CN211843854U - A multifunctional ruler - Google Patents

Abstract

The utility model relates to a teaching tool technical field, more specifically the multi-functional chi of drawing that says so can assist the user to draw the circle, can draw accurate angle line moreover. During drawing a circle, at first drive the straight line scale through adsorption magnet and adsorb on the blackboard, stimulate spacing slide bar, make the flexible screens spring of spring roof compression, then pull out flexible rotation center axle from the middle part connection base, loosen spacing slide bar, flexible screens spring promotes spacing slide bar and slides into in the spacing hole of one of them height on the flexible rotation center axle, the height of fixed flexible rotation center axle, touch the telescopic link rack when avoiding one-level liter shrinkage pole and second grade liter shrinkage pole to rotate again, then pull out one-level liter shrinkage pole and second grade liter shrinkage pole, and come control drawing circle's radius through the scale mark, place chalk or setting-out pen in setting-out pen sleeve again, then drive slide bar base and swivelling joint piece and rotate, draw out complete circular.

Description

A multifunctional ruler

technical field

The utility model relates to the technical field of teaching tools, in particular to a multifunctional drawing ruler.

Background technique

The utility model with publication number CN210234491U discloses a multifunctional drawing ruler, which includes a ruler and a handle, the handle is fixedly connected to the middle of the upper surface of the ruler, and the multifunctional drawing ruler also includes a positioning slide, a left turn ruler, and a right turn ruler With the protractor, two positioning slides are slidably connected to the lower side of the ruler. The two positioning slides are respectively connected with a left turn ruler and a right turn ruler. When not in use, the left turn ruler and the right turn ruler are both connected with the ruler. Sliding connection, a protractor is provided on the ruler. This ruler can accurately draw angled polylines or triangles, etc., and improve the quality of education. The disadvantage is that it cannot assist users in drawing circles, and cannot draw accurate angle lines.

SUMMARY OF THE INVENTION

The utility model provides a multifunctional drawing ruler, which has the beneficial effects that the multifunctional drawing ruler can assist users in drawing circles and can draw precise angle lines.

A multifunctional drawing ruler, comprising an indexing scale base, a telescopic rod for rotating an animated circle, an angle line drawing ruler and a height limit bracket, the height limit bracket is fixedly connected on the base of the indexing scale, and the rotating animation circle The telescopic rod is rotatably connected to the angle line drawing ruler, and the angle line drawing ruler is fixedly connected to the base of the graduation scale. The rotating ruler placing frame is fixedly connected to the right end of the linear scale, the telescopic rod placing frame is fixedly connected to the left end of the linear scale, the angle protractor is fixedly connected to the middle of the linear scale, and the angle drawing ruler is fixedly connected to the middle of the angle protractor.

As a further optimization of the technical solution, the multifunctional drawing ruler described in the present utility model includes a rotating connecting block, a sliding rod base, a first-level lifting rod, a second-level lifting rod and a line drawing pen sleeve. The barrel, the line drawing pen sleeve is fixedly connected to the left end of the secondary lifting rod, the right end of the secondary lifting rod is slidably connected to the primary lifting rod, the right end of the primary lifting rod is slidably connected to the sliding rod base, and the sliding rod base It is fixedly connected to the rotating connecting block, the rotating connecting block is rotatably connected to the angle line ruler, and the sliding rod base line is in contact with the telescopic rod placing frame.

As a further optimization of the technical solution, the angle line drawing ruler described in the multifunctional drawing ruler of the present invention includes an angle line drawing rotating ruler, a middle connecting base, a height limit hole and a telescopic rotation center shaft, and the telescopic rotation center shaft slides Connected to the middle connecting base, the middle connecting base is fixedly connected to the middle of the angle protractor, the angle line drawing rotating ruler is rotatably connected to the middle connecting base, and there are multiple height limit holes evenly distributed on the telescopic rotation center axis, and the angle drawing line rotates The ruler surface is in contact with the rotating ruler placing frame, and the rotary connecting block is rotatably connected to the telescopic rotation center shaft.

As a further optimization of the technical solution, the height limit bracket described in a multifunctional drawing ruler of the present invention includes a limit mounting plate, a limit sliding rod, a telescopic clamping spring and a spring top plate, and the spring top plate is fixedly connected to the limit On the sliding rod, the limit sliding rod is slidably connected to the limit installation plate, the limit installation plate is fixedly connected to the linear scale, and a telescopic clamping spring is arranged between the spring top plate and the limit installation plate.

