CN112060813A - Angle divider capable of dividing any angle in multiple equal ways - Google Patents

Abstract

The invention relates to an angle divider that can divide any angle into multiple equal parts, comprising several sub-devices that can be combined with each other. The sub-devices include: a first swing rod, a second swing rod and an intermediate swing rod whose ends are hinged; The swing rod is provided with a slidable first slider; the second swing rod is provided with a slidable second slider; the middle swing rod is provided with a first link and a second link that can be rotated in a mirror image; the first The connecting rod is hinged with the first sliding block, and the second connecting rod is hinged with the second sliding block; the first swing rod and the second swing rod of adjacent sub-devices are snap-connected, and the first sliding block of adjacent sub-devices are connected with The second sliders are snap-connected. And also discloses a drawing method of the bisected angle and a measurement method of the bisected angle. It can now divide any angle into several equal parts and can display the angle value of each divided angle after equal division.

Description

An Angle Divider That Can Divide Any Angle

technical field

The invention relates to the technical field of drawing tools, in particular to an angle divider that can divide any angle into multiple equal parts.

Background technique

Arbitrary bisecting angles are difficult problems in geometry. At present, compasses and rulers are mostly used in geometric drawing to divide the angle equally, but these two tools cannot divide the angle arbitrarily, which has certain limitations. And in geometry, it has been proved that an angle cannot be arbitrarily divided by a ruler and a compass.

Chinese patent CN103600607B discloses an "arbitrary angle trisection instrument", which can trisect any angle in a plane. However, it has the following problems: it can only divide any angle into three equal parts, and cannot measure the angle of the divided angle.

SUMMARY OF THE INVENTION

In order to solve the technical problems existing in the background art, the present invention provides an angle divider that can divide any angle into multiple equal parts, which can now divide any angle into several equal parts and can display the angle value of each divided angle after equal division.

The technical scheme adopted by the present invention to solve its technical problems is:

An angle divider that can divide any angle into multiple equal parts, comprising several sub-devices that can be combined with each other,

Sub-devices include:

A first swing rod, a second swing rod and an intermediate swing rod with hinged ends;

A slidable first sliding block is arranged on the first pendulum rod;

A slidable second slider is arranged on the second swing rod;

A first connecting rod and a second connecting rod that can be rotated in a mirror image are arranged on the middle swing rod;

The first connecting rod is hinged with the first sliding block, and the second connecting rod is hinged with the second sliding block;

The first swing rod and the second swing rod of adjacent sub-devices are snap-connected, and the first sliding block and the second sliding block of adjacent sub-devices are snap-connected.

Further, the ends of the first link and the second link are provided with gears that mesh with each other.

Further, a slidable intermediate slider is arranged on the middle swing rod, a double-sided rack is arranged on the middle slider, and the ends of the first link and the second link are arranged with gears that engage and drive with the double-sided rack. .

Further, a scale scale is arranged on the middle pendulum rod, and the scale scale is a non-uniform scale.

Further, the first pendulum rod is provided with a first chute parallel to its length direction, and the first slider is provided with a guide pin inserted in the first chute;

The second swing rod is provided with a second chute parallel to its length direction, and the second slider is provided with a guide pin inserted in the second chute;

The middle swing rod is provided with a middle chute parallel to its length direction, and the middle slider is provided with a guide pin inserted in the middle chute.

Further, the two ends of the first swing rod and the first slider are provided with positioning grooves, the two ends of the second swing rod and the second slider are provided with positioning bosses that match the positioning grooves, and the positioning grooves are formed. The groove and the positioning boss can be buckled with each other.

Further, the outer end surface of the positioning boss is provided with a magnet, the bottom surface of the positioning groove is provided with a magnet, and the magnets of the boss and the groove can be magnetically attracted to each other.

A method for drawing an equally divided angle, comprising the following steps:

a. Take n sub-device combinations;

b. Adjust the angle between the first swing rod and the second swing rod of the sub-device, so that the first swing rod and the second swing rod at the outermost side of the combined device are aligned with the edge of the angle to be equally divided;

c. The angle between the first swing rod and the second swing rod of each sub-device is 1/n of the angle to be equally divided.

