JP7162938B2 - golf putting practice machine - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a golf putting practice machine, and more particularly, when a golf ball is hit with a hitting surface of a putter head and rolled to a target point during putting, the target point to hit and roll the golf ball is. After setting the ball so that it is on the vertical plane of the hitting surface, it is possible to repeat the action of hitting the ball while maintaining the setting angle before hitting, at the moment of hitting, and after hitting. The present invention relates to a putting practice machine for improving putting motion.
The present invention also includes a fastening aid unit for fastening the putter head to the mounting portion of the golf putting practice machine.
This application claims priority based on Korean Patent Application No. 10-2019-0053418 filed on May 8, 2019 (title of invention: golf putting practice machine and fastening aid unit for putter head). All contents disclosed in the specification and drawings of are incorporated into this application.

Putting refers to the stroke of putting a golf ball on the green into a hole cup using a putter. In putting, it is important to rotate the putter head so that it is parallel to the line connecting the target point and the golf ball. Therefore, many devices have been proposed for practicing such putting.
FIG. 1 is a perspective view showing an example of a putting practice machine.
As shown, the putting trainer 100 includes two parallel tracks 110 and a mount 130 that moves along the parallel tracks 110 . When a golf ball is hit with a putter head (not shown) coupled to the mounting portion 130, the mounting portion 130 moves along the parallel track 110, so that the putter head swings along the parallel track 110 in a target direction. It is possible to practice
However, while the trajectory drawn by the putter head at the time of putting varies depending on the height, arm length, batting motion, etc. of the hitter, the trajectory of the parallel track 110 is fixed. There is a problem that the mounting part 130 may be separated from the parallel track 110 later, which makes it difficult to practice sufficiently.
In addition, since the putter head is fastened on the shaft connecting the two wheels of the putting practice machine 100, the position of the putter head is higher than that of the putter head in the actual field. is performed under different conditions.

In the putting swing exercise in which a golf ball is hit with a putter head and rolled to a target point, the target point of hitting and rolling the golf ball is on the vertical plane of the hitting surface of the putter head. To provide a golf putting practice machine which enables practice by continuously repeating a swing motion of hitting a golf ball with a putter head while maintaining it before, at the moment of hitting and after hitting.
It is another object of the present invention to provide a golf putting practice machine that keeps the state of close contact between the putter head and the mounting portion and between the mounting portion and the parallel track before hitting, at the moment of hitting, and after hitting. .
It is another object of the present invention to provide a golf putting practice machine that allows the ball to be hit at the same height as the putter head in the actual field.
It is another object of the present invention to provide a fastening aid unit for fastening a putter head to a mounting portion of a golf putting training machine so that putting practice can be performed using a normal putter head.