As a further optimization of the technical solution, the multifunctional drawing ruler of the present utility model further comprises adsorption magnets, three adsorption magnets are arranged, and the three adsorption magnets are evenly distributed at the rear end of the linear scale.

As a further optimization of the technical solution, a scale line is provided on the outer walls of the first-level lifting rod and the second-level lifting and shrinking rod described in the multifunctional drawing ruler of the present invention.

The beneficial effects of the multifunctional drawing ruler of the utility model are as follows:

The multi-function ruler can pull out the first-level lift rod and the second-level lift rod from the sliding rod base, put the line drawing pen or chalk in the line drawing pen sleeve, and then pull it to make the rotating connecting block rotate , draw a circle with the liner or chalk in the sleeve of the animated liner; you can also control the diameter of the drawn circle through the tick marks on the first-level lift rod and the second-level lift rod; you can also use the Angle drawing and turning the ruler to rotate, and refer to the angle on the angle protractor to draw the line, and form a precise angle with the line drawn by the linear scale; at the same time, the linear scale can also be adsorbed on the blackboard by the adsorption magnet. , it is convenient for teachers to fix the linear scale on the blackboard and liberate the teachers' hands.

Description of drawings

The present utility model will be described in further detail below in conjunction with the accompanying drawings and specific implementation methods.

FIG. 1 is a schematic structural diagram of a multifunctional drawing ruler of the present invention.

FIG. 2 is a schematic diagram of the structure of a multi-function ruler in another direction.

FIG. 3 is a schematic structural diagram of the base of the graduation scale.

FIG. 4 is a schematic diagram of the structure of a rotating circular telescopic rod.

Figure 5 is a schematic diagram of the structure of the angle drawing ruler.

FIG. 6 is a schematic structural diagram of a height limit bracket.

In the picture: base 1 for dividing scale; 1-1 for linear scale; 1-2 for telescopic rod placement; 1-3 for angle protractor; 1-4 for rotary ruler; rotary telescopic rod 2; rotary connecting block 2-1; sliding rod base 2-2; first-level lifting rod 2-3; second-level lifting rod 2-4; line drawing pen sleeve 2-5; angle line drawing ruler 3; angle line drawing rotation ruler 3 -1; middle connecting base 3-2; height limit hole 3-3; telescopic rotation center shaft 3-4; height limit bracket 4; limit installation plate 4-1; limit sliding rod 4-2; telescopic card Position spring 4-3; spring top plate 4-4; adsorption magnet 5.

Detailed ways

Specific implementation one:

1, 2, 3, 4, 5, 6, the present embodiment will be described below. The present utility model relates to the technical field of composite heating equipment, and more specifically, to a multi-functional drawing ruler, comprising a graduated scale base 1, a rotary The animation circle telescopic rod 2, the angle line drawing ruler 3 and the height limit bracket 4, the height limit bracket 4 is fixedly connected to the graduation scale base 1, and the rotating animation circle telescopic rod 2 is rotated and connected to the angle line drawing ruler 3, the angle line ruler 3 is fixedly connected to the graduation scale base 1, and the graduation scale base 1 includes a linear scale 1-1, a telescopic rod placement rack 1-2, and an angle protractor 1-3 And the rotating ruler placing frame 1-4, the rotating ruler placing frame 1-4 is fixedly connected to the right end of the linear scale 1-1, the telescopic rod placing frame 1-2 is fixedly connected to the left end of the linear scale 1-1, and the angle measuring ruler 1- 3 is fixedly connected to the middle of the linear scale 1-1, and the angle drawing ruler 3 is fixedly connected to the middle of the angle protractor 1-3; Perform accurate reference positioning.

Specific implementation two:

1, 2, 3, 4, 5, and 6 will be used to describe this embodiment. This embodiment will further describe Embodiment 1. The rotating circular telescopic rod 2 includes a rotating connecting block 2-1 and a sliding rod base 2. -2. The first-level lifting rod 2-3, the second-level lifting rod 2-4 and the line drawing pen sleeve 2-5, the line drawing pen sleeve 2-5 is fixedly connected to the left end of the second-level lifting and shrinking rod 2-4 , the right end of the secondary lift rod 2-4 is slidably connected to the primary lift rod 2-3, the right end of the primary lift rod 2-3 is slidably connected to the slide rod base 2-2, and the slide rod base 2-2 is fixed Connected to the rotating connecting block 2-1, the rotating connecting block 2-1 is rotatably connected to the angle line ruler 3, and the sliding rod base 2-2 is in contact with the telescopic rod placing frame 1-2; in mathematics teaching, carry out When drawing a circle, first pull out the first-level lifting rod 2-3 and the second-level lifting rod 2-4, and place the chalk or line drawing pen in the line drawing pen sleeve 2-5, and then drive the sliding rod base 2-2 and the rotating connection block 2-1 are rotated to draw a complete circle.

