CN215195356U

CN215195356U - Oval billiard ball aims training articles for use

Info

Publication number: CN215195356U
Application number: CN202120706454.6U
Authority: CN
Inventors: 刘强
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-12-17
Anticipated expiration: 2031-04-08

Abstract

An oval billiard aiming training article comprises a training disc and a training ring; the training disc comprises a pointer, a disc body and a rivet, and the aiming training of the oval billiard ball is mainly completed by respectively crossing the pointer and a first oval and a second oval engraved on the disc body to form aiming points so as to strengthen visual memory; the training ring comprises a ring body and supporting legs, is sleeved on the target ball and is used for verifying the standing distance of a billiard player and adjusting the change of the elliptical short axis; the utility model discloses according to the station position distance of billiard ball sportsman and target ball, the goal line from arbitrary angle extends and can both easily find an exact aiming point in the pattern of aiming training articles for use, and accommodation is wide, and the degree of accuracy is high, and maneuverability is strong, and is simple and clear easily master, can compensate the not enough of aiming methods such as looking for tail method, coincidence method, symmetry method and double coincidence method, aims process safe and reliable, has fine spreading value.

Description

Oval billiard ball aims training articles for use

Technical Field

The utility model belongs to the technical field of the billiard ball training of aiming, concretely relates to oval billiard ball training articles for use of aiming.

Background

The main stream methods of the prior billiard aiming have advantages and disadvantages, the tail finding method is the most basic principle of billiard aiming, the aiming point is a tail behind a target ball, theoretically, the length of a half ball of the target ball in the direction of a billiard table is overlooked, but a billiard player cannot lie right above the billiard table to aim in actual operation, so that the method has errors when aiming, particularly, the method is only the method when the billiard player is far away; the coincidence method aims according to the hitting coincidence degree of the separation angle, the mother ball and the target ball, the corresponding relation between the separation angle and the coincidence degree is recorded more complicated, the player determines the separation angle before hitting each time with great difficulty, the familiar separation angle and the coincidence degree are well aimed, but the unfamiliar separation angle is not accurate when the coincidence degree is determined by approaching each time, and the practicability is not strong; the symmetric method and the double-duplication method are more complex, difficult to master and difficult to operate.

Disclosure of Invention

For overcoming the deficiencies of the prior art, the utility model aims at providing an oval billiard ball aims training articles for the training of aiming of billiard ball motion, confirm the aiming point according to the station distance of billiard ball sportsman and target ball, the degree of accuracy is high, and maneuverability is strong, simple easy operation.

In order to achieve the above object, the utility model adopts the following technical scheme: an oval billiard aiming training article comprises a training disc and a training ring; the training disc is characterized by comprising a disc body made of two colorless transparent organic glass plates, pointers and rivets, wherein the pointers are arranged in a gap between the two colorless transparent organic glass plates; the training ring comprises a ring body made of red transparent organic glass and supporting legs, and the supporting legs are arranged on the bottom surface of the ring body.

The disc body is used for fixing the rivet and the pointer; the pointer is black and is connected with the disc body through three rivets, the middle rivet is used for centering the pointer, the middle rivet is arranged at the geometric center of the disc body, the distance between the rivets at two sides is equal to the long axis of the ellipse and is respectively positioned at two end points of the long axis of the ellipse, the rivets at two sides are used for pointer limiting, so that the pointer rotates around the center 178 degrees of the disc body, and the ball inlet line angle is really simulated; the disc body is provided with a black ellipse I, a red ellipse II and a yellow overlooking aiming point track circle on one side, and the centers of the ellipse I, the ellipse II and the overlooking aiming point track circle are superposed with the center of the disc body; the central connecting line between the cue ball and the target ball is a datum line for aiming, and the nose tip is connected with the cue ball and the target ball into a line before aiming to be stable; the pointer of the training disc rotates around the center of the orbit circles of the overlooking aiming points of the black ellipse I, the red ellipse II and the yellow, and can accurately simulate that the goal lines pass through the center of the target ball when aiming at three different angles and then are respectively crossed with the orbit circles of the overlooking aiming points of the ellipse I, the ellipse II and the yellow to form corresponding aiming points, namely goal points.

