JP2930946B1 - Golf practice table - Google Patents

Abstract

To provide a golf practice table with a simple configuration, which can incline a platform in a desired direction and angle, and which enables efficient practice. A tilting table (9) comprising a bat part (12) and a ball part (13) is provided on a table part (3). The hollow hemisphere 2 is provided on the lower surface of the tilting table 9. The hemisphere 2 is tiltably supported on a substantially hemispherical hollow hemisphere support 4 provided on the base. A long hole 2a and a long hole 4a are respectively formed at the bottoms of the hemisphere 2 and the hemisphere support 4 so that the longitudinal directions are orthogonal to each other.
Is provided to penetrate through. The tilting table 9 is maintained in a desired tilt direction and angle by tightening or releasing the tightening member having the core bolt 6 inserted into these long holes. On the ball portion 13, a carpet 13a made of a material that leaves traces of the club at the time of impact is laid, a plurality of ball locking members 14 made of a durable and springy material are protruded, and a golf ball mounting member is mounted at the center thereof. A mark 13b indicating the expected position is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a golf practice table, and more particularly, to a golf practice table with a simple structure, in which the platform can be tilted to a desired direction and angle, and which allows efficient practice. Things.

[0002]

2. Description of the Related Art Conventionally, in a golf driving range, a trainee stands on a batting table provided on a flat place, and hits a golf ball set on a ball table provided in front of the base to hit a shot. I am practicing. However, actual golf courses are built on undulating terrain, and thus often encounter uphill, downhill, toe-up, and toe-down lie. Such shots are generally difficult, and practitioners want to practice shots on sloping terrain.

[0003] Therefore, the batting table and the ball table are moved in desired directions.
A golf practice table that can be inclined at an angle has been proposed. For example, in Japanese Utility Model Laid-Open Publication No. 61-180071, the back of the base is supported at three points so as to be freely tilted, one point is connected to a fixed support, and the other two points are connected to jacks. There is disclosed a golf practice table having a configuration in which the base is inclined by causing the golf practice table to be tilted. In addition, Japanese Unexamined Patent Publication
Japanese Patent Application Laid-Open No. 3-206268 discloses a golf practice table having the same configuration as described above and configured to adjust the inclination angle of the base section by a reduction motor attached to two jacks. Further, a golf practice table using a hydraulic mechanism as a mechanism for tilting and maintaining the platform has been proposed.

[0004]

However, the golf practice table described in the above-mentioned Japanese Utility Model Application Laid-Open No. 61-180071 has to adjust two jacks, and the operation is complicated. On the other hand, in a golf practice table described in Japanese Patent Application Laid-Open No. 63-206268 and a golf practice table using a hydraulic mechanism, since a deceleration motor, a hydraulic pump, and the like are used, the apparatus becomes complicated and large. Had been done. Therefore, the manufacturing process and cost increase, and
It was difficult to move to any location and install it. In addition, since they include electrical elements, they cannot be used in places without a power supply. Further, there is a drawback that a complicated structure is likely to cause a failure and a maintenance cost is required.

The present invention has been proposed to solve the above-mentioned problems of the prior art, and an object thereof is to achieve a mechanism for tilting and maintaining the base with a simple configuration utilizing a hemisphere. Accordingly, it is an object of the present invention to provide a golf practice table that is small, has excellent cost performance, has few failures, is easy to operate, and can be easily installed and used even in a place without a power supply.

It is another object of the present invention to support the hemispherical support at the upper inner edge of the hemisphere, and to form an appropriate gap between the lower surface of the bottom of the hemisphere and the upper surface of the bottom of the hemispherical support. An object of the present invention is to provide a golf practice table having excellent stability by being configured to support a hemisphere.

Still another object is to provide a golf practice table excellent in stability and durability by providing a hemisphere and a hemisphere support portion, which are tilting / maintenance mechanisms, in a direction deviated in the direction toward the batting area. At the same time, it is possible to reduce the weight of the base member, thereby facilitating the transportation of the device and reducing the cost.