Specific implementation three:

1, 2, 3, 4, 5, and 6 will be used to describe this embodiment, and this embodiment will further describe Embodiment 2. The angle line drawing ruler 3 includes an angle line drawing rotating ruler 3-1, a middle connection The base 3-2, the height limit hole 3-3 and the telescopic rotation center shaft 3-4, the telescopic rotation center shaft 3-4 is slidably connected to the middle connection base 3-2, and the middle connection base 3-2 is fixedly connected to the angle In the middle of the angle ruler 1-3, the angle line drawing rotary ruler 3-1 is rotatably connected to the middle connecting base 3-2, the telescopic rotation center shaft 3-4 is evenly distributed with a plurality of height limit holes 3-3, and the angle drawing rotation The surface of the ruler 3-1 is in contact with the rotating ruler placing frame 1-4, and the rotary connecting block 2-1 is rotatably connected to the telescopic rotation center shaft 3-4.

Specific implementation four:

1, 2, 3, 4, 5, and 6 will be used to describe this embodiment. This embodiment will further describe Embodiment 3. The height limit bracket 4 includes a limit installation plate 4-1, a limit slide Rod 4-2, telescopic clamping spring 4-3 and spring top plate 4-4, the spring top plate 4-4 is fixedly connected to the limit sliding rod 4-2, and the limit sliding rod 4-2 is slidably connected to the limit installation plate On 4-1, the limit mounting plate 4-1 is fixedly connected to the linear scale 1-1, and a telescopic locking spring 4-3 is arranged between the spring top plate 4-4 and the limit mounting plate 4-1; When it is round, first pull the limit sliding rod 4-2, so that the spring top plate 4-4 compresses the telescopic locking spring 4-3, pulls the telescopic rotation center shaft 3-4 out of the middle connecting base 3-2, and loosens the limit Position sliding rod 4-2, telescopic clamping spring 4-3 push the limit sliding rod 4-2 to slide into one of the height limit holes 3-3 on the telescopic rotation center shaft 3-4, and fix the telescopic rotation center shaft 3 -4 height to avoid the first-level lift rod 2-3 and the second-level lift rod 2-4 from touching the telescopic rod placement rack 1-2 when they rotate.

Specific implementation five:

1, 2, 3, 4, 5, and 6 will be used to describe this embodiment, and this embodiment will further describe Embodiment 4. The multifunctional ruler further includes an adsorption magnet 5, and the adsorption magnet 5 is provided with three The three adsorption magnets 5 are evenly distributed at the rear end of the linear scale 1-1; the linear scale 1-1 can be adsorbed to the blackboard.

Specific implementation six:

1, 2, 3, 4, 5, and 6 will be used to describe this embodiment, and this embodiment will further describe the fifth embodiment. There are scale lines on the outer wall; it is used to adjust the diameter of the drawn circle.

The working principle of the multifunctional drawing ruler of the utility model: when drawing a circle, firstly, the linear scale 1-1 is driven to be adsorbed on the blackboard by the adsorption magnet 5, and the limit sliding rod 4-2 is pulled to compress the spring top plate 4-4. Extend the locking spring 4-3, then pull out the telescopic rotation center shaft 3-4 from the middle connecting base 3-2, release the limit sliding rod 4-2, and the telescopic locking spring 4-3 pushes the limit sliding rod 4-2 Slide into one of the height limit holes 3-3 on the telescopic rotation center shaft 3-4, fix the height of the telescopic rotation center shaft 3-4, and avoid the first-level lifting rod 2-3 and the second-level lifting and shrinking When the rod 2-4 rotates again, it touches the telescopic rod placement frame 1-2, then pulls out the first-level lifting rod 2-3 and the second-level lifting rod 2-4, and controls the radius of the drawn circle through the scale line. Then place the chalk or the line drawing pen in the line drawing pen sleeve 2-5, and then drive the sliding rod base 2-2 and the rotating connecting block 2-1 to rotate to draw a complete circle. The first-level lifting rod 2-3 and the second-level lifting rod 2-4 are retracted, so that the sliding rod base 2-2 is placed on the telescopic rod placing frame 1-2. When the angle line needs to be drawn, turn the angle drawing line and turn the ruler 3 -1, and refer to the angle protractor 1-3 and the linear scale 1-1 to draw a precise angle line.

