JP3066538U - Golf sighting device - Google Patents

Abstract

(57) [Summary] [Problem] To provide a golf sighting device that does not require a user to use the training sighting and the official game. A grip holder having a C-shaped cross section detachably attached to a golf shaft rod or a grip, and a main body rotatably provided on the connection pillar. A positioning unit 50 for fixing the main body 40 to the connecting column 27;
And a switch 70 for controlling the on / off of the laser beam unit 60 and a power supply provided on the main body 40 for supplying power to the laser beam unit 60. .
This golf aiming device is fixed at a position where the grip 15 and the shaft rod 10 are adjacent to each other. Since it is removable, there is no need to use it separately for practice or for official games.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a golf aiming device.

[0002]

[Prior art]

 According to the golf club disclosed in U.S. Pat. No. 5,404,290, a laser beam unit is provided on a grip of a golf club, and a through hole and a control button are provided on the grip. A reflection mirror is installed inside and outside the through hole, and a circular reflection mirror is installed below the external reflection mirror. A battery is mounted inside the grip. When the button is pressed, a marking line perpendicular to the plane where the ball is hit is projected on the head, so that you can aim. However, the device is expensive because it must be purchased with a golf push rod. Also, this club is for practice and you have to prepare another club for the game, but changing the club is not convenient.

According to the golf club disclosed in US Pat. No. 5,611,739, a head of a push rod is provided with a golf sighting device. A marking line perpendicular to the plane on which the ball is hit is projected from the device. The advantage of this golf sight is that it can be sold on its own. However, the golf sighting device has a drawback that it is installed above the head and is in the field of view of the user when used. Also, if a golf sighting device is provided on the head, the weight increases, which affects the operation of the push rod.

According to the golf club disclosed in US Pat. No. 5,725,440, a recess is provided in the grip of the push rod to accommodate a device for projecting laser light. A reflection mirror is installed at the bottom end of the shaft rod of the push rod and reflects light 90 ° outward to form a marking line. However, it is expensive because a new push rod must be purchased.

According to the club disclosed in US Pat. No. 5,707,296, both ends of a push rod head are provided with devices for projecting laser light, respectively. With these devices, two parallel marking lines are generated. However, it is expensive because a new push rod must be purchased. You also have to prepare another club for the official game, but changing the club is not convenient.

[0006]

[Problems to be solved by the invention]

 According to the golf club disclosed in the above-mentioned U.S. Pat. No. 5,404,290, a single marking line is projected on the floor, so that the user can clearly see the line. According to the clubs disclosed in the other three patents, one or two marking lines perpendicular to the hitting surface of the ball are projected by a laser beam, and these marking lines are used as aiming lines. However, this line is not projected on the floor surface, and is a parallel light ray that is generated at a predetermined height from the floor surface. When a user looks at this line from above, the marking line is difficult to see. It is hard to see especially when the surroundings are bright.

According to the golf clubs disclosed in US Pat. No. 5,464,222 and US Pat. No. 5,464,221, a laser beam unit is provided at a connection between a head of a push rod and a shaft rod. However, this golf club has the disadvantages of being expensive, having to use the club for an official game or practice, and having indistinct marking lines.

Accordingly, the present invention has been made to solve the above-mentioned problem, and an object of the present invention is to provide a golf aiming device that does not require a user to use a practice target or an official match.

Another object of the present invention is to provide a golf sighting device that projects one clear marking line on the floor. Another object of the present invention is to provide an easy-to-carry golf sighting device provided on a shaft rod or a grip of a push rod.

[0010]

[Means for Solving the Problems]

 A golf aiming device for achieving the above-mentioned object is provided with a grip holder having an elongated body having a C-shaped cross section which has a connecting post protruding and is detachable from a shaft rod or a grip of a golf club; Main body rotatably mounted on the main body, a positioning unit for fixing the main body to the connecting column, a laser beam unit provided inside the main body and forming a marking line on the projection surface, and on / off of the laser beam unit And a power supply provided in the main body for supplying power to the laser beam unit.

[0011]

[Embodiment of the invention]

 Hereinafter, embodiments of the present invention will be described with reference to the drawings.

As shown by the dotted lines in FIG. 2, FIG. 4 or FIG. 5, according to the golf sighting device according to the embodiment of the present invention, the grip holder 20 is locked to the shaft rod 10 or the grip 15. As shown in FIG. 5, in this embodiment, the grip holder 20 is locked at an end adjacent to the shaft rod 10 and the grip 15, and the position is fixed by the locking unit 30. The grip holder 20 can be removed from the grip 15. The connection pillar of the grip holder 20 protrudes. The main body 40 is provided on the connection column 27 so as to be able to rotate 360 ° along the connection column 27.

