KR200482788Y1 - Golf-club for Swing Training - Google Patents

Abstract

In the present invention, it is possible to prevent the generation of errors in the sound caused by the interposition of foreign objects by providing other spheres for causing the impact sound to occur in the impact zone during the swing, and to prevent the sound from being lowered due to the built- A golf adoption shaft; Wherein a first receiving hole and a second receiving hole are formed respectively at upper and lower portions of the shaft, a cross section of the first receiving hole is formed larger than a cross section of the second receiving hole so that a step is formed at a boundary portion, A connecting portion having a striking plate formed under the two receiving holes; A second receiving hole formed in the second receiving hole; A control unit inserted into the first receiving hole and fixed to the step, the elevating body and the magnet being respectively provided on the upper and lower sides; And a club head in which a lower end of the connecting portion is inserted and fixed and in which a sound amplifying groove is formed. The gap between the magnet and the other spheres is adjusted through the lifting / lowering of the lifting body, A sound amplification groove is formed.

Description

{Golf-club for Swing Training}

More particularly, the present invention relates to a golf club for practice, and more specifically, to provide a golf ball with a ball so that a hit sound is generated in the impact zone during swing, thereby preventing occurrence of a sound error due to the presence of a foreign object, The golf clubs of the present invention can be prevented from deteriorating.

The golf swing is composed of a follow swing through the backswing, downswing, and impact zones in the address posture, and requires maximum speed and exact impact when crossing the impact zone, so a lot of swing practice is needed to improve the skill.

However, since the practice of swinging while practicing a golf ball is practicable at a place such as a field or a golf driving range, a conventional technique for a practice golf swing that can practice swing at any time without any restriction on a place, 10-0832098 (filed on May 19, 2008).

FIG. 1 is a cross-sectional view showing a lower part of a training golf club according to the related art. As shown in FIG. 1, the golf ball shown in FIG. 1 includes a moving part 3 provided at a lower portion of a golf shaft 1, The magnet 2 is fixed and the other spheres 4 are provided on the outer peripheral surface of the corresponding moving part 3. [

The other ball 4 is separated from the magnet 2 when the centrifugal force is applied during the swing and the weight 5 disposed at the lower part is separated from the magnet 2 in a state where the ball 2 is disposed on the upper part of the moving part 3 Make a sound by the price.

In addition, the other spheres 4 are adjusted in distance from the magnet 2 through the adjustment nut 6 located at the upper part thereof, and the binding force thereof is adjusted thereby to be adjusted to the user's various conditions such as the physique and the physical strength , The other balls (4) are separated from the magnet (2) at the position of the impact zone at the time of swing, so that the user can learn appropriate swing feeling.

However, in the related art, if the balls 4 are exposed to the outside of the moving part 3, foreign matter such as dust or rust is interposed in the moving part 3, a sound may be generated at a point other than the set point .

In addition, since the threading direction of the adjusting nut 6 is the same as the moving direction of the other spheres 4, the set position of the adjusting nut 6 may vary due to repetitive impact.

KR 10-0832098 B1 2008.05.19.

A problem to be solved in the present invention is to provide an exercise golf club that prevents foreign matter from being interposed on the movement lines of other spheres and prevents the sound from being deteriorated due to the provision of the golf club body in the practice golf club have.

In order to solve the above problems, a training golf club of the present invention includes: a golf club shaft; Wherein a first receiving hole and a second receiving hole are formed respectively at upper and lower portions of the shaft, a cross section of the first receiving hole is formed larger than a cross section of the second receiving hole so that a step is formed at a boundary portion, A connecting portion having a striking plate formed under the two receiving holes; A second receiving hole formed in the second receiving hole; A control unit inserted into the first receiving hole and fixed to the step, the elevating body and the magnet being respectively provided on the upper and lower sides; And a club head to which a lower end of the connecting portion is inserted and fixed. The gap between the magnet and the other spheres is adjusted through the lifting / lowering of the lifting body, and a sound amplifying groove is formed in the club head .

Further, in the training golf club of the present invention, the connecting portion is divided into a first connecting hole and a second connecting hole with one point of the second receiving hole as a boundary.

The practice golf club of the present invention is characterized in that a sound ejection hole is formed at the center of the striking plate.

The training golf club of the present invention is characterized in that the control unit includes a cylindrical case accommodated in the first accommodation hole, a magnet fixed to a lower portion of the case, a spring disposed on the magnet, And a front and rear screw provided on the circumferential surface of the connecting portion.

The training golf club of the present invention is constituted of a conical plate and a spacing rod whose outer shape is umbrella-shaped by mutual engagement of the ascending and descending bodies, a through hole through which the lower portion of the spacing rod enters and exits is formed at the center of the magnet, And the pressing tip is fixed to the end of the forward and backward screw.