In order to achieve the above object, the golf putting training machine according to the present invention is provided with a base 1, which is mounted on the base 1 so as to be swingable about a rotation shaft 32, has a circular shape, and has parallel tracks 18. and a rotating shaft 32 provided at the center of the swinging body 2, which is attached to one or both sides of the swinging body 2 so that both sides of the swinging body 2 alternately move up and down. It includes an elastic member 20 that applies an elastic force so as to swing up and down, and a mounting portion 4 that can move along parallel tracks. The mounting portion 4 is formed so that the putter head can be detachably attached thereto.
The mounting portion 4 moves along the parallel track 18 due to the movement of the putter head during putting, and the swinging body 2 is moved by the elastic force of the elastic member 20 corresponding to the trajectory drawn by the putter head (preferably, the circular trajectory). Both sides of the swinging body 2 alternately move up and down around the rotating shaft 32 while withstanding the pressure, thereby maintaining the state in which the mounting portion 4 and the parallel line 18 are in close contact with each other. Since the putter head can be maintained in close contact with the putter head, the putter head can be moved along the parallel track 18 even if the height, arm length, hitting motion, etc. of each hitter are different.
The elastic member 20 is preferably attached between the base 1 and the swing body 2 . The elastic members 20 can be attached to both sides of the swinging body 2 around the rotating shaft 32. At this time, even when the mounting part 4 is positioned at the center of the swinging body 2, both sides of the swinging body 2 are pushed upward. receive elastic force. As an alternative to this, the elastic member 20 can be attached only to one side of the swinging body 2 around the rotating shaft 32. If both sides of the oscillating body 2 maintain the same height equilibrium state and the mounting part 4 moves to one side of the oscillating body 2 to which the elastic member 20 is attached, the oscillating body to which the elastic member 20 is attached One side of the oscillating body 2 receives an upward elastic force, and when the mounting portion 4 moves to the other side, one side of the swing body 2 to which the elastic member 20 is attached receives an elastic force to pull it downward.
Two parallel lines 18 may be provided in parallel along the longitudinal direction of the swing main body 2 . The mounting portion 4 includes two wheels 3 mounted movably along two parallel tracks, a connecting member 50 connecting the two wheels, and a connecting member 50 projecting from the connecting member 50 to fasten the putter head. and projections 5,25 inserted into the grooves 22,23.
The connecting member 50 may include both side ends 16 to be fastened to the wheel, and a central part 52 connecting the both side ends 16 and having the protrusions 5 and 25 formed thereon.
The central portion 52 is formed at a lower height than the side portions 16 and has a width that is at least wider than the putter head, thereby allowing the putter head to hit the golf ball at a lower height.
The fastening aid units 41, 42, 43, 44 according to the present invention may include a body with grooves 37, 45, 46, 47 formed thereon and fastening means for fastening the body to the putter head. Projecting portions 5 and 25 of the mounting portion are detachably inserted into the grooves.
The main body may be formed in a flat plate shape so as to cover one surface of the putter head.
The fastening means may include hooks 38 attached to both sides of the main body and elastic cords 36, 39 attached to the hooks 38 to connect the putter head and the main body.

ADVANTAGE OF THE INVENTION This invention has the following effects.
First, the golf ball is hit with the putter head while maintaining a state in which the target point to hit and roll the golf ball is on the vertical plane of the hitting surface of the putter head before, at the moment of hitting, and after hitting. You can practice by continuously repeating the swing motion of hitting.
Second, even if the hitter's height, arm length, hitting action, etc., are different, the putter head and the mounting part, and the mounting part and the parallel line are in close contact before hitting, at the moment of hitting, and after hitting. can be maintained.
Third, the hit is made at the same height as the putting head on the actual field.
Fourth, providing a fastening auxiliary unit for fastening the putter head to the mounting portion of the golf putting practice machine, so that the general putter head can be used for putting practice.

1 is a perspective view showing an example of a conventional putting practice machine; FIG. FIG. 10 is a diagram showing a putting trajectory; 1 is a perspective view showing a base, a swing body and a mounting portion of a putting practice machine according to the present invention; FIG. It is the perspective view which showed the inclined board of the putting practice machine. FIG. 4 is an enlarged view of a cross section taken along line aa' of FIG. 3, showing how the putter head is fastened; FIG. 5 is a view showing a cross section along b-b' in FIG. 4; Fig. 10 is a perspective view showing a putter head that can be fastened to the mounting portion; FIG. 11 is a perspective view showing another putter head that can be fastened to the mounting portion; 4 is an enlarged view of a portion indicated by reference numeral 6 in FIG. 3; FIG. FIG. 4 is a cross-sectional view showing an example in which a putter head is fastened to a projecting portion; FIG. 4 is a cross-sectional view showing a coupling relationship between a wheel and parallel lines; FIG. 11 is a cross-sectional view showing another coupling relationship between the wheel and the parallel line; FIG. 10 is a perspective view showing another example of a wheel; FIG. 11 is a partial perspective view showing another example of parallel lines; FIG. 4 is a cross-sectional view showing an elastic member attached to a base; FIG. 4 is a cross-sectional view showing an elastic member attached to a base and a swing main body; It is the figure which expanded the P part of FIG. 15b. FIG. 10 is a cross-sectional view showing a case where the swinging main body swings while the wheel moves as the putter head hits. FIG. 4 is a cross-sectional view showing an adjusting screw for adjusting the elastic force of an elastic member; FIG. 5 is a cross-sectional view showing a modified example of a base, a swinging body attached to the base, and an elastic member supporting the swinging body; FIG. 4 is an exploded perspective view showing a coupling relationship between a wheel and a connecting member; It is the perspective view which showed the fastening assistance unit. FIG. 20 is a perspective view showing how the putter head is fastened to the auxiliary fastening unit of FIG. 19; FIG. 20 is a cross-sectional view showing how the putter head is fastened to the mounting portion through the auxiliary fastening unit of FIG. 19; FIG. 11 is a perspective view showing another fastening assist unit; FIG. 23 is a cross-sectional view showing how the putter head is fastened to the mounting portion through the fastening auxiliary unit of FIG. 22 ; FIG. 4 is a perspective view showing an elastic cord; It is the perspective view which showed the modification of an elastic cord. FIG. 11 is a perspective view showing still another fastening assist unit; FIG. 11 is a perspective view showing still another fastening assist unit;