It is another object of the present invention to provide a golf club having a ball portion made of a material that leaves a trace of a club at the time of impact, and marking the ball portion with a golf ball mounting position. And the practice of a desired shot by a trainee using a mark and a mark of the club without actually using the golf ball.

Still another object is to provide a simple structure and a golf ball can be placed on an inclined surface by projecting a plurality of tough and springy ball locking members at appropriate positions of the ball portion. To be able to practice efficiently.

[0010]

According to one aspect of the present invention, there is provided a golf practice table for practicing a shot at various inclinations, comprising a base, The base has a base that is tiltably supported. The base includes a tilting base including a hitting part and a ball part, and a hollow provided on the lower surface of the tilting base with the opening side up. The hemisphere is tiltably supported by a hollow hemisphere support portion having a substantially hemispherical shape or a hemispherical shape provided on the base with the opening side facing upward, and the hemisphere is formed of a hemisphere. A long hole is provided through the bottom, and a long hole having a longitudinal direction substantially perpendicular to the longitudinal direction of the long hole is provided through the bottom of the hemispherical bearing portion. A fastening member having a core bolt to be inserted; By tightening or releasing the insert hole provided through the core bolt above the tilting table, and maintains the tilting table in a desired tilt direction and tilt angle.

By taking such measures, the golf practice table according to the present invention is provided with a long hole at the bottom of the hemisphere and the bottom of the hemisphere support portion so that the longitudinal directions thereof are substantially orthogonal to each other. As a result, the hemisphere can be inclined in various directions and angles, and can be fixed and maintained with a core bolt. Further, the tightening may be performed by operating one tightening member, and the inclined surface can be easily achieved. Furthermore, since it has a simple configuration, it can be downsized, the manufacturing cost is low, and there are few failures. Further, since it does not include an electric element, it can be used even in a place without a power supply.

Here, the hemispherical bearing portion may be of any configuration that can support the hemisphere so as to be tiltable and can maintain and fix the hemisphere and, consequently, the tilting table by fastening with a fastening member. Configuration.

That is, according to a second aspect of the present invention, in the golf practice table according to the first aspect, the hemispherical bearing portion supports the hemisphere at an upper inner edge thereof and a bottom portion of the hemisphere. It is characterized in that an appropriate gap is formed between the lower surface and the upper surface of the bottom of the hemispherical support so as to support the hemisphere.

By taking such measures, the tightening of the hemisphere and the hemisphere supporting portion effectively works, and the base is stably maintained. It is also considered that a gap between the lower surface of the bottom of the hemisphere and the upper surface of the bottom of the hemisphere supporter plays a role of packing, and the tightening effect is increased.

[0015] Here, the "moderate gap" means that the hemispherical bearing is formed by using a hemisphere having an inner diameter slightly smaller than the outer diameter of the hemisphere, for example, an inner diameter smaller by the thickness of the hemisphere. Can be formed.

The hemisphere and the hemisphere support can be provided at the center of the pedestal and the base, respectively.

That is, according to a third aspect of the present invention, in the golf training table according to the first or second aspect, the hemisphere and the hemisphere support portion are provided so as to be deviated in the direction toward the batting area. It is characterized by being.

By adopting such means, the pedestal is supported in the vicinity of the position where the trainee with the highest load is placed, so that the stability and durability are excellent. In addition, it is possible to reduce the weight of the base member, thereby facilitating the transportation of the golf practice table and reducing the cost.

According to a fourth aspect of the present invention, in the golf training table according to the first, second or third aspect, the ball portion is made of a material that leaves a trace of the club at impact. The part is marked with a mark indicating a golf ball mounting expected position.

By taking such measures, it is possible to judge the suitability of a shot from the marks and marks of the club at the time of impact. In addition, even if the golfer does not actually hit the golf ball, the player can efficiently perform the desired practice using the marks and marks of the club. You can practice.