The middle round hole of the ring body is in clearance fit with the target ball, the nominal size of the middle round hole is consistent with that of the target ball, and the diameter of the excircle of the ring body is the diameter of the overlooking aiming point trajectory circle; the supporting legs are attached to the position 0.618 of the width of the ring body in a bonding mode, and the height of the supporting legs enables the plane of the ring body to be coincident with the central horizontal plane of the target ball according to the diameter of the target ball.

The major axes of the first ellipse and the second ellipse are twice the diameter of the target sphere, the ratio of the minor axis of the first ellipse to the diameter of the target sphere is 1, and the ratio of the minor axis of the second ellipse to the diameter of the target sphere is 0.5.

The area of the ellipse I is twice of the area of the target sphere and is used for aiming when a target ball is hit in a short distance; the elliptic area and the target spherical area are equal, and the elliptic area and the target spherical area are used for aiming when a target ball is hit at a long distance;

the included angle between the pointer and the central connecting line is a separation angle a; the distance L between the center connecting line and the aiming point is an eccentric distance; the central connecting line is a connecting line of the centers of the target ball and the cue ball;

the billiard aiming at any separation angle can find aiming points on the pattern of the aiming article.

The eccentric distance between the cue ball and the target ball corresponding to the same separation angle a is unchanged.

The training circular ring is sleeved on the target ball and used for verifying the standing distance of the billiard players and adjusting the change of the elliptical short axis. Observing the training circular ring on the target ball according to the two calculated standing position distances, if the ellipse formed by the circular ring is respectively consistent with the ellipse on the training disc, the standing position distance is accurate, otherwise, fine adjustment is carried out; after the billiard players are skillfully mastered with the aiming of the two station distances, in order to experience the aiming of the station distance at will, the station distance between the cue ball and the remote mobilization can be fixed unchanged, the ellipse of the training ring sleeved on the target ball with different distances from the cue ball is observed during aiming training, and then the aiming point is formed by combining the goal line.

The utility model has the advantages that:

compared with the prior aiming technology, the utility model discloses owing to adopted the specific station and the oval method of aiming the training of customizing of the billiard ball sportsman who is adapted to different heights, so have the goal line extension from arbitrary angle and can both easily find the advantage of an exact aiming point in aiming scheme picture.

Compare with current searching aimer's utensil, the utility model discloses owing to directly utilize training ring true simulation to aim at the orbit circle of all the points of aiming of tail method, overlook aiming point orbit circle promptly, after the aiming of two kinds of station distance is skilled to be mastered to the billiard player, aim for experiedly station distance at will, can fix the station distance of cue ball and the long-range mobilization and get off unchangeably, it can to observe the ellipse that the training ring of cover on the target ball with the different distances of cue ball becomes when aiming the training, it can to recombine the goal line formation aiming point, so still have the advantage that satisfies billiard player's individualized training.

The quantitative aiming method completely overcomes the defects of the billiard aiming method such as lack of feeling, wide application range, high accuracy, strong operability, simplicity, clearness and easy grasp, and can make up for some defects of aiming methods such as tail finding method, coincidence method, symmetry method and double coincidence method. The aiming process is safe and reliable, and the method has good popularization value.

Drawings

Fig. 1 is a schematic structural diagram of the training disc of the present invention.

Fig. 2 is a schematic view of the aiming scheme of the present invention.

Fig. 3(a) is a view illustrating the principle of aiming according to the present invention.

Fig. 3(b) is a top view of fig. 3(a) according to the present invention.

Fig. 3(c) is a view of the present invention from direction a of fig. 3 (a).

Fig. 4 is a schematic structural diagram of the rivet on the training disc of the present invention.

Fig. 5 is a schematic structural diagram of the training ring of the present invention.