Hereinafter, the present invention will be described in detail with reference to the attached drawings. Prior to this, the terms and words used in the specification and claims should not be construed as being limited to their ordinary or dictionary meaning, and the inventors themselves have It should be interpreted with the meaning and concept according to the technical idea of the present invention according to the principle that the concept of the term can be properly defined. Therefore, the embodiments described in this specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention, and do not represent all the technical ideas of the present invention. It should be understood that there may be various equivalents and modifications that could be substituted for them at the time of filing.

FIG. 2 is a diagram showing a putting locus. In the putting action, the golf ball is hit with the putter head 13 by swinging motion on the circumference 34 of the clock weight centering on the center point 40 of both shoulders and rolls in the target direction. The putting practice machine according to the present invention assists the swinging motion so that the hitting surface of the putter head forms a plane perpendicular to the target direction during the swinging motion on the circumference.

FIG. 3 is a perspective view showing a base, a swing body and a mounting portion of the putting practice machine according to the present invention, FIG. 4 is a perspective view showing an inclined plate of the putting practice machine, and FIG. Fig. 3 is a cross-sectional view along aa';
As illustrated, the putting practice machine includes a base 1, an inclined plate 8, a swinging body 2 swingably attached to the base 1, a mounting portion 4 movably attached to the swinging body 2, It includes an elastic member 20 that applies an elastic force to the oscillating body 2 .
The base 1 is a substantially rectangular frame, and the swing main body 2 is attached to the inner space thereof. Rotating shaft coupling holes 33 are formed in two opposing sides among the four sides of the base 1 , and a locking step 7 is formed in the side facing the tip of the swing body 2 . A locking groove 12 of the inclined plate 8 is attached to the locking step 7 .

