CN213383639U

CN213383639U - Ruler drawing instrument

Info

Publication number: CN213383639U
Application number: CN202021891740.6U
Authority: CN
Inventors: 陈华; 李广东; 熊海祥
Original assignee: Nanchang Aerospace Culture Technology Co Ltd
Current assignee: Nanchang Aerospace Culture Technology Co Ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-06-08
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a ruler drawing instrument, including the top handle, top handle bottom fixedly connected with protractor, the protractor rear portion outer wall fixedly connected with lantern ring, first recess has been seted up to lantern ring inner wall both sides, the inside sliding connection of first recess has the activity to press from both sides, activity presss from both sides one side top fixedly connected with elastic band, elastic band top fixedly connected with fixture block, the welding of lantern ring outer wall one side has the lug, the fixture block is connected with the lug lock, activity presss from both sides quantity and is provided with two be connected with the ruler between the activity clamp, the inside first pivot that runs through of top handle. The utility model discloses a rotating handle of rotating the threaded rod outer wall makes the threaded rod rotate in the inside of connecting plate under the effect of bearing, and the rotation of threaded rod drives to move and presss from both sides and carry out opposite direction's slip removal under the effect of second recess, presss from both sides tightly fixedly to the pencil of different models.

Description

Ruler drawing instrument

Technical Field

The utility model relates to a ruler drawing field, concretely relates to ruler drawing instrument.

Background

The ruler drawing refers to drawing by using a ruler without scales and compasses, only the compasses and the ruler are used, the use is permitted only for a limited number of times to solve different plane geometric drawing problems, the ruler has no scales and is infinitely long, only one fixed side of the ruler can be used, only two points can be connected together by the ruler, the scales cannot be drawn on the ruler, the compasses can be opened to be infinitely wide, the scales cannot be formed on the ruler, and the ruler can be pulled to be in the length which is constructed before.

The existing ruler drawing instrument on the market is easy to break a pencil or a refill used for describing by compasses in the using process, and the pencil or the refill needs to be replaced by a matched refill, so that the number of the matched refills is limited, and the limitation of ruler drawing is increased.

Therefore, it is necessary to provide a ruler-plotter to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ruler drawing instrument, the turning handle of rotation threaded rod outer wall, make the threaded rod rotate in the inside of connecting plate under the effect of bearing, two removal of threaded rod outer wall connection press from both sides the screw thread of inner wall and set up for opposite direction, thereby the rotation of threaded rod drives to move and presss from both sides and carry out opposite direction's sliding movement under the effect of second recess, thereby it is fixed to press from both sides the pencil of different models tightly, after finishing fixedly, the upset rotates the connecting block under the effect of loose axle, make the lamination of magnet between two connecting blocks fixed, further strengthen the fixed to the pencil, thereby can match with the pencil of different models, need not to use paired refill, the limitation of device has been reduced, with the above-mentioned weak point in the solution technology.

In order to achieve the above object, the present invention provides the following technical solutions: a ruler drawing instrument comprises a top end handle, wherein the bottom of the top end handle is fixedly connected with a protractor, the outer wall of the rear part of the protractor is fixedly connected with a sleeve ring, two sides of the inner wall of the sleeve ring are provided with first grooves, movable clamps are slidably connected inside the first grooves, the top of one side of each movable clamp is fixedly connected with an elastic belt, the top of each elastic belt is fixedly connected with a fixture block, one side of the outer wall of the sleeve ring is welded with a projection, the fixture blocks are buckled and connected with the projections, the number of the movable clamps is two, a ruler is connected between the two movable clamps, a first rotating shaft penetrates through the inside of the top end handle, a first curve arc is hinged with the outer wall of the first rotating shaft, a second rotating shaft penetrates through the inside of the bottom end of the first curve arc, an arc center point is hinged with the outer wall of the second rotating shaft, a second curve arc is hinged with the outer, the third pivot outer wall articulates there is the connecting plate, connecting plate inner wall both ends are connected with the threaded rod, the second recess has been seted up to connecting plate inner wall one side, the inside sliding connection of second recess has the removal to press from both sides, remove and press from both sides and threaded rod threaded connection.

Preferably, be provided with the slipmat between activity clamp and the ruler, the slipmat is made by silica gel, the slipmat presss from both sides the phase-match with the activity.