Fig. 6 is a schematic diagram of the pointer of the present invention after rotating to the extreme positions to the left and right sides respectively.

In the figure: 1-a target ball; 2, ellipse one; 3-ellipse two; 4-a pointer; 5-looking down the aiming point trajectory circle; 6-center line; 7-aiming point two; 8-a cue ball after impact; 9; aiming at a first point; 10-aiming point three; 11-a tray body; 12-a rivet; 13-ellipse four; 14-a ring body; 15-support leg.

Detailed Description

The structure and operation of the present invention will be described in detail with reference to the accompanying drawings and embodiments.

Referring to fig. 1-5, an elliptical billiard aiming training article comprises a training disc and a training ring; the training disc is characterized by comprising a disc body 11 made of two colorless transparent organic glass plates, a pointer 4 and rivets 12, wherein the pointer 4 is arranged in a gap between the two colorless transparent organic glass plates, and the three rivets 12 connect the two superposed colorless transparent organic glass plates of the disc body 11; the training ring comprises a ring body 14 made of red transparent organic glass and supporting legs 15, and the supporting legs 15 are arranged on the bottom surface of the ring body 14.

The disc body 11 is used for fixing the rivet 12 and the pointer 4; the pointer 4 is black and is connected with the disk body 11 through three rivets 12, the middle rivet 12 centers the pointer 4, the middle rivet is arranged at the geometric center of the disk body 11, the distance between the rivets at two sides is equal to the long axis of the ellipse and is respectively positioned at two end points of the long axis of the ellipse, the rivets at two sides are used for limiting the pointer 4, so that the pointer 4 rotates around the center 178 degrees of the disk body 11, and fig. 6 shows that the included angle of the pointer after the pointer rotates to the extreme positions towards the left side and the right side respectively is 178 degrees, and the ball inlet line angle is really simulated; the disc body 11 is provided with a black ellipse I2, a red ellipse II 3 and a yellow overlooking aiming point track circle 5 on one side, the three colors are striking, the visual sense is strong, and the centers of the ellipse I2, the ellipse II 3 and the overlooking aiming point track circle 5 are superposed with the center of the disc body 11; the central connecting line 6 between the cue ball and the target ball is a reference line for aiming, the nose tip is connected with the cue ball and the target ball to form a line before aiming and stably stand, the nose tip of the dominant eye is changed into the dominant eye, and the dominant eye, the cue ball and the target ball are connected to form a line and stably stand, which is a premise of aiming, is very key and can improve the stability and accuracy of aiming; the pointer 4 of the training disc rotates around the centers of the black ellipse I2, the red ellipse II 3 and the yellow overlook aiming point trajectory circle 5, and can accurately simulate that the goal line passes through the center of the target ball when aiming at three different station positions and then respectively crosses the ellipse I2 and the ellipse II 3 to form corresponding aiming points (namely goal points).

The ring body 14 is made of a red transparent organic glass plate, the red is striking and has strong visual sense, and the outline of the target ball can be seen in a transparent state; a middle round hole in the ring body 14 is in clearance fit with the target ball 1, the nominal size of the middle round hole is consistent with that of the target ball, and the diameter of the excircle of the ring body 14 is the diameter of the overlooking aiming point trajectory circle 5; the supporting legs 15 are attached to the position 0.618 of the width of the ring body 14 in a bonding mode, close to the outer side of the ring body 14, the height of the supporting legs is enabled to be coincident with the plane of the center of the target ball according to the diameter of the target ball, the supporting legs are equally supported in the circumferential direction by 3 supporting legs, and stability is good.

The major axes of the ellipse I2 and the ellipse II 3 are twice the diameter of the target ball, the ratio of the minor axis of the ellipse I2 to the diameter of the target ball 1 is 1, and the ratio of the minor axis of the ellipse II 3 to the diameter of the target ball 1 is 0.5.