As shown in FIGS. 4 and 6, the inclined plate 8 has an inclined upper surface. The inclined plate 8 includes a ball groove 17 formed in its longitudinal direction, a ball connecting band 10 connected to the golf ball 9, and a locking device 11. As shown in FIG.
A golf ball 9 is rotatably attached to one end of the ball connecting band 10, and a locking tool 11 is formed at the other end. A circumferential groove 21 is formed on the outer peripheral surface of the golf ball 9, and one end of the ball connecting band 10 is connected to the groove 21 so that the golf ball 9 can rotate.
The ball connecting band 10 is inserted into and attached to the ball travel valley 17. When the golf ball 9 is hit, the golf ball 9 and the ball connecting band 10 move up along the slope and return to the slope. come down along At this time, if the latch 11 is caught on the upper end of the inclined plate 8, the golf ball 9 stops and returns to its original position.
The swing main body 2 is attached to the base 1 so as to be swingable. Specifically, the swing main body 2 includes two parallel lines 18 formed along its longitudinal direction and a rotary shaft 32 inserted into a rotary shaft coupling hole 33 formed in the base 1 .
The two parallel lines 18 have a concave curved track, and have a structure that is low in the center and becomes higher toward both ends. A wheel 3 moves along said track.
Preferably, the two parallel tracks 18 have a curvature larger than the trajectory of the putter head during putting, so that the movement of the wheel 3 during putting causes the oscillating body 2 to oscillate about the axis of rotation 32. will come to More preferably, the two parallel tracks 18 have a circular trajectory (a circular trajectory that is part of a circle) having a greater curvature than the trajectory drawn by the putter head during putting.
A vacant space is provided between the two parallel tracks 18, and the inclined plate 8 and the mounting portion 4 are attached to the vacant space.
The rotating shaft 32 is formed so as to protrude outward from both sides of the center of the rocking body 2 and is inserted into a rotating shaft coupling hole 33 formed in the base 1 .
Preferably, the swinging body 2 further includes a cover 2a and a notch 2b formed in the cover 2a. The cover 2 a is formed long along the longitudinal direction of the parallel line 18 above the parallel line 18 . The cover 2a serves to prevent the wheel 3 from coming off when hitting.
The notch 2b is formed by cutting out the cover 2a, and when attaching the mounting portion 4 to the parallel track 18, the wheel 3 and both side ends 16 can be inserted and attached through the notch 2b.
The attachment portion 4 is a portion that is fastened to the putter heads 13 and 24 and is attached to the parallel line 18 so as to be movable along the parallel line 18 . The mounting portion 4 includes two wheels 3 , a connecting member 50 connecting the two wheels 3 , and projecting portions 5 and 25 projecting from the connecting member 50 .

As shown in FIGS. 5, 11 and 12, the wheels 3 are rotatably installed on both side ends 16 of the connecting member 50. As shown in FIGS. Therefore, both side ends 16 are connected to the wheel 3 via bearings 19 .
A groove 27 is formed in the outer peripheral surface of the wheel 3 along the circumferential direction. The groove 27 is for preventing the wheel 3 from coming off the parallel track 18 and is preferably formed so as to conform to (correspond to) the shape of the parallel track 18 .

On the other hand, as shown in FIGS. 13 and 14 , when the parallel line 18 is formed with the unevenness 31 , the outer peripheral surface of the wheel 30 may be formed with unevenness corresponding to the unevenness 31 .
Connecting member 50 includes side ends 16 and a central portion 52 between side ends 16 . Wheels 3 are rotatably provided on both side end portions 16 , and projecting portions 5 are formed on the central portion 52 . The central portion 52 is formed with a height lower than that of the side end portions 16 and has a width wider than the width of the putter heads 13 and 24 .
The central portion 52 is formed at a lower height than the side end portions 16 so that the putter heads 13, 24 can hit the golf ball at the same height as the actual field. If the connecting member 50 is formed in a straight line, the putter heads 13 and 24 are separated from the ground by the radius of the wheel 3 and the height of the rotary shaft coupling hole 33, which is different from the actual field hitting condition. Therefore, in the present invention, the center portion 52 is made lower than the side end portions 16 and the projecting portions 5 and 25 are formed in the center portion 52 so that the putter heads 13 and 24 can be fastened to the projecting portions 5 and 25. The width of the central part 52 is made wider than the width of the putter heads 13, 24. - 特許庁
The projecting portions 5 and 25 are portions projecting from the connecting member 50 and are inserted into the fastening grooves 22 and 23 of the putter heads 13 and 24 . The fastening grooves 22 and 23 are formed upward from the lower surfaces of the putter heads 13 and 24 .
The protrusions 5 and 25 are preferably formed to match the fastening grooves 22 and 23. However, various shapes may be used so that the protrusions 5 and 25 and the fastening grooves 22 and 23 are not separated from each other. can be formed in any shape. This is because if the protruding portions 5 and 25 and the fastening grooves 22 and 23 are detached and separated, the swing advancing direction of the putter heads 13 and 24 may deviate from the parallel line direction of the parallel track 18 .
The elastic member 20 is provided on the base 1 . FIG. 15b is a diagram showing the elastic member 20 provided between the base 1 and the swing body 2, but in a state where the putter heads 13 and 24 are not hitting, that is, the wheel 3 is swinging. It shows a state in which it is positioned at the center of the moving body 2 . 15a shows the elastic member 20 with the rocking body 2 removed.