Here, as a material that leaves traces of the club, a carpet-like material whose head flutters can be used. Further, the mark can be formed by coloring with paint or the like or projecting a thread or the like.

The invention according to claim 5 is the invention according to claims 1, 2,
The golf practice table according to 3 or 4, wherein a plurality of ball locking members for locking a golf ball, which are made of a durable and springy material, are protruded from the ball portion. And

[0023] By adopting such means, the golf ball can be locked with a simple configuration. Further, since the ball locking member is durable and has a spring property, it can return to the original state even if it is dropped by a shot.

Here, the ball locking member may be provided in any manner as long as the golf ball can be locked on the inclined surface. However, when the four ball locking members are provided so as to abut against the golf ball, respectively. Even when the pedestal is tilted in various directions and angles, the golf ball can be prevented from rolling and the shot can be practiced efficiently. As a strong and springy material, a fishing line-like material made of a resin such as nylon can be used.

[0025]

Embodiments of the present invention will be described below in detail with reference to the drawings. In FIG. 1, a golf practice table 1 generally includes a base 3 having a hemisphere 2, a base 5 having a hemisphere support 4, and a fastening member having a core bolt 6.

As shown in FIG. 2, which is a rear view of the base 3, the base 3 is provided with a tilting table 9 mounted and fixed on a frame 8.
And the hemisphere 2 attached to the center of the back surface of the tilting table 9
And four oblique members 10 for reinforcing the tilting table 9
And two lateral members 11.

As shown in FIG. 4, the upper surface of the tilting table 9 is divided into two parts, and a rubber mat 12a is laid on one part (the right side in the figure) to form a bat part 12. On the other hand, a carpet 13a made of a material that leaves traces of the club due to the head fluttering is laid, and the ball 13
Is composed.

As shown in FIG. 5, a ball locking member 14 made of nylon fishing line for abutting and locking the golf ball b is provided at an appropriate position of the ball portion 13 so as to protrude. . In the present embodiment, as shown in FIG. 4, four ball locking members 14 are provided at nine locations. Therefore, by placing the golf ball b between the four ball locking members 14, the golf ball b can be prevented from rolling even when the tilting table 9 is tilted at a large angle in any direction. . Further, by setting the golf balls b at nine places, continuous shots can be made, and the practice of shots can be performed efficiently. Further, the center of the four ball locking members 14, that is, the golf ball b
Is marked with a paint 13
b is attached.

The carpet 13a forming the ball portion 13
Can be replaced by providing a magic tape or the like on the back surface, for example.

At the center of the tilting table 9, an insert hole 9a for inserting the core bolt 6 and performing a tightening or releasing operation is provided therethrough (see FIGS. 7 and 8).
A cap 9b for closing the insert hole 9a
A rubber mat 12a similar to the one laid on the upper surface of the portion where the insert hole 9b is opened is attached to the upper surface thereof, and is detachably provided.

An elongated hole 2a for inserting the core bolt 6 is provided at the bottom of the hemisphere 2. This long hole 2a
Fig. 8 shows the hemisphere 2 with the core bolt 6 inserted.
It has a function of enabling movement in the direction B of (A).

On the other hand, as shown in FIG.
A hemispherical bearing 4 for supporting the hemisphere 2 on the inner surface, four struts 15 for supporting the hemispherical bearing 4, and each of the struts 1
Reinforcing plate 1 for reinforcing 5 and hemispherical bearing 4
6 (see FIG. 1). Further, a reinforcing member 17 for supporting the stress of the column 15 is provided.
5 is provided with a leg 18 at the tip thereof. This leg 1
A columnar leg plate 19 is attached to the lower surface of 8. This means that when the golf practice table 1 is installed on a floor or the like,
This is provided to prevent the floor from being scratched.