Preferably, the bottom of the arc center point is provided with a sucker, and a telescopic belt is connected between the first curve arc and the second curve arc.

Preferably, a bearing is arranged at the joint of the connecting plate and the threaded rod, and the connecting plate is rotatably connected with the threaded rod through the bearing.

Preferably, the number of the movable clamps is two, the movable clamps are symmetrically arranged relative to the central axis of the threaded rod, and the pencils are arranged between the movable clamps.

Preferably, the movable shaft penetrates through one side of the outer wall of the movable clamp, the outer wall of the movable shaft is hinged with two connecting blocks, and two magnet blocks are connected between the two connecting blocks.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the rotating handle on the outer wall of the threaded rod is rotated, the threaded rod is rotated in the connecting plate under the action of the bearing, threads on the inner walls of the two movable clamps connected with the outer wall of the threaded rod are arranged in opposite directions, so that the movable clamps are driven to slide in opposite directions under the action of the second groove by the rotation of the threaded rod, pencils of different models are clamped and fixed, after the fixing is finished, the movable shaft is used for overturning and rotating the connecting blocks, the magnet between the two connecting blocks is attached and fixed, the fixing of the pencils is further strengthened, compared with the prior art, the device can be matched with pencils of different models, matched pen cores are not needed, and the limitation of the device is reduced;

2. through the inside with ruler slip entering lantern ring, the activity is pressed from both sides and is slided under the effect of first recess according to the length and the width of ruler, when the activity presss from both sides the slipmat that slides to the bottom and the both sides laminating of ruler, the pulling elastic band, the fixture block that makes the elastic band outer wall carries out the lock with the lug of lantern ring outer wall and fixes, thereby the position of fixed ruler, compared with the prior art, the ruler that different models were selected to the required measuring distance that goes on of drawing carries out fixed connection to this device, the practicality of device has been increased.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic rear view of the present invention;

FIG. 3 is a schematic view of the rear sectional structure of the joint between the collar and the ruler of the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 3 according to the present invention.

Fig. 5 is a schematic view of a top-view cross-sectional structure of the connection plate of the present invention.

Description of reference numerals:

the measuring tool comprises a top end handle 1, a protractor 2, a lantern ring 3, a first groove 4, a movable clamp 5, an elastic band 6, a clamping block 7, a straight scale 8, a first rotating shaft 9, a first curve arc 10, a second rotating shaft 11, an arc center point 12, a second curve arc 13, a third rotating shaft 14, a connecting plate 15, a threaded rod 16, a second groove 17, a movable clamp 18, a movable shaft 19 and a connecting block 20.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a ruler drawing instrument as shown in figures 1-5, which comprises a top end handle 1, the bottom of the top end handle 1 is fixedly connected with a protractor 2, the outer wall of the rear part of the protractor 2 is fixedly connected with a lantern ring 3, two sides of the inner wall of the lantern ring 3 are provided with first grooves 4, the inner part of each first groove 4 is slidably connected with a movable clamp 5, the top of one side of each movable clamp 5 is fixedly connected with an elastic belt 6, the top of the elastic belt 6 is fixedly connected with a clamping block 7, one side of the outer wall of the lantern ring 3 is welded with a convex block, the clamping block 7 is buckled and connected with the convex block, the number of the movable clamps 5 is two, a ruler 8 is connected between the two movable clamps 5, a first rotating shaft 9 penetrates through the inside of the top end handle 1, the outer wall of the first rotating shaft 9 is articulated with a first curve arc 10, a second, 11 outer walls of second pivot are articulated to have

arc center

12, 9 outer walls of first pivot are articulated to have second curve arc 13, the inside third pivot 14 that has run through in second curve arc 13 bottom, 14 outer walls of third pivot are articulated to have connecting

plate

15, 15 inner wall both ends of connecting plate are connected with threaded rod 16, second recess 17 has been seted up to 15 inner wall one side of connecting plate, the inside sliding connection of second recess 17 has the removal to press from both sides 18, remove and press from both sides 18 and threaded rod 16 threaded connection.

