliding mode, the painting brush structure (5) is connected to the second sliding block (26) through a sliding rope system (6) arranged on the line cutting sliding frame (2), during use, the positioning conical rod (3) is locked on the first plate (11), and the seventh sliding block (44) is locked on the base circle rotating rod (4), in the rotating process of the base circle rotating rod (4), the distance between the painting brush structure (5) and the positioning taper rod (3) is equal to the distance between the second sliding block (26) and the first sliding block (18).

2. The synthetic vine-line drawing gauge of claim 1, wherein: two ends of a sliding frame vertical plate (23) are respectively and fixedly connected to the same end of one end of the sliding frame upper plate (21) and the same end of the sliding frame lower plate (22) in a vertical mode, the other ends of the sliding frame upper plate (21) and the sliding frame lower plate (22) are open ends, the open end of the sliding frame lower plate (22) is provided with a fifth groove, the other end of the sliding frame lower plate is provided with a fourth groove, a second sliding block (26) is provided with a fixed reel (602) and a first pulley (601), a first sliding block (18) is provided with a fourth pulley (604), the open end of the sliding frame upper plate (21) is provided with an eleventh pulley (611), one side of the inner side of the sliding frame vertical plate (23) is provided with a tenth pulley (609) and a seventh pulley (610) from top to bottom, the other side of the inner side of the sliding frame vertical plate (23) is provided with an eighth pulley (607) and a sixth pulley (606) from top to bottom, the middle of the sliding frame vertical plate (23) is provided with a ninth pulley (608), a second pulley (613) is arranged in the fifth groove, a fifth pulley (612) is arranged in the fourth groove, a twelfth pulley (605) and a third pulley (603) are respectively arranged on two sides of the open end of the sliding frame lower plate (22), the third pulley (603) is arranged on the same side as the sixth pulley (606), the twelfth pulley (605) is arranged on the same side as the seventh pulley (610), and the string (614) passes through an eleventh pulley (611), a tenth pulley (609), the seventh pulley (610), the twelfth pulley (605), the fourth pulley (604) and the second pulley (613) from the fixed reel (602) in sequence and is fixedly connected to the painting brush structure (5) and then passes through a fifth pulley (612), a ninth pulley (608), the first pulley (601), an eighth pulley (607), the sixth pulley (606) and the third pulley (603) and is fixedly connected to the third sliding block (28).

3. The synthetic vine-line drawing gauge of claim 2, wherein: the left and right sides of sliding frame hypoplastron (22) is equipped with slip recess (27), painting brush structure (5) are including draw-in groove slider, pipe (51), circle pen-holder (52) and nib, the draw-in groove slider is the ascending C type slide of opening, the bending structure of draw-in groove slider both sides respectively with slip recess (27) sliding connection who corresponds the side, pipe (51) are fixed draw-in groove slider bottom and with circle pen-holder (52) sliding connection, the nib is located circle pen-holder (52) bottom, be equipped with locking on pipe (51) the locking screw of circle pen-holder (52), circle pen-holder (52) with connect the pressure that provides the nib of pushing down through pressure spring (53) between pipe (51).

4. The synthetic vine-line drawing gauge of claim 3, wherein: the round tube (51) is provided with a through hole for the thin rope (614) to pass through, and a thin rope (614) clamp for clamping and fixing the thin rope (614) is arranged on the round tube.

5. The synthetic vine-line drawing gauge of claim 1, wherein: the sixth sliding block is connected with one end of the base circle rotating rod (4) through a tubular shaft, a spotlight is installed in the center of the tubular shaft, the spotlight emits light towards two ends through the tubular shaft, and two ends of the tubular shaft penetrate through the base circle rotating rod (4) and the sixth sliding block respectively.

6. The synthetic vine-line drawing gauge of claim 1, wherein: location taper rod (3) are including crown plate (35), fixed pipe (31), round bar (32), spring (36) and handle (34), crown plate (35) are fixed on fifth slider (19) and fixed cup joint outside fixed pipe (31), round bar (32) slide and pass fixed pipe (31), be equipped with the locking on fixed pipe (31) the locking screw of round bar (32), the lower extreme of round bar (32) is circular cone pole head (33) and the other end is fixed with handle (34), handle (34) with connect through spring (36) between crown plate (35) will round bar (32) push down.

7. The synthetic vine-line drawing gauge of claim 1, wherein: the seventh sliding block (44) is rotatably connected with the second sliding block (26) through a cylindrical shaft, and the upper end of the cylindrical shaft penetrates through the second sliding block (26) and is connected with a second handle (45).

8. The synthetic vine-line drawing gauge of claim 2, wherein: a nail shaft is vertically fixed at the center of the third sliding block (28), the nail shaft penetrates through and is rotationally connected with the first sliding block (18), the fourth pulley (604) is installed on the nail shaft, and one end of the string (614) is fixed on the nail shaft.