In the present embodiment, the hemispherical bearing 4 uses the same hemisphere as the above-mentioned hemisphere 2 and the tilting table 9.
In order to ensure the inclination angle of the above, it is formed in a substantially hemispherical shape whose upper part is cut off. Therefore, the hemispherical bearing 4
Is smaller than the outer diameter of the hemisphere 2 by the thickness, so that the inner edge 4c of the hemisphere support 4 supports the hemisphere 2 (see FIGS. 7 and 8). . With this configuration, for example, as shown in FIG. 6 (A), when a hemisphere having an inner diameter of the hemisphere supporting portion 4 ′ larger than the outer diameter of the hemisphere 2 is used, the hemisphere is supported only at the bottom. In comparison with the case, the tightening effect between the hemisphere 2 and the hemisphere support 4 described later is enhanced, and the base 3 is stably maintained.

Since the gap s between the hemisphere 2 and the hemisphere support 4 plays the role of packing, for example, FIG.
The hemisphere 2 and the hemisphere support 4 are compared with the case where the hemisphere support 4 'is formed using a hemisphere having the same inner diameter as the outer diameter of the hemisphere 2 as shown in FIG. It is considered that the tightening effect is increased. Further, since the same hemisphere can be used and can be covered by a commercially available product, the cost can be reduced.

A long hole 4a having a longitudinal direction substantially orthogonal to the longitudinal direction of the long hole 2a of the hemisphere 2 is provided through the bottom of the hemispherical bearing portion 4. This means that the core bolt 6 is inserted and the core bolt 6 is
Has a function of enabling movement in the C direction.

A hairline is provided on the side surface of the hemisphere 2 by sanding in the lateral direction. This prevents slippage at the contact between the hemisphere 2 and the hemisphere support 4, that is, at the inner edge 4c, increases the tightening force of a tightening member described later, and further stably maintains the base 3.

Next, the fastening member will be described with reference to FIGS. That is, the fastening member is the tilting table 9
And the core bolt 6 inserted through the long hole 2a of the hemisphere 2 and the long hole 4a of the hemisphere support 4 by being inserted from the insert hole 9a. In place of the core bolt 6 having the head 6a, a round nut 6b having a strong round washer for pressing the bottom upper surface of the hemisphere 2 is fixed. Further, a nut 6c with a square seat that is screwed from below the core bolt 6 and that is provided so as to press the lower surface of the hemispherical support 4 with a square washer is provided. Further, in order to prevent the rotation of the nut 6c with a square seat, a nut rotation stop plate 4b with a square seat is provided on the lower surface of the hemispherical bearing 4 so that the square washer of the nut 6c with a square seat abuts. Have been.

Here, the round washer nut 6b and the square washer nut 6c have a round washer and a square washer welded to the nut, respectively. However, each can be formed separately, and a spring washer or the like can be appropriately used to prevent loosening of the tightening. Also, the head 6a can be formed with a cap nut. The core bolt 6 having the head 6a, the nut 6b with a round seat, the nut 6c with a square seat,
The nut rotation stopper plate 4b with the square seat corresponds to the fastening member according to the first aspect.

Golf practice table 1 having such a configuration
Is used as follows. First, the base 5 is placed at an appropriate place. The hemisphere 2 of the pedestal 3 is mounted thereon so as to be supported by the hemisphere support 4. Then, the cap 9b of the insert hole 9a is removed, the core bolt 6 is inserted from the insert hole 9a, and inserted into the long hole 2a and the long hole 4a. Next, the nut 6c with a square seat is screwed from below the core bolt 6, and the square washer of the nut 6c with a square seat is brought into contact with the nut locking plate 4b with the square seat. And nut 6b with round seat
Press the head 6 of the core bolt 6 from the insert hole 9a with a box spanner or the like so that the bottom upper surface of the hemisphere 2 is pressed against the bottom lower surface of the hemisphere support portion 4 by the nut 6c with a square seat.
Then, the tilting table 9 is fixed and maintained by tightening a, and a cap 9b is put on the insert hole 9a.