Further, in above-mentioned technical scheme, be provided with the slipmat between activity clamp 5 and the ruler 8, the slipmat is made by silica gel, the slipmat presss from both sides 5 phase-matchs with the activity, and this structure has effectively explained that the activity presss from both sides 5 and slides under the effect of first recess 4 according to the length and the width of ruler 8, and when the slipmat that the activity pressed from both sides 5 slip to the bottom was laminated with the both sides of ruler 8, pulling elastic band 6, the lug that makes the fixture block 7 of 6 outer walls of elastic band and the 3 outer walls of lantern ring carries out the lock and fixes.

Further, in the above technical solution, a suction cup is disposed at the bottom of the arc center point 12, and a telescopic belt is connected between the first curve arc 10 and the second curve arc 13, which effectively explains that the first curve arc 10 is rotated under the action of the first rotating shaft 9 according to the protractor 2, and after the position of the first curve arc 10 is determined, the arc center point 12 is rotated under the action of the second rotating shaft 11, so that the suction cup at the bottom of the arc center point 12 is aligned to the circle center point, and the telescopic belt can control the distance between the first curve arc 10 and the second curve arc 13.

Furthermore, in the above technical solution, a bearing is arranged at the connection position of the connecting plate 15 and the threaded rod 16, and the connecting plate 15 is rotatably connected with the threaded rod 16 through the bearing, which effectively explains that when the pencil needs to be replaced, the rotating handle on the outer wall of the threaded rod 16 is rotated, so that the threaded rod 16 rotates inside the connecting plate 15 under the action of the bearing.

Further, in the above technical solution, the number of the movable clamps 18 is two, the two movable clamps 18 are symmetrically arranged about the central axis of the threaded rod 16, and a pencil is arranged between the two movable clamps 18, which effectively indicates that the rotation of the threaded rod 16 drives the movable clamps 18 to slide in opposite directions under the action of the second groove 17, so as to clamp and fix pencils of different models.

The implementation mode is specifically as follows: when the device is in actual use, firstly, a ruler 8 with a corresponding model is selected according to the measuring distance needed by drawing, the ruler 8 is slid into the lantern ring 3, the movable clamp 5 is slid under the action of the first groove 4 according to the length and the width of the ruler 8, when the movable clamp 5 is slid to the non-slip mat at the bottom and is attached to the two sides of the ruler 8, the elastic belt 6 is pulled, the fixture block 7 on the outer wall of the elastic belt 6 is buckled and fixed with the projection on the outer wall of the lantern ring 3, so as to fix the position of the ruler 8, after the fixation is finished, the first curve arc 10 is rotated under the action of the first rotating shaft 9 according to the size of the arc needed to be drawn according to the protractor 2, after the position of the first curve arc 10 is determined, the arc center point 12 is rotated under the action of the second rotating shaft 11, the sucker at the bottom of the arc center point 12 is aligned with the circle center point, the second curve arc 13 is rotated under, rotate connecting plate 15 to perpendicular with the bottom under the effect of third pivot 14, further draw, compare with prior art, this device can select the ruler 8 of different models to carry out fixed connection according to the required measuring distance that goes on of drawing, has increased the practicality of device.

As shown in fig. 1-5: it has loose axle 19 to run through on one side of the removal 18 outer wall of clamp, 19 outer walls of loose axle articulate there is connecting block 20, the quantity of connecting block 20 is provided with two, two be connected with the magnet between the connecting block 20, this structure has effectively explained the upset under the effect of loose axle 19 and has rotated connecting block 20, makes the magnet laminating between two connecting blocks 20 fixed, further strengthens the fixed to the pencil.