As shown in FIGS. 15a-15c, the central portion of the elastic member 20 is fixed to the base 1, and both ends are provided to elastically support the swing body 2. As shown in FIGS. Therefore, the elastic member 20 is elongated along the longitudinal direction of the oscillating body 2 and has a radius of curvature smaller than that of the oscillating body 2 . It is preferable to apply an elastic force to the swinging body 2 in the direction of the arrow.
On the other hand, the drawing shows a form in which one elastic member 20 is fixed at its central portion to the base 1 and extends to both sides, but two separate elastic members 20 are provided on both sides, respectively. good too.
In addition, although the drawing shows a mode in which the elastic member 20 extends to both sides around the rotating shaft 32, the elastic member 20 extends around the rotating shaft 32 on one end side of the oscillating main body 2 (that is, when the elastic member 20 engages). It may extend only in the direction of the stop step 7). At this time, if the wheel 3 is at the center position of the oscillating body 2, both ends of the oscillating body 2 are positioned at the same height from the base 1, and the wheel 3 moves between the two ends along the parallel track 18. Correspondingly, the elastic member 20 applies a pushing elastic force and a pulling elastic force to the swing body 2 .

Figure 15d shows the case where the putter head 13, 24 is hit. With the putting practice machine arranged so that the parallel track 18 is directed to the target point, hitting is performed in a state where the hitting surfaces of the putter heads 13 and 24 form a plane perpendicular to the direction toward the target point.
At this time, the mounting portion 4 moves along the parallel track 18 together with the putter heads 13 and 24, thereby causing the swing body 2 to swing about the rotation shaft 32, but the elastic member 20 moves in the direction of the arrow. is applied to the swinging main body 2 to bring the parallel track 18 and the wheel 3 into close contact, and the mounting portion 4 and the putter heads 13 and 24 are brought into close contact. moves along the parallel line 18, and the hitting surfaces of the putter heads 13 and 24 keep a constant angle toward the target direction before hitting, at the moment of hitting, and after hitting.
As described above, the golf putting practice machine according to the present invention hits the golf ball with the hitting surfaces of the putter heads 13 and 24 and rolls the golf ball to the target point when the putting motion is performed. After setting a point on the vertical plane of the hitting surface, the ball can be repeatedly practiced by hitting the ball while the hitting surface maintains the setting angle before hitting, at the moment of hitting and after hitting.
The elastic force of the elastic member 20 can be increased or decreased as required. For example, as shown in FIG. 16, the elastic force of the elastic member 20 may be adjusted by providing an adjusting screw 35 under the elastic member 20 and adjusting the height of the adjusting screw 35 .

FIG. 17 is a cross-sectional view showing a modification of the elastic member 20a. The elastic members 20a are springs attached to both sides of the rotating shaft 32, respectively. The springs 20a are provided on both sides of the rotary shaft 32, and apply an elastic force to the oscillating body 2 to push the oscillating body 2 upward.
An elastic plate such as a leaf spring may be attached between the base 1 and the swing body 2 instead of the elastic spring 20a.
On the other hand, in the present invention, the putter heads 13 and 24 and the mounting portion 4 are fastened by inserting the projecting portions 5 and 25 into the fastening grooves 22 and 23 of the putter heads 13 and 24, respectively. Therefore, fastening grooves 22 and 23 should be formed in the lower surfaces of the putter heads 13 and 24 .
However, if the fastening auxiliary unit is used, even a normal putter head without fastening grooves 22 and 23 can be fastened to the mounting portion 4 . As shown in FIGS. 19-21, the fastening aid unit 41 includes a body and fastening means for fastening the body to the putter heads 13,24.
The main body has a flat plate shape including grooves 37 and receiving portions 48 . The projecting portion 5 is inserted into the groove 37 and fastened. The receiving portion 48 is a portion that protrudes in an L shape from the lower end of the main body and supports the putter heads 13 and 24 .
Fastening means include a hook 38 attached to the body and an elastic string 36 tied to the hook 38 . Hooks 38 are provided on one side of the body, preferably on both sides of the body. 20 and 24, the elastic string 36 is an elastic string, and both ends thereof are connected to hooks 38 to fix the putter heads 13, 24 to the main body.
Elastic cord 36 may be provided in a variety of configurations. For example, as shown in FIG. 25, elastic cords 39 may be provided in the form of a net.