Then, the golf ball b is placed between the four ball locking members 14 of the ball portion 13, that is, on the marks 13b, and the shot is practiced. Alternatively, a shot is practiced with the target of the mark 13b without using the golf ball. At this time, the carpet 1 laid on the ball portion 13
By the mark of the club left on 3a and the mark 13b,
Practice aiming for the correct shot while judging the suitability of the shot. In addition, if a plurality of golf balls are set and practiced, it is possible to continuously practice shots.

Next, when it is desired to change the tilt direction and the tilt angle of the tilting table 9, the cap 9b of the insert hole 9a is required.
And release the core bolt 6 with a box spanner or the like. Then, since the nut 6c with the square seat is prevented from rotating by the nut rotation stop plate 4b with the square seat, the core bolt 6 is raised, and the upper surface of the bottom surface of the hemisphere 2 by the round washer of the round seat nut 9b is formed. The holding down is released. Therefore,
The tilting table 9 is tilted in a desired direction and angle, the core bolt 6 is tightened again to fix the tilting table 9, and the cap 9b is put on the insert hole 9a. 7B and 8B show the relationship between the hemisphere 2, the hemisphere support 4, and the tightening member in an example in which the tilting table 9 is tilted.

Here, in the above-described embodiment, the hemisphere 2
And the hemispherical bearing 4 are disposed at the center of the base 3 and the base 5, respectively, as shown in FIG.
It can also be provided offset in the lateral direction. With such a configuration, the base 3 is supported in the vicinity of the part where the trainee with the highest load is placed, so that the stability of the base 3 and the durability of the golf practice table 1 are improved. Further, since the oblique members 10 and the like of the base 3 can be lightweight members, the device can be reduced in weight, transportation can be facilitated, and costs can be reduced.

In the present embodiment, the steel material is used for the frame 8, the oblique member 10, the lateral member 11, the support 15, the reinforcing plate 16, the reinforcing member 17, and the leg 18, but the strength, It can be appropriately selected in consideration of durability and the like. In the present embodiment, for example, various members of the base 3
A square steel pipe capable of withstanding a load of 00 kg was used. The tilting table 9 used a plywood having a thickness of 18 mm. In addition, the hemisphere 2 and the hemisphere support portion 4 were made of commercially available steel having an outer diameter of about 216 mm and a thickness of about 6 mm. However, there is no problem in strength, and a commercially available product can be used. Production costs can be kept low. Also,
The core bolt 6 used had a diameter of 20 mm. However, the present invention is not limited to these, and can be appropriately selected.

In this embodiment, the hemisphere 2
Was directly attached to the lower surface of the tilting table 9, but as shown in FIG. 10, an appropriate length (for example, equal to the height of the oblique member 10 of the base 3) of the same diameter as the hemisphere 2. It can be attached to the tilting table 9 via the steel pipe 2b. In this case, the hemisphere supporting part 4 can use the same hemisphere as the hemisphere 2 without cutting off the upper part. Therefore, the contact point between the hemisphere 2 and the hemisphere support part 4, that is, the upper edge 4c of the hemisphere support part 4 can be enlarged, so that the base 3
Is maintained more stably.

[0045]

As described above, according to the present invention, the tilting / maintenance mechanism of the tilting table is achieved with a simple configuration using a hemisphere, so that the tilting table is small and excellent in cost performance.
It is possible to provide a golf practice table that has few failures, is easy to operate, and can be easily installed and used even in a place without a power supply.

Further, the hemispherical bearing portion supports the hemisphere at the upper inner edge thereof, and an appropriate gap is formed between the lower surface of the bottom of the hemisphere and the upper surface of the bottom of the hemispherical supporting portion. In this case, the tightening effect is increased, and the base can be stably maintained.

When the hemisphere and the hemispherical bearing, which are the tilting and maintaining mechanism, are provided so as to be deviated in the direction toward the batting area, the pedestal is located in the vicinity of the part where the heaviest load is placed. Since it is supported, a golf practice table excellent in stability and durability can be provided. In addition, it is possible to reduce the weight of the base member, thereby facilitating transportation of the apparatus and reducing costs.

