CN218774263U - Three-layer golf ball with hollow structure - Google Patents
Three-layer golf ball with hollow structure Download PDFInfo
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- CN218774263U CN218774263U CN202222953167.2U CN202222953167U CN218774263U CN 218774263 U CN218774263 U CN 218774263U CN 202222953167 U CN202222953167 U CN 202222953167U CN 218774263 U CN218774263 U CN 218774263U
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Abstract
The utility model relates to a golf technical field specifically is a three-layer golf ball with hollow structure, include: the surface of the hemispherical core is provided with a butt joint groove, the surface of the hemispherical core is provided with a butt joint lug, and the middle part of the hemispherical core is provided with a spherical empty groove; the middle layer is coated on the surface of the hemispherical core; the ball cover is coated on the surface of the middle layer; the beneficial effects are that: the hollow sphere center is obtained by arranging the spherical empty groove in the middle of the hemisphere center, and the sphere center is enabled to obtain the weight distribution of the outer weight and the inner weight through the hollow design, so that the rotation inertia of the golf ball is improved, and the flying distance of the golf ball is greatly increased.
Description
Technical Field
The utility model relates to the technical field of golf, in particular to a three-layer golf with a hollow structure.
Background
The golf game is a game item for putting a golf ball into a hole by using different golf clubs, and when people do golf game, golf balls with different layer structures are designed in order to pursue longer flight distance, more accurate putting green control and richer hitting hand feeling;
the prior widely applied golf ball is a four-layer golf ball which consists of a double-layer rubber ball core and two layers of injection molding ball covers;
however, the double-layer core structure of the four-layer golf ball is formed by mutually wrapping two layers of rubber, and the two layers of rubber are tightly combined, so that the rotating inertia of the four-layer golf ball is low in the playing process, and the flying distance of the golf ball is short.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a three-layer golf ball with hollow structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: a three-layer golf ball having a hollow structure, the three-layer golf ball having a hollow