In the practice golf club of the present invention, the lower surface of the conical plate is in contact with the upper end of the spring, the lower portion of the spacing rod is in contact with the upper surface of the other sphere through the through hole, .

delete

In addition, the club head may include a head body having a part of an outer surface thereof shaped as a golf ball, a coupling groove in which a lower portion of the second coupling hole is inserted and fixed is formed in the head body, And a plurality of radial holes are formed around the head body in which the striking plate is positioned when the lower portion is inserted and fixed in the engaging groove.

In addition, the practice golf club of the present invention is characterized in that the striking plate is located in the range of ± 0.25 times the diameter from the center of the head body up and down.

According to the practice golf club of the present invention, foreign matter interference is prevented through the other spheres accommodated in the second accommodation hole, and the sound is prevented from being weakened through the sound amplification grooves formed in the head body, .

In addition, according to the practice golf club of the present invention, since the forward and backward screws are provided on the circumferential surface of the connecting portion, the gap between the magnet and the other spheres due to the impact of the other ball is prevented, So that the practicality of the present invention can be improved.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front sectional view showing a main part of a golf club for practice according to the prior art; FIG.
Fig. 2 is a front view showing a practice golf club according to the present invention; Fig.
3 is a perspective view showing a training golf club according to the present invention;
4 is a rear perspective view showing a training golf club according to the present invention;
FIG. 5 is a front sectional view showing a training golf club according to the present invention; FIG.
6 is a perspective view showing a club head of a training golf club according to the present invention;

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

FIG. 2 is a front view showing an exercise golf club according to the present invention, and FIG. 3 is a perspective view showing an exercise golf club according to the present invention. 2 and 3, the present invention relates to a golf club having a shaft 10, a connecting portion 20 fixed to a lower end of the shaft 10, other balls 30 accommodated in the connecting portion 20, A control unit 40 and a club head 50 fixed to the lower end of the connection unit 20.

The shaft 10 is a shaft specially manufactured for a golf swing practice. The shaft 10 is provided with a grip 11 at its upper portion and a fastener 13 for fixing the connecting portion 20 at its lower portion.

A guide protrusion 11a for correcting the grip holding posture of the user is formed on the surface of the grip 11 and the fastener 13 is provided with a structure in which a screw is formed in a lower portion of a metallic material having an outer conical shape .

FIG. 4 is a rear perspective view showing a training golf club according to the present invention, and FIG. 5 is a front sectional view showing a golf club for practice according to the present invention. 2 to 5, the connection unit 20 is configured to connect the shaft 10 and the club head 50 and to receive the other ball 30 and the control unit 40 therein, A first receiving hole 21 for receiving the second ball 30 and a second receiving hole 22 for receiving the other ball 30 are formed in a lower portion of the first receiving hole 21, As shown in Fig. 5, the controller 40 is fixed to the step (a) formed at the boundary portion so as to be larger than the cross section of the second accommodating hole 22.

The connecting portion 20 is provided with a first connecting hole 23 and a second connecting hole 23 at one point of the second receiving hole 22 so as to receive the other ball 30 in the second receiving hole 22, 24, and the first connection port 23 and the second connection port 24 are connected to each other through a screw connection.

A screw fixing hole 27 is formed in a circumferential surface of the first connection port 23 and a forward and backward screw 47 of a control unit 40 to be described later. That is, the striking plate 25 is formed below the second receiving hole 22.

The striking plate 25 is a place where the other ball 30 fixed to the upper portion of the second receiving hole 22 by the magnet 42 of the control unit 40 is separated from the magnet 42 during the swing and collides , So that a sound is generated.

A sound discharge hole 26 is formed in the center of the striking plate 25 so that the sound is transmitted to the club head 50 through the sound discharge hole 26.

As described above, in the state where the other spheres 30 are accommodated in the second accommodating holes 22 and disposed on the upper portion of the second accommodating holes 22 by the magnets 42, And is made of a metal material resistant to impact due to its property of repeatedly colliding with the striking plate 25.

The control unit 40 is configured to adjust the separation timing of the other balls 30 according to the magnitude of the centrifugal force upon swing and includes a cylindrical case 41 accommodated in the first accommodation hole 21, A spring 43 disposed at an upper portion of the magnet 42, a lifting body 45 supported by the spring 43 and a screw fixing hole 27 of the connecting portion 20 And a forward and backward screw 47 which is installed.

The case 41 is fixed to the step a as described above and a through hole 42a through which the lower part of the lifting body 45 enters and leaves is formed in the center of the magnet 42, 45 are composed of a conical plate 45a and a spacing rod 45b which are mutually combined to form an umbrella shape and the pressing tip 47a is fixed to the end of the forward and backward screw 47. [

The forward and backward screws 47 inserted into the screw fixing holes 27 are not pulled out of the first connector 23 by the compression tip 47a.

The lower surface of the conical plate 45a contacts the upper end of the spring 43 and the lower portion of the spacing rod 45b contacts the upper surface of the other sphere 30 through the through hole 42a, The lifting body 45 is lifted by the engagement of the magnet 42 and the other spherical body 30 by the magnetic force in the state of being in contact with the conical surface of the plate 45a but is suppressed by the constraint of the compression tip 47a .