A method for measuring an equal angle, comprising the following steps:

a. Take n sub-device combinations;

b. Adjust the angle between the first swing rod and the second swing rod of the sub-device, so that the first swing rod and the second swing rod at the outermost side of the combined device are aligned with the edge of the angle to be equally divided;

c. The angle between the first swing rod and the second swing rod of each sub-device is 1/n of the angle to be equally divided, and the scale at the position corresponding to the middle slider is 1/n of the angle to be equally divided The angle value of n.

Beneficial effects of the present invention:

(1) By combining several sub-devices, it is possible to divide any angle into several equal parts, and the range of angles that can be divided into equal parts is larger.

(2) The sub-devices are snap-connected through the positioning grooves and the positioning bosses, and the combination is more convenient.

(3) The angle value of each divided angle after equal division can be displayed through the scale ruler at the corresponding position of the middle slider.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structural representation of another direction of the present invention;

Fig. 3 is the structural representation of the first pendulum rod of the present invention;

Fig. 4 is the structural representation of the second pendulum rod of the present invention;

Fig. 5 is the structural representation of the middle pendulum rod of the present invention;

6 is a schematic structural diagram of an intermediate slider of the present invention;

7 is a schematic structural diagram of the first slider of the present invention;

8 is a schematic structural diagram of a second slider of the present invention;

Fig. 9 is a kind of combined state diagram of the present invention;

Fig. 10 is another combined state diagram of the present invention;

Fig. 11 is the principle diagram of the bisection angle of the present invention;

FIG. 12 is a schematic structural diagram of another embodiment of the present invention.

In the picture:

1. The first swing rod, 2. The first link, 3. The first slider, 4. The middle swing rod, 5. The middle slider, 6. The second swing rod, 7. The second link, 8. The first Two sliders, 9. Positioning groove, 10. Positioning boss, 11. Guide pin

101. The first chute

301. The first reel

401. Intermediate shaft, 402. Intermediate chute, 403. Scale ruler

501. Double-sided rack

601. The second chute

801. The second reel

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings.

An angle divider that can divide any angle into multiple equal parts is composed of several sub-devices. When a corner is to be divided into N equal parts, N sub-devices need to be combined. The sub-device includes: a first swing rod 1 , a second swing rod 6 and an intermediate swing rod 4 hinged at the ends, and the first swing rod 1 , the second swing rod 6 and the intermediate swing rod 4 can be made of engineering plastics. In addition, the outer ends of the first swing rod 1 , the second swing rod 6 and the intermediate swing rod 4 are provided with convex points, and the convex points of the first swing rod 1 and the outer side of the first swing rod 1 are collinear, and the second swing rod The convex point of 6 is collinear with the outer side of the first swing rod 1 , and the convex point of the middle swing rod 4 is collinear with the center line of the middle swing rod 4 . When using, positioning and drawing through each convex tip can make the drawing and measurement results more accurate.

A first sliding block 3 is installed on the first pendulum rod 1, a first sliding groove 101 parallel to its length direction is opened on the first pendulum rod 1, and two sliding grooves 101 are opened on the first sliding block 3, which are inserted into the first sliding block 3. The guide pin 11 in the groove 101 and the first sliding block 3 can slide along the length direction of the first swing rod 1 . A first rotating shaft 301 is mounted on the first sliding block 3 .

A second sliding block 8 is installed on the second swing rod 6 , a second sliding groove 601 parallel to its length direction is opened on the second swing rod 6 , and two sliding blocks 8 are provided on the second sliding rod 8 , which are inserted into the second sliding block 8 . The guide pin 11 in the groove 601 and the second sliding block 8 can slide along the length direction of the second swing rod 6 . A second rotating shaft 801 is mounted on the second sliding block 8

The intermediate swing rod 4 is provided with an intermediate rotating shaft 401 , one end of the first connecting rod 2 and the second connecting rod 7 is sleeved on the intermediate rotating shaft 401 , and the first connecting rod 2 and the second connecting rod 7 can rotate relative to the intermediate rotating shaft 401 , and the first link 2 and the second link 7 rotate in a synchronous mirror image.

The end of the first link 2 is hinged with the first shaft 301 of the first slider 3 , and the end of the second link 7 is hinged with the second shaft 801 of the second slide 8 .

In order to realize the synchronous mirror rotation of the first connecting rod 2 and the second connecting rod 7, it can be realized in various ways, and two embodiments are listed below for specific description.