The area of the ellipse I2 is 2 times of that of the target ball 1, and the ellipse I is used for aiming when the target ball is hit in a short distance; the area of the second ellipse 3 is equal to that of the target ball 1, and the second ellipse is used for aiming when the target ball is hit at a long distance.

The included angle between the pointer 4 and the central connecting line 6 is a separation angle a; and the distance L between the center connecting line 6 and the aiming point is an eccentric distance.

The eccentric distance between the cue ball and the target ball corresponding to the same separation angle a is not changed, and the eccentric distance does not change along with the change of the short axes of the ellipse I2 and the ellipse II 3.

In the principle, the station distance is calculated according to the height of a billiard player, and then an aiming point is determined according to an aiming scheme.

The training circular ring is sleeved on the target ball and used for verifying the standing distance of the billiard player and adjusting the change of the elliptical short shaft; observing the training circular ring on the target ball according to the two calculated standing position distances, if the ellipse formed by the circular ring is respectively consistent with the ellipse on the training disc, the standing position distance is accurate, otherwise, fine adjustment is carried out; after the billiard players are skillfully mastered with the aiming of the two station distances, in order to experience the aiming of the station distance at will, the station distance between the cue ball and the remote mobilization can be fixed unchanged, the ellipse of the training ring sleeved on the target ball with different distances from the cue ball is observed during aiming training, and then the aiming point is formed by combining the goal line.

As shown in fig. 2, the aiming pattern is graphically depicted on the plate 11 of fig. 1, and when the top view angle is projected perpendicularly to the billiard table, the pointer 4 intersects the top view aiming point trajectory circle 5 to form an aiming point three 10, which is the aiming point in the tail method; when the nose tip of a billiard player is superposed with the connecting line of the centers of the cue ball and the target ball and stands at a position I (see fig. 3a), the pointer 4 and the ellipse I2 are intersected to form a first aiming point 9; when the tip of the billiard player coincides with the connecting line of the centers of the cue ball and the target ball, the billiard player stands at a position II (see fig. 3a), and the pointer 4 and the ellipse II 3 are intersected to form a second aiming point 7; at the moment, the vision of the player is stared at the aiming point, a hitting line is found between the cue ball and the aiming point, the player stands to a position suitable for hitting the ball, the player bends over to hit the cue ball respectively, the center of the cue ball is overlapped with the aiming point, and the target ball can be hit into a set bag opening accurately. The separation angle a and the eccentricity L for these three cases are unchanged, only the approach line and the geometric (circular and elliptical) aiming trajectory based on the target ball profile are changed.

The utility model discloses a theory of operation is:

taking Chinese black eight as an example, the diameter is 57.2 mm, and the working principle is described as follows:

when the billiard player looks at the target ball 1 at angle β along direction a, the top aiming point trajectory circle 5 becomes ellipse three 13 (when the plane of the circle is inclined to the plane of projection, it is projected as an ellipse). In this case, the major axis of the ellipse three 13 is the diameter of the cross-sectional aiming point trajectory circle 5, and the minor axis is the diameter of the cross-sectional aiming point trajectory circle 5, which is determined by the geometric variation of the circle and the ellipse, 2 (target sphere 1 diameter) sin β 2 57.2 sin β.

The corresponding relation between the beta angle and the common proportion of the minor axis of the ellipse three 13 to the diameter of the target ball 1 is as follows:

the ratio 0.5 corresponds to the β angle 14.4775 °, see ellipse two 3 in the aiming scheme of fig. 2;

ratio 1 corresponds to an angle β of 30 °, see ellipse one 2 in the aiming scheme of fig. 2;

ratio 2 corresponds to an angle β of 90 ° when the ellipse is a perfect circle, i.e. the top view aiming point trajectory circle 5 in the aiming solution of fig. 2.

The stand distances of the billiard players from the target ball 1 were calculated at an angle β of 30 ° and an angle β of 14.4775 ° for a table top 2800 × 1400 mm and a table top height of 850 mm, respectively.