On the other hand, FIG. 22 shows a modification of the auxiliary fastening unit. A fastening auxiliary unit 42 differs from the fastening auxiliary unit 41 described above in that a groove 45 is formed on the side surface of the main body. As shown in FIG. 23, the projecting portion 5 is inserted and fastened between the hitting surface of the putter head 13 and the side surface of the main body (that is, the groove 45).

26 and 27 are still other modifications of the fastening assist unit. The fastening assist unit 43 of FIG. 26 has only one groove 46 formed inside the body, and the fastening assist unit 44 of FIG. is formed on the side surface of the main body, and is differentiated from the above-described fastening auxiliary unit. The method of coupling the fastening assist units 43 and 44 to the putter head is the same as the method described above.

REFERENCE SIGNS LIST 1 base 2 rocking main body 2a cover 2b notch formed in the cover 3, 30 wheel 4 mounting portion 5, 25 projecting portion 7 locking step 8 inclined plate 9 golf ball 10 ball connecting band 11 locking tool 12 engagement Retaining grooves 13, 24 Putter head 14 Striking surface 15 Shaft 16 End of connecting member 17 Ball progression trough 18 Parallel track 19, 26 Bearing 20, 20a Elastic member 21 Circumferential groove 22, 23 Fastening groove 27, 28 Wheel outer peripheral surface Circumferential groove 31 Concavo-convex 32 Rotating shaft 33 Rotating shaft coupling hole 34 Circumference 35 Adjusting screw 36, 39 Elastic string 37, 45, 46, 47 Groove 38 Hook 40 Center point of rotational orbit of putter head 41 , 42, 43, 44 fastening auxiliary unit 48 receiving portion 50 connecting member 52 central portion of connecting member

Claims (5)

a base;
a swinging body attached to the base so as to be swingable about a rotating shaft 32 formed at the center thereof, provided with a parallel track, and having a curvature larger than the trajectory drawn by the putter head during putting;
an elastic member attached to one or both sides of the oscillating body with respect to the rotating shaft 32 and applying an elastic force so that both ends of the oscillating body alternately move upward and downward;
a mounting portion movable along the parallel track;
The mounting portion is formed so that the putter head is detachable,
When the putter head moves during putting, the mounting portion moves along the parallel track, and the swinging main body is centered on the rotating shaft 32 while resisting the elastic force of the elastic member corresponding to the trajectory drawn by the putter head. , both tips alternately move up and down, thereby maintaining a state in which the mounting portion and the putter head are in close contact while maintaining a state in which the mounting portion and the parallel line are in close contact. characterized by
Golf putting practice machine. The elastic member is an elastic spring or an elastic plate mounted between the base and the swinging body, and moves the swinging body in response to the movement of the mounting portion along the parallel line. 2. The golf putting training machine according to claim 1, wherein an elastic force is applied to the swinging body to push it up or pull it down. Two of the parallel lines are provided parallel to each other along the longitudinal direction of the swinging body, and the mounting portion includes two wheels mounted movably along the two parallel lines, and two wheels. 2. The golf putting training machine of claim 1, further comprising: a connection member connecting the wheels; The connecting member includes both side end portions 16 that are connected to the wheel, and a central portion 52 that connects the both side end portions 16 and is formed with the projecting portion. 4. The method of claim 3, characterized by being formed at a lower height than the end portion 16 and having a width that is at least wider than the putter head, thereby allowing the putter head to hit a golf ball at a lower height. golf putting practice machine. 4. The golf putting practice of claim 3, wherein the rocking body includes a cover, and the cover is elongated along the parallel line above the parallel line to prevent the wheel from coming off. machine.

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