Example 1

As shown in Figures 1-8, an intermediate sliding block 5 is provided on the intermediate swing rod 4, an intermediate sliding groove 402 parallel to its length direction is provided on the intermediate rocking rod 4, and an intermediate sliding block 5 is provided on the intermediate sliding block 5. Guide pin 11 in slot 402. The intermediate slider 5 is provided with a double-sided rack 501 , and the ends of the first link 2 and the second link 7 are provided with gears that mesh with the double-sided rack 501 for transmission. The middle pendulum rod 4 is provided with a scale 403 for marking the angle. Since the position of the middle slider 5 corresponds to the unique angle between the first swing rod 1 and the second swing rod 6, the value of the scale scale 403 at the position where the middle slider 5 is located corresponds to the unique first swing rod 1 and the included angle of the second pendulum rod 6, so the corresponding angle value is marked on the scale ruler 403, and the first pendulum rod 1 and the first pendulum rod 1 and the first pendulum rod 1 can be measured by the reading of the scale ruler 403 at the position of the middle slider 5. The included angle of the two pendulum rods 6 . For ease of reading, the scale scale 403 is a non-uniform scale with every 5° as a grid unit.

Example 2

As shown in FIG. 12 , the ends of the first connecting rod 2 and the second connecting rod 7 are provided with gears that mesh with each other, and the first connecting rod 2 and the second connecting rod 7 realize synchronous mirror rotation through the meshing transmission between the gears. Effect.

For ease of use, the sub-devices are in a detachable combination, and bolts, snaps, magnets and other methods can be used to achieve an easy-to-assemble combination. In the specific embodiment, the first swing rod 1 of the adjacent sub-device It is snap-connected with the second swing rod 6, and the first slider 3 and the second slider 8 of the adjacent sub-devices are snap-connected. In detail, the two ends of the first swing rod 1 and the first slider 3 are provided with positioning grooves 9 , and the two ends of the second swing rod 6 and the second slider 8 are provided with matching positioning grooves 9 . The positioning boss 10 is an interference fit between the positioning groove 9 and the positioning boss 10, so as to realize the mutual engagement between the two. Further, in order to make the fastening between the positioning groove 9 and the positioning boss 10 more reliable, the outer end surface of the positioning boss 10 is equipped with a magnet, the bottom surface of the positioning groove 9 is equipped with a magnet, and the positioning boss 10 and the positioning boss 10 are installed with magnets. The magnets of the positioning groove 9 can magnetically attract each other, and the connection between the positioning boss 10 and the positioning groove 9 is further strengthened by the magnetic attraction between the positioning boss 10 and the magnets of the positioning groove 9 .

This device can be used for both the drawing of the bisected angle and the measurement of the bisected angle, specifically:

Drawing equal angles, including the following steps:

a. Take n combinations of sub-devices, the first swing rod 1 and the second swing rod 6 of the adjacent sub-devices are connected by the corresponding positioning groove 9 and the positioning boss 10 through the snap connection, and the first sliding rod of the adjacent sub-device is connected. The block 3 and the second sliding block 8 are snap-connected through the corresponding positioning grooves 9 and the positioning bosses 10 .

b. Adjust the angle between the first swing bar 1 and the second swing bar 6 of the sub-device so that the outermost first swing bar 1 and the second swing bar 6 of the combined device are aligned with the edge of the angle to be equally divided.

c. The angle between the first swing bar 1 and the second swing bar 6 of each sub-device is 1/n of the angle to be equally divided, and the middle swing bar 4 of each sub-device is connected to the first swing bar 1 and the second swing bar 1/n. The included angle between the swing rods 6 is 1/2n of the angle to be equally divided, and each angle can be equally divided by the convex points on the first swing rod 1, the second swing rod 6 and the middle swing rod 4. Lines are positioned accurately.

To measure the bisector angle, include the following steps:

a. Take n combinations of sub-devices, the first swing rod 1 and the second swing rod 6 of the adjacent sub-devices are connected by the corresponding positioning groove 9 and the positioning boss 10 through the snap connection, and the first sliding rod of the adjacent sub-device is connected. The block 3 and the second sliding block 8 are snap-connected through the corresponding positioning grooves 9 and the positioning bosses 10 .

b. Adjust the angle between the first swing rod 1 and the second swing rod 6 of the sub-device so that the outermost first swing rod 1 and the second swing rod 6 of the combined device are aligned with the sides of the angle to be equally divided.

c. The angle between the first pendulum rod 1 and the second pendulum rod 6 of each sub-device is 1/n of the angle to be equally divided, and the reading of the scale scale 403 at the position corresponding to the middle slider 5 is the to-be-divided angle The angle value of 1/n of the equally divided angle.