Of course, the above description does not limit the present utility model, and the present utility model is not limited to the above-mentioned examples. Changes, modifications, additions or replacements made by those of ordinary skill in the technical field within the essential scope of the present utility model also belong to the scope of the present utility model. The scope of protection of the utility model.

Claims (6)

1. The utility model provides a multifunctional drawing ruler, includes graduation scale base (1), rotates and draws circle telescopic link (2), angle setting-out chi (3) and high spacing support (4), high spacing support (4) fixed connection on graduation scale base (1), rotate and draw circle telescopic link (2) and rotate and connect on angle setting-out chi (3), angle setting-out chi (3) fixed connection is on graduation scale base (1), its characterized in that: the graduation graduated scale base (1) comprises a linear graduated scale (1-1), a telescopic rod placing rack (1-2), an angle measuring angle ruler (1-3) and a rotary ruler placing rack (1-4), wherein the rotary ruler placing rack (1-4) is fixedly connected to the right end of the linear graduated scale (1-1), the telescopic rod placing rack (1-2) is fixedly connected to the left end of the linear graduated scale (1-1), the angle measuring angle ruler (1-3) is fixedly connected to the middle of the linear graduated scale (1-1), and the angle line drawing ruler (3) is fixedly connected to the middle of the angle measuring angle ruler (1-3).

2. The multi-functional ruler of claim 1, wherein: the rotary circle drawing telescopic rod (2) comprises a rotary connecting block (2-1), a sliding rod base (2-2), a first-stage telescopic rod (2-3), a second-stage telescopic rod (2-4) and a line drawing pen sleeve (2-5), wherein the line drawing pen sleeve (2-5) is fixedly connected to the left end of the second-stage telescopic rod (2-4), the right end of the second-stage telescopic rod (2-4) is slidably connected into the first-stage telescopic rod (2-3), the right end of the first-stage telescopic rod (2-3) is connected in the sliding rod base (2-2) in a sliding mode, the sliding rod base (2-2) is fixedly connected to the rotary connecting block (2-1), the rotary connecting block (2-1) is rotatably connected to the angle line drawing ruler (3), and the sliding rod base (2-2) is in line contact with the telescopic rod placing rack (1-2).

3. The multi-functional ruler of claim 2, wherein: the angle line drawing ruler (3) comprises an angle line drawing rotating ruler (3-1), a middle connecting base (3-2), a height limiting hole (3-3) and a telescopic rotating central shaft (3-4), wherein the telescopic rotating central shaft (3-4) is connected in the middle connecting base (3-2) in a sliding manner, the middle connecting base (3-2) is fixedly connected to the middle of the angle measuring angle square (1-3), the angle line drawing rotating square (3-1) is rotatably connected to the middle connecting base (3-2), a plurality of height limiting holes (3-3) are uniformly distributed in the telescopic rotating central shaft (3-4), the angle line drawing rotating square (3-1) is in surface contact with the rotating square placing frame (1-4), and the rotating connecting block (2-1) is rotatably connected to the telescopic rotating central shaft (3-4).

4. A multi-functional drawing ruler according to claim 3, characterized in that: the height limiting support (4) comprises a limiting mounting plate (4-1), a limiting sliding rod (4-2), a telescopic clamping spring (4-3) and a spring top plate (4-4), the spring top plate (4-4) is fixedly connected to the limiting sliding rod (4-2), the limiting sliding rod (4-2) is slidably connected to the limiting mounting plate (4-1), the limiting mounting plate (4-1) is fixedly connected to the linear graduated scale (1-1), and the telescopic clamping spring (4-3) is arranged between the spring top plate (4-4) and the limiting mounting plate (4-1).

5. The multi-functional ruler of claim 4, wherein: the multifunctional drawing ruler further comprises three adsorption magnets (5), wherein the three adsorption magnets (5) are uniformly distributed at the rear end of the linear graduated scale (1-1).

6. The multi-functional ruler of claim 5, wherein: and scale marks are arranged on the outer walls of the first-stage telescopic lifting rod (2-3) and the second-stage telescopic lifting rod (2-4).

Images