According to the working principle, the station distance is calculated according to the height of a billiard player, and then the aiming point is determined according to the aiming scheme. Here, the stand distance of the billiard player from the target ball 1 is set to be X, the height of the billiard player's eyes from the center of the target ball (1) is set to be H, and the projection angle of the direction a is set to be β, and the calculation can be performed according to the following formula: X-H/tan β, where H-player eye-cue table height-cue radius.

If the height of the player's eyes from the billiard table surface is 800 mm, the height H of the eyes from the center of the target ball 1 is 800-57.2/2-771.4 mm, and the height H is calculated by the angle β of 30 °, that is, tan30 ° is the height of the billiard player's eyes from the center of the target ball (1)/the standing distance X of the billiard player from the target ball 1, then the standing distance of the billiard player from the target ball 1 should be 1336.1 mm, and the length of the billiard rod is nearly 1. This station distance point is said position i, corresponding to the aiming point one 9 formed by the ellipse one 2 and the pointer 4 in the aiming scheme of fig. 2.

Similarly, when calculated by the angle β of 14.4775 °, that is, tan14.4775 ° is the height of the billiards player's eyes from the center of the target ball 1/the standing distance X of the billiards player from the target ball (1), the standing distance of the billiards player from the target ball 1 should be 2987.6 mm, which is nearly the length of 2 cue sticks. This station distance point is the said position ii, corresponding to the aiming point two 7 formed by the ellipse two 3 and the pointer 4 in the aiming scheme of fig. 2.

Therefore, the billiard player can determine the corresponding aiming point by selecting the station distance according to the aiming scheme chart.

Firstly, before applying the technology, a billiard player should measure the height from the eyes to the center of the billiard ball, and calculate two kinds of standing distances according to the contents described in the technical principle (see the technical principle in the calculation process). The length of the short-distance standing position is about 1 cue, and the billiard stick is suitable for hitting billiards in a short distance; the length of 2 billiard cue in a long distance is suitable for hitting billiards in a long distance; to continue to improve accuracy, the calculated stance distance may be quantified to millimeters as a standard distance at which more exercises are routinely performed against the target ball on the table. In addition, the training circular ring can be sleeved on the target ball and used for verifying the standing position distance of the billiard player, the training circular ring on the target ball is observed according to the two calculated standing position distances, if the ellipse formed by the circular ring is respectively consistent with the ellipse on the training disc, the standing position distance is accurate, and otherwise, fine adjustment is carried out. Because the height of the billiard table, the diameter of the billiard and the height of the billiard player are generally constant, the calculation is only carried out once, and the repetition is not needed;

next, the training is performed by opening the aiming training device, and 2 methods are available. One is single person practice, the user fingers the pointer 4 by hand to observe the cross point of the pointer and the ellipse, which is the aiming point and corresponds to a unique separation angle and eccentric distance, and visual memory is formed by frequent practice; the other is a double-person practice, one person stands on a calculated standing point (2 distance constants), the other person stands on the position of the target ball to fingering the pointer, and the other person observes the intersection point of the pointer and the ellipse (the distance and the corresponding ellipse relation are described according to the technical principle) and forms visual memory through frequent practice.

After the visual memory is formed, when in actual combat aiming, the nose tip of the athlete is superposed with a connecting line of the centers of the cue ball and the target ball, and the athlete can stand stably according to the station distance; if the player has a dominant eye, the dominant eye is superposed with the connecting line of the centers of the cue ball and the target ball for aiming, the goal line extends from the goal line at any angle, an exact aiming point can be found through visual memory, at the moment, the gaze of the player needs to stare at the aiming point, a striking line is found between the cue ball and the aiming point, the player stands to a position suitable for striking the ball, the cue ball is struck when lying down, the center of the cue ball is superposed with the aiming point, and the target ball can be accurately struck into a set bag opening;