Taking the above ideal embodiments according to the present invention as inspiration, and through the above description, relevant personnel can make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims (9)

1. a kind of angle divider that can divide any angle more equally, it is characterized in that, comprise several sub-devices that can be combined with each other, The sub-devices include: A first swing rod (1), a second swing rod (6) and an intermediate swing rod (4) with hinged ends; A slidable first slider (3) is provided on the first swing rod (1); A slidable second sliding block (8) is provided on the second swing rod (6); A first connecting rod (2) and a second connecting rod (7) that can be rotated in a mirror image are arranged on the intermediate swing rod (4); The first connecting rod (2) is hinged with the first sliding block (3), and the second connecting rod (7) is hinged with the second sliding block (8); The first pendulum rod (1) and the second pendulum rod (6) of the adjacent sub-devices are connected by snap connection, and the first slider (3) and the second slider (8) of the adjacent sub-devices are buckled connect. 2. a kind of angle divider that can divide any angle more equally according to claim 1, is characterized in that, The ends of the first connecting rod (2) and the second connecting rod (7) are provided with gears that mesh with each other. 3. a kind of angle divider that can divide any angle more equally according to claim 1, is characterized in that, A slidable intermediate slider (5) is arranged on the intermediate swing rod (4), a double-sided rack (501) is arranged on the intermediate slider (5), and the first connecting rod (2) and the The end of the second connecting rod (7) is provided with a gear that meshes with the double-sided rack (501). 4. a kind of angle divider that can divide any angle more equally according to claim 5, is characterized in that, A scale scale (403) is provided on the intermediate pendulum rod (4), and the scale scale (403) is a non-uniform scale. 5. a kind of angle divider that can divide any angle more equally according to any one of claim 1-4, it is characterized in that, The first swing rod (1) is provided with a first chute (101) parallel to its length direction, and the first slider (3) is provided with a first chute (101) inserted in the first chute (101) guide pin (11) in the The second swing rod (6) is provided with a second chute (601) parallel to its length direction, and the second slider (8) is provided with a second chute (601) inserted in the second chute (601). guide pin (11) in the An intermediate chute (402) parallel to its length direction is provided on the intermediate swing rod (4), and a guide pin inserted in the intermediate chute (402) is provided on the intermediate sliding block (5) Column (11). 6. a kind of angle divider that can divide any angle more equally according to any one of claim 1-4, it is characterized in that, The two ends of the first swing rod (1) and the first slider (3) are provided with positioning grooves (9), and the two ends of the second swing rod (6) and the second slider (3) are provided with positioning grooves (9). The block (8) is provided with a positioning boss (10) matched with the positioning groove (9), and the positioning groove (9) and the positioning boss (10) can be engaged with each other. 7. a kind of angle divider that can divide any angle more equally according to claim 6, is characterized in that, The outer end surface of the positioning boss (10) is equipped with a magnet, the bottom surface of the positioning groove (9) is equipped with a magnet, and the magnets of the positioning boss (10) and the positioning groove (9) can magnetically attract each other . 8. the drawing method of a kind of bisected angle, use a kind of angle divider that can divide any angle more equally according to any one of claim 1-7, it is characterized in that, comprise the steps: a. Take n combinations of the sub-devices; b. Adjust the angle between the first swing rod (1) and the second swing rod (6) of the sub-device, so that the first swing rod (1) and the second swing rod (6) at the outermost side of the device after assembly are Align the sides of the angle to be equally divided; c. The included angle between the first swing rod (1) and the second swing rod (6) of each sub-device is 1/n of the angle to be equally divided. 9. a method for measuring an equally divided angle, using a kind of angle divider that can divide any angle in multiple equal parts according to claim 4, is characterized in that, comprises the steps: a. Take n combinations of the sub-devices; b. Adjust the angle between the first swing rod (1) and the second swing rod (6) of the sub-device, so that the first swing rod (1) and the second swing rod (6) at the outermost side of the device after assembly are Align the sides of the angle to be equally divided; c. The angle between the first swing rod (1) and the second swing rod (6) of each sub-device is 1/n of the angle to be equally divided, and the scale scale at the position corresponding to the middle slider (5) (403) is the angle value of 1/n of the angle to be equally divided.

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