When the pushing tip 47a is moved back and forth through the forward / backward rotation of the forward / backward screw 47 in the above-described structure, the distance between the magnet 42 and the other ball 30 is increased or decreased. As a result, It is possible to adjust the separation timing of the other balls 30 through the change of the coupling force between the ball 42 and the ball 30.

By causing the forward and backward screws 47 to generate the hit sounds at the appropriate swing positions through the forward / reverse rotation, the user can learn the swing posture and the swing sense corresponding to the body shape and the physique.

The impact applied to the ascending / descending body 45 and the forward / backward screw 47 is primarily relaxed through the spring 43 during the restoration of the target 30 after the swing is finished structurally, and the centrifugal force, The forward and backward screws 47 are arranged in a structure in which the traveling directions of the guide screws 47 are orthogonal to each other so that the set position of the pressing tip 47a can be stably maintained even in repetitive impacts caused by the swing.

6 is a perspective view showing a club head of a training golf club according to the present invention. 5 and 6, the club head 50 includes a head main body 51 having a golf ball formed thereon, a fastening groove 51 formed in the head main body 51, And a sound amplification groove 55 formed in the head body 51 and the sound amplification groove 55.

The sound amplification groove 55 is constructed to compensate for a reduction in the sound volume due to the other ball 30 being received in the second accommodation hole 22. To this end, the lower portion of the second connection hole 24 is provided with a fastening groove 53 A plurality of radial ones are formed in the head main body 51 at which the striking plate 25 is brought into contact.

Concretely, interference between the sound waves passing through the head body 51, which is a solid body, and the sound waves passing through the air layer of the sound amplification groove 55 in the sound transmitted through the impact plate 25 and the sound discharge hole 26, So that the sound is amplified.

In this case, the position of the inside of the head body 51 of the striking plate 25 is set so as to be located at a position where the golf ball and the club head collide with each other (specifically, the center O of the head body 51) The shock wave generated when the impact plate 25 and the other ball 30 collide with each other is transmitted to the user through the shaft 10, I can feel golf swing feeling.

While the preferred embodiments of the present invention have been described, it should be understood that the scope of the present invention is not limited thereto and that the range of the present invention is substantially equivalent to the embodiments of the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

10: Shaft
11: grip 13: fastener
20: Connection
21: first receiving hole 22: second receiving hole
23: first connection port 24: second connection port
25: striking plate 26: sound discharge hole
27: Screw fixing hole
30: Other spheres
40:
41: Case 42: Magnet
43: spring 45: lifting body
47: forward and backward screw
50: Club Head
51: head body 53: fastening groove
55: Sound amplification home

Claims (9)

Golf adoption shaft;
Wherein a first receiving hole and a second receiving hole are formed respectively at upper and lower portions of the shaft, a cross section of the first receiving hole is formed larger than a cross section of the second receiving hole so that a step is formed at a boundary portion, A connecting portion having a striking plate formed under the two receiving holes;
A second receiving hole formed in the second receiving hole;
A control unit inserted into the first receiving hole and fixed to the step, the elevating body and the magnet being respectively provided on the upper and lower sides; And
And a lower end of the connecting portion is inserted and fixed,
The gap between the magnet and the other spheres is adjusted through the lifting / lowering of the ascending / descending body,
And a sound amplification groove is formed in the club head.
The method according to claim 1,
Wherein the connecting portion is divided into a first connecting hole and a second connecting hole with one point of the second receiving hole as a boundary.
The method according to claim 1,
And a sound discharging hole is formed in the center of the striking plate.
The method according to claim 1,
The control unit includes a cylindrical case accommodated in the first accommodation hole, a magnet fixed to a lower portion of the case, a spring disposed on the magnet, a lifting body supported by the spring, And a forward / backward screw which is provided on the front side of the golf club.
5. The method of claim 4,
Wherein the ascending and descending bodies are formed by a conical plate and a separating rod which are mutually coupled to form an elliptical shape, a through hole through which the lower portion of the separating rod goes in and out is formed in the center of the magnet, Wherein the golf club is fixed.
6. The method of claim 5,
Wherein the lower end of the conical plate contacts the upper end of the spring, the lower portion of the spacing rod contacts the upper surface of the other sphere through the through hole, and the pressing tip contacts with the conical surface of the conical plate.
delete The method according to claim 1,
The club head is formed with a head body having a part of an outer surface thereof shaped as a golf ball. A coupling groove is formed in the head body to insert and fix the lower portion of the second coupling hole. Wherein a plurality of the golf clubs are radially formed around the head body in which the striking plate is positioned when the golf club is inserted and fixed in the engaging groove.
9. The method of claim 8,
Wherein the striking plate is located in a range of ± 0.25 times the diameter of the aperture from the center of the head body.

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