after the billiard players are skilled in aiming at two station distances, in order to experience the aim at the station distance at will, the station distance between the cue ball and the remote player can be fixed, the training circular rings sleeved on the target ball with different distances from the cue ball are observed to become ellipses with different short axes during aiming training, and then the ellipses are combined with a ball inlet line to form an aiming point. Often practised to develop a visual memory of the change in the minor axis of the ellipse when striking target balls at different distances with a fixed stance.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for the technical field, a plurality of modifications and variations can be made without departing from the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. An oval billiard aiming training article comprises a training disc and a training ring; the training disc is characterized by comprising a disc body (11) made of two colorless transparent organic glass plates, a pointer (4) and rivets (12), wherein the pointer (4) is arranged in a gap between the two colorless transparent organic glass plates, and the three rivets (12) connect the two superposed colorless transparent organic glass plates of the disc body (11); the training ring comprises a ring body (14) made of red transparent organic glass and supporting legs (15), wherein the supporting legs (15) are arranged on the bottom surface of the ring body (14).

2. An oval cue aiming training aid as claimed in claim 1 wherein the tray (11) is adapted to hold a rivet (12) and pointer (4); the pointer (4) is black and is connected with the tray body (11) through three rivets (12), the middle rivet (12) centers the pointer (4), the middle rivet is arranged at the geometric center of the tray body (11), the distance between the rivets at two sides is equal to the long axis of the ellipse and is respectively positioned at two end points of the long axis of the ellipse, and the rivets at two sides are used for limiting the pointer (4) so that the pointer (4) rotates around the center of the tray body (11) by 178 degrees; truly simulating the angle of a goal line; the disc body (11) is engraved with a black ellipse I (2), a red ellipse II (3) and a yellow overlooking aiming point trajectory circle (5) on one side, and the centers of the ellipse I (2), the ellipse II (3) and the overlooking aiming point trajectory circle (5) are superposed with the center of the disc body (11); a central connecting line (6) between the cue ball and the target ball is a datum line for aiming, and a nose tip is connected with the cue ball and the target ball to form a line before aiming to be stable; the pointer (4) of the training disc rotates around the centers of the black ellipse I (2), the red ellipse II (3) and the yellow overlook aiming point track circle (5), and can accurately simulate that a goal line passes through the center of a target ball when aiming at three different station positions and then respectively crosses the ellipse I (2) and the ellipse II (3) to form corresponding aiming points.

3. An oval billiard aiming training article as claimed in claim 1, wherein the ring body (14) has a central circular hole (14) in clearance fit with the target ball (1), the nominal size of the central circular hole is consistent with that of the target ball, and the diameter of the outer circle of the ring body (14) is the diameter of the overlooking aiming point trajectory circle (5); the supporting legs (15) are attached to the 0.618 of the width of the ring body (14) in a bonding mode, and the height of the supporting legs enables the plane of the ring body (14) to be coincident with the central horizontal plane of the target ball according to the diameter of the target ball.

4. An oval billiard aiming training article as claimed in claim 2, wherein the major axes of the first ellipse (2) and the second ellipse (3) are both twice the diameter of the target ball, the ratio of the minor axis of the first ellipse (2) to the diameter of the target ball (1) is 1, and the ratio of the minor axis of the second ellipse (3) to the diameter of the target ball (1) is 0.5.

5. An oval billiard aiming training article as claimed in claim 4, wherein the area of the oval I (2) is twice that of the target ball (1) for aiming at a short distance hit target ball; the area of the second ellipse (3) is equal to that of the target ball (1) and is used for aiming when the target ball is hit at a long distance;

an included angle between the pointer (4) and the central connecting line (6) is a separation angle a; the distance L between the central connecting line (6) and the aiming point is an eccentric distance; the central connecting line is a connecting line of the centers of the target ball and the cue ball; the billiard aiming at any separation angle can find a unique aiming point on the pattern of the aiming training article; the eccentric distance between the cue ball and the target ball corresponding to the same separation angle a is unchanged.

6. An elliptical cue aiming training aid as claimed in claim 3 wherein the training ring is adapted to fit over the target ball to verify cue player stance and to adjust for variations in the minor axis of the ellipse.