The implementation mode is specifically as follows: this device is when in actual use, when needing to change the pencil, the turning handle of the 16 outer walls of rotating threaded rod, make threaded rod 16 rotate in the inside of connecting plate 15 under the effect of bearing, the screw thread that 16 outer wall of threaded rod connected presss from both sides 18 inner walls is the opposite direction setting for two removal, thereby the rotation of threaded rod 16 drives and removes the sliding movement who presss from both sides 18 and carry out the opposite direction under the effect of second recess 17, thereby it is fixed to press from both sides the pencil of different models, fixed back that finishes, upset rotation connecting block 20 under the effect of loose axle 19, it is fixed to make the lamination of magnet between two connecting blocks 20, further strengthen the fixed to the pencil, compared with prior art, this device can match with the pencil of different models, need not to use the pencil core of mating, the limitation of device has been reduced.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, when the device is used, firstly, a ruler 8 with a corresponding model is selected according to a measuring distance required by drawing, the ruler 8 is slid into the lantern ring 3, the movable clamp 5 slides under the action of the first groove 4 according to the length and the width of the ruler 8, when the movable clamp 5 slides until an anti-skid pad at the bottom is attached to two sides of the ruler 8, the elastic belt 6 is pulled, the fixture block 7 on the outer wall of the elastic belt 6 is buckled and fixed with the projection on the outer wall of the lantern ring 3, so as to fix the position of the ruler 8, after the fixing is finished, according to the size of an arc required to be drawn, the first curve arc 10 is rotated under the action of the first rotating shaft 9 according to the protractor 2, after the position of the first curve arc 10 is determined, the arc center point 12 is rotated under the action of the second rotating shaft 11, so that the suction cup at the bottom of the arc center point 12 is aligned with the circle center point, and the second curve arc, the connecting plate 15 is rotated to be vertical to the bottom under the action of the third rotating shaft 14, and drawing is further carried out;

referring to the attached drawings 1-5 of the specification, when the device is used and a pencil needs to be replaced, a rotating handle on the outer wall of a threaded rod 16 is rotated, the threaded rod 16 rotates inside a connecting plate 15 under the action of a bearing, threads on the inner wall of two movable clamps 18 connected with the outer wall of the threaded rod 16 are arranged in opposite directions, the movable clamps 18 are driven by the rotation of the threaded rod 16 to slide in opposite directions under the action of second grooves 17, pencils of different models are clamped and fixed, after the fixing is finished, the connecting blocks 20 are turned over and rotated under the action of movable shafts 19, so that the magnet between the two connecting blocks 20 is attached and fixed, and the fixing of the pencils is further strengthened.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. A ruler-drawing instrument comprising a top handle (1), characterized in that: the bottom of the top handle (1) is fixedly connected with a protractor (2), the outer wall of the rear part of the protractor (2) is fixedly connected with a lantern ring (3), two sides of the inner wall of the lantern ring (3) are provided with first grooves (4), the inside of each first groove (4) is slidably connected with a movable clamp (5), the top of one side of each movable clamp (5) is fixedly connected with an elastic belt (6), the top of each elastic belt (6) is fixedly connected with a clamping block (7), one side of the outer wall of the lantern ring (3) is welded with a convex block, the clamping block (7) is connected with the convex block in a buckling manner, the number of the movable clamps (5) is two, a ruler (8) is connected between the two movable clamps (5), a first rotating shaft (9) penetrates through the inside of the top handle (1), a first curve arc (10) is hinged to the outer wall of the first rotating shaft (9), a second rotating shaft (, second pivot (11) outer wall articulates there is arc center (12), first pivot (9) outer wall articulates there is second curve arc (13), second curve arc (13) bottom is inside to run through third pivot (14), third pivot (14) outer wall articulates there is connecting plate (15), connecting plate (15) inner wall both ends are connected with threaded rod (16), second recess (17) have been seted up to connecting plate (15) inner wall one side, second recess (17) inside sliding connection has the removal to press from both sides (18), remove and press from both sides (18) and threaded rod (16) threaded connection.

2. A ruler-drawing instrument according to claim 1, wherein: be provided with the slipmat between activity clamp (5) and ruler (8), the slipmat is made by silica gel, slipmat presss from both sides (5) phase-match with the activity.

3. A ruler-drawing instrument according to claim 1, wherein: the sucking disc is arranged at the bottom of the arc center point (12), and a telescopic belt is connected between the first curve arc (10) and the second curve arc (13).

4. A ruler-drawing instrument according to claim 1, wherein: the connecting plate is characterized in that a bearing is arranged at the joint of the connecting plate (15) and the threaded rod (16), and the connecting plate (15) is rotatably connected with the threaded rod (16) through the bearing.

5. A ruler-drawing instrument according to claim 1, wherein: the number of the movable clamps (18) is two, the movable clamps (18) are symmetrically arranged relative to the central axis of the threaded rod (16), and a pencil is arranged between the movable clamps (18).

6. A ruler-drawing instrument according to claim 1, wherein: the movable shaft (19) penetrates through one side of the outer wall of the movable clamp (18), the outer wall of the movable shaft (19) is hinged to a connecting block (20), two magnet blocks are arranged between the two connecting blocks (20).