The positioning unit 50 fastens the main body 40 to the connection column 27, determines an angle between the main body 40 and the connection column 27, and fixes the angle. The laser beam unit 60 is housed in the main body 40 and forms a marking line 100 as shown in FIGS. The switch 70 is provided on the main body 40 and controls on / off of the laser beam unit 60. The touch button 80 is provided on the main body 40 and starts the laser beam unit 60 when pressed. The power supply 90 is provided in the main body 40 and supplies power to the laser beam unit 60.

As shown in FIGS. 4 and 5, the grip holder 20 has a substantially elongated shape, and has an axial hole 21 provided along the longitudinal direction of the central portion. Its cross section is C-shaped, and a small-diameter end 22 and a large-diameter end 23 are formed. Notches 24 are formed on both sides of the lower portion of the grip holder 20. Grip portions 25 and 26 are formed at the front and rear of the notch 24, that is, at the tip of the small-diameter end portion 22 and at the connection point between the small-diameter end portion 22 and the large-diameter end portion 23, respectively. Sandwich.

As shown in FIG. 5, FIG. 7 and FIG. 9, a U-shaped notch 231 and an elongated groove 234 are provided along the longitudinal axis at the center of the wall of the large-diameter end 23. . An elongated flexible portion 232 is formed around the notch 231. A locking convex point 233 is formed on the inner bottom of the free end of the flexible portion 232 in the direction of the small-diameter end 22.

The locking unit 30 has a C-shaped cross section, and is locked outside the large-diameter end 23. The convex arms 31 are fitted into the positions corresponding to the concave grooves 234, respectively, and move along the concave grooves 234. As shown in FIGS. 9 and 10, there is a wedge-shaped convex portion 32 at a position corresponding to the flexible portion 232. As shown in FIGS. 2, 4 and 7, a concave groove 33 is provided in an upper wall portion of the wedge-shaped convex portion 32 corresponding to the convex arm 31. As shown in FIG. 9, when the grip holder 20 is sandwiched between the golf clubs, the locking unit 30 comes closest to the inside of the main body 40. The convex portion 32 is not pushed by the flexible portion 232. The user grasps the concave groove 33 of the locking unit 30 and moves the locking unit 30 rightward in FIG. 9 to the outermost side. As a result, the convex portion 32 of the locking unit 30 pushes the flexible portion 232 of the grip holder 20 to bend inward. In other words, it grips the grip 15. Since the grip 15 is firmly sandwiched between the grip holders 20, no vertical movement or horizontal rotation occurs.

As shown in FIGS. 4, 6 and 8, the grip holder 20 is provided with a connection column 27 which projects vertically to the outside at a position corresponding to the notch 24 of the small diameter end 22. A thread 271 is provided on the outer wall of the connection column 27. The upper surface 272 is arc-shaped, and has a convex column 273 at the center. A through hole 274 is formed at the center of the convex column 273. A screw hole 51 is provided at the center of the positioning unit 50, and is screwed into a screw thread 271 of the connection column 27.

As shown in FIG. 8, a circular concave surface 52 dented inward is provided above the positioning unit 50. The main body 40 is formed by connecting a lower shell 42 to an upper shell 41 with two bolts 43. A concave hole 421 is provided on the right side of the lower shell 42. A through hole 422 is provided at the center of the inner bottom of the concave hole 421, and the wall of the concave hole 421 forms a shoulder 423 around the through hole 422. A concave groove 424 is formed above the shoulder 423. The upper shell 41 has a column 411 formed thereon. The bottom end of the column 411 is fitted into the groove 424. A shaft hole 412 is formed at the center of the bottom surface of the column 411. The bolt 43 is screwed into the shaft hole 412 from the outside of the lower shell 42 via the concave groove 424 and the through hole 422, and connects the upper shell 41 and the lower shell 42. At the center of the bottom surface of the lower shell 42, a connecting portion 425 protrudes inward in an arc shape. A through hole 426 is provided at the center of the connection portion 425. The outer wall surface of the connection portion 425 has a circular concave surface 427 that is depressed inward. Correspondingly, there is a circular arc surface 428 projecting outward on the inner wall surface of the connection portion 425. The convex column 273 is passed through the through hole 426, and the circular concave surface 427 is disposed on the circular arc surface 272 of the connecting column 27.

The lock unit 44 is disposed on the circular arc surface 428 of the lower shell 42, and has a screw hole 441 at the center. The bottom surface of the lock unit 44 is a circular concave surface 442 for placement on the arc surface 428. The bolt 45 is passed through the through hole 274 from the bottom of the grip holder 20 and screwed into the screw hole 441 of the lock unit 44 to connect the main body 40 to the connection column 27. In order to adjust the angle of the main body 40, the bolt 45 and the lock unit 44 are not fixed.