Further, since the ball portion is made of a material that leaves a trace of the club at the time of impact and is marked with a mark indicating the position where the golf ball is to be mounted, it is possible to judge the suitability of the shot, and the efficiency is improved. Practice can be done. Also,
Even if the golf ball is not actually used, the trainee can practice a desired shot using the marks and marks of the club, and can practice by installing the golf ball in a home garden or the like.

Further, since a plurality of tough and springy ball locking members are protruded from the ball portion, the golf ball can be placed even when the pedestal portion is greatly inclined, so that the practice can be efficiently performed. It can be carried out.

[Brief description of the drawings]

FIG. 1 is a front view showing an example of an embodiment of a golf practice table of the present invention.

FIG. 2 is a rear view of a base portion of the golf practice table according to an embodiment of the present invention;

FIG. 3 is a top view of a base of an example of the embodiment of the golf practice table of the present invention.

FIG. 4 is a top view of a base portion of the golf practice table according to an embodiment of the present invention;

FIG. 5 is an enlarged sectional view for explaining a ball locking member of a ball portion.

FIG. 6 is a cross-sectional view for explaining a relationship between a hemisphere and a hemisphere support portion.

FIGS. 7A and 7B are enlarged longitudinal sectional views of main parts of FIG. 1, wherein FIG. 7A shows a horizontal state, and FIG.

FIGS. 8A and 8B are enlarged cross-sectional views taken along line AA of a main part of FIG. 1, wherein FIG. 8A shows a horizontal state, and FIG.

FIG. 9 is a front view of the golf practice table of the present invention when the hemispheres and the hemisphere support portions are provided so as to be deviated in the direction toward the batting area.

FIG. 10 is an enlarged longitudinal sectional view of a main part when the hemisphere of the golf practice table of the present invention is attached to a tilting table via a steel pipe.

[Explanation of symbols]

 Reference Signs List 1 golf practice table 2 hemisphere 2a long hole 3 base 4 hemisphere support 4a long hole 4b nut rotation stop plate with square seat 5 base 6 core bolt 6a head 6b nut with round seat 6c nut with square seat 9 tilting table 9a insert hole 9b cap 12 bat part 12a rubber mat 13 ball part 13a carpet 13b mark 14 ball locking member b golf ball s gap 1

Claims (5)

(57) [Claims] 1. A golf practice table for practicing a shot at various inclinations, comprising a base and a base supported by the base so as to be tiltable, and the base includes a batting area. And a tilting table comprising a ball portion, and a hollow hemisphere provided on the lower surface of the tilting table with the opening side up, and the hemisphere is substantially provided with the opening side up on the base. A hemispherical or hemispherical hollow hemispherical supporting portion is tiltably supported by a hollow hemispherical supporting portion, and a long hole is provided at the bottom of the hemispherical body so as to extend substantially perpendicular to the longitudinal direction of the long hole. A long hole having a direction is provided through the bottom of the hemispherical bearing portion, and a tightening member having a core bolt inserted through the long hole is provided. The tightening member is provided above the core bolt of the tilting table. Tighten from the insert hole provided through By releasing, golf practice stand and maintains the tilting table in a desired tilt direction and tilt angle. 2. The hemispherical bearing portion supports the hemisphere at its upper inner edge, and an appropriate gap is formed between the lower surface of the bottom of the hemisphere and the upper surface of the bottom of the hemispherical bearing. The golf practice table according to claim 1, wherein the golf practice table is configured to support the hemisphere. 3. The golf practice table according to claim 1, wherein the hemisphere and the hemisphere support portion are provided so as to be deviated in a direction toward the batting portion. 4. The golf club according to claim 1, wherein the ball portion is made of a material that leaves a trace of the club at the time of impact, and the ball portion is marked with a mark indicating a golf ball mounting expected position. The golf practice table according to claim 1, 2 or 3. 5. A plurality of ball locking members for locking a golf ball, the plurality of ball locking members being made of a durable and springy material are protruded from the ball portion.
The golf practice table according to 2, 3, or 4.