As shown in FIG. 6, since the through hole 426 of the main body 40 is larger than the outer diameter of the convex column 273, the main unit 40 can rotate 360 ° around the convex column 273, and the arc surface 272 and the circular concave surface 427. The upward and downward inclination can be adjusted by the radius of curvature of the arc surface 428 and the circular concave surface 442. After adjusting the angle, the positioning unit 50 is rotated upward, and the main body 40 is fixed by catching the circular outer surface of the lower shell 42 with the circular concave surface 52.

As shown in FIGS. 6 and 8, the laser beam unit 60 is fitted into concave grooves 413 and 429 provided in the upper shell 41 and the lower shell 42 of the main body 40 in advance. The laser beam unit 60 projects a single straight line onto the floor using a mirror. This is the same method that is often used when projecting animated movies and the like with laser beams, and is an existing technology.

As shown in FIGS. 8, 9 and 11, a circuit board 46 is provided inside the main body 40 and connected to the laser beam unit 60. As shown in FIG. 11, the switch 70 and the touch button 80 are also connected to the circuit board 46. The power supply 90 includes a battery box 91 in which two mercury batteries 92 are stored.

As shown in FIG. 3, the battery box 91 is fitted into a storage base hole 401 provided in the main body 40 in advance. The local portion of the mercury battery 92 is exposed from the battery box 91. The circuit board 46 is provided with two conductive plates 461 on the upper and lower sides, which are connected to the battery surfaces exposed from the upper and lower parts of the battery box 91, respectively, to supply necessary power to the laser beam unit 60.

As shown in FIG. 12, when the power of the mercury battery 92 is insufficient, the battery box 91 is taken out with the attached tweezers 95, and after replacing the mercury battery 92, the battery box 91 is returned to the original position. Concave portions 402 are provided on both sides of the accommodation hole 401, respectively. A concave groove 911 is provided on each side of the battery box 91. The tweezers 95 has two parallel support arms 951, and a hook 952 is provided at the tip of the support arm 951. The support arm 951 is inserted into each of the two concave portions 402 of the main body 40, and the hook 952 is hooked on the two concave grooves 911 of the battery box 91, and the battery box 91 is taken out. After removing the tweezers 95 and replacing the mercury battery 92, the battery box 91 is placed in the accommodation hole 401 again.

As shown in FIGS. 12 and 14, a golf sighting device is attached to an end of the grip holder 20 adjacent to the shaft rod 10 and the grip 15. Next, the locking unit 30 is moved, and the grip 15 is securely tightened so as not to move. When the switch 70 is turned on, the laser beam unit 60 projects one marking line 100 on the floor. At this time, the positioning unit 50 is removed, the angle of the main body is adjusted, and the marking line 100 is aligned with the marking 18 at the point where the ball is hit. As the marking line 100 passes through the marking 18 at the point of hitting the ball, the marking line 100 is perpendicular to the plane 19 at which the ball is hit. When making adjustments, the majority of the marking line 100 must be in front of the ball hitting surface 19 to guide the direction of the ball hitting. After the adjustment, the aiming device for golf can be fixed only by tightening the positioning unit 50.

The user may press the touch button 80 and project the marking line 100 for aiming from the laser beam unit 60. While the touch button 80 is pressed to confirm the aiming accuracy, the marking line 100 appears. However, if the touch button 80 is not pressed, the marking line 100 disappears. A timer circuit may be provided on the circuit board for convenient operation by the user. When the user presses the touch button 80, the display line 100 disappears after appearing for several seconds.

The advantage of the present invention is that it is detachable, so that the user can practice by placing the device on a push rod. For official matches, this device can be removed, and no club changes are required. Further, since the device is fixed at a position where the grip 15 and the shaft rod 10 are adjacent to each other, the user can pay attention to the head 16 and the hole 120 instead of the device when practicing. There is no obstruction to the visual field or the effect of foreign matter adhering to the head. In addition, the small volume of the device makes it easy to carry and can be placed in a golf club bag or user's pocket.

[Brief description of the drawings]

FIG. 1 is a front view illustrating a golf sighting device according to an embodiment of the present invention.

FIG. 2 is a plan view showing a golf sighting device according to an embodiment of the present invention;

FIG. 3 is a rear view of the golf sighting device according to the embodiment of the present invention;

FIG. 4 is a left side view showing the golf sighting device according to the embodiment of the present invention;

FIG. 5 is a bottom view of the golf sighting device according to the embodiment of the present invention;

FIG. 6 is a sectional view taken along line AA of FIG.

FIG. 7 is a sectional view taken along the line BB of FIG. 4;

FIG. 8 is an exploded cross-sectional view of the golf sighting device according to the embodiment of the present invention;

FIG. 9 is a sectional view taken along line CC of FIG. 1;

FIG. 10 is a cross-sectional view illustrating a state in which the locking unit of the golf sighting device according to the embodiment of the present invention is locked.

FIG. 11 is a sectional view taken along line DD of FIG. 1;

FIG. 12 is a cross-sectional view illustrating a state in which a grip of a golf sighting device according to an embodiment of the present invention sandwiches a battery box;

FIG. 13 is a schematic view showing a use state of the golf sighting device according to the embodiment of the present invention;

FIG. 14 is a schematic view illustrating a use state of the golf sighting device according to the embodiment of the present invention;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Shaft rod 15 Grip 16 Club head 20 Grip holder 22 Small diameter end 23 Large diameter end 24 Notch 25, 26 Grip part 27 Connecting column 30 Locking unit 31 Convex arm 32 Convex part 33 Recessed groove 40 Body 41 Upper shell Body 42 Lower shell 43 Bolt 44 Lock unit 45 Bolt 46 Circuit board 50 Positioning unit 51 Screw hole 52 Circular concave surface 60 Laser beam unit 70 Switch 80 Touch button 90 Power supply 91 Battery box 92 Mercury battery 95 Tweezers 100 Marking line 110 Golf ball 120 Hole 231 U-shaped notched groove 232 Flexible portion 233 Locking convex point 234 Long concave groove 271 Thread 272 Circular surface 273 Convex column 274 Through hole 401 Housing hole 402 Recess 411 Column 412 Shaft hole 413 Concave groove 4 1 recessed hole 422 through hole 423 a shoulder 424 groove 425 connecting portion 426 through hole 427 circular concave 428 arcuate surface 429 groove 441 threaded hole 442 circular concave 461 conductive plate 911 groove 951 support arm 952 hooks

Claims (12)

[Utility model registration claims] An elongated grip holder having a C-shaped cross section detachably attached to a shaft rod or a grip of a golf club, and a main body rotatably provided on the connection pillar. A positioning unit for fixing the main body to the connection pillar; a laser beam unit provided inside the main body and forming a marking line on a projection surface; a switch for controlling on / off of the laser beam unit; And a power supply provided to the laser beam unit for supplying power to the laser beam unit. 2. The golf sighting device according to claim 1, wherein the main body has a touch button for activating the laser beam unit. 3. The golf sighting device according to claim 1, wherein the main body has a timer circuit that turns off the laser beam unit after a predetermined time has elapsed when the touch button is pressed. 4. The connecting post has a thread at the top and a through hole at the center of the top surface, the main body has a through hole at the bottom, and penetrates the through hole of the connecting post and the through hole of the main body. A bolt that is screwed into the lock unit and connects the connection post to the main body; the connection post is screwed into a screw hole provided in the center of the positioning unit, and the main body is fixed to the connection post. 2. The golf sighting device according to claim 1, wherein: 5. The connecting post has an arcuate shape whose upper surface protrudes to the outside, and a protruding post having a through hole formed at the center and protruding to the outside at the center thereof is provided. The lock unit is provided on the bottom inside the main body and has a circular concave surface formed on the bottom surface thereof. The circular concave surface of the unit and the radius of curvature of the bottom inside the main body are the same, the convex column is housed in a through hole in the bottom of the main unit, and the main unit is rotatably provided around the convex column. The aiming device for golf according to claim 4, wherein: 6. The golf sighting device according to claim 5, wherein the positioning unit is provided at a bottom portion of the main body, and supports the bottom portion of the main body when moving upward. 7. The grip holder has a small-diameter end and a large-diameter end, a flexible portion that can be bent inward at the large-diameter end, and is engaged with an inner bottom of a free end of the flexible portion. A convex point is provided, and the locking unit reciprocates outside the large-diameter end portion and bends the flexible portion inward by a convex portion provided at a position corresponding to the flexible portion. The aiming device for golf described in the above. 8. The large-diameter end portion has a groove formed on an outer wall thereof, the locking unit has a protruding arm at a position corresponding to the groove, and the protruding arm is the same as the locking unit. 8. The golf sighting device according to claim 7, wherein the guide is inserted into the groove so that the grip holder can reciprocate by the guide of the groove. 9. The aiming device for golf according to claim 7, wherein said connecting post is provided at said small diameter end. 10. The power supply according to claim 1, wherein the main body has an accommodation base hole in which the power supply is detachably provided, and a battery box in which a predetermined number of batteries are disposed is provided in the power supply. Item 2. A golf sighting device according to Item 1. 11. The battery is a mercury battery having an upper surface and a lower surface exposed from the battery box, a circuit board provided with two upper and lower conductive plates inside the main body, and The golf sighting device according to claim 10, wherein a plate is connected to an exposed surface of the battery, and the switch and the laser beam unit are connected to the circuit board. 12. The accommodation base hole is provided with two concave portions capable of accommodating two support arms of tweezers, and the free end of the support arm is formed in a concave groove corresponding to the concave portion provided in the battery box. The golf sighting device according to claim 10, further comprising a hook for hooking the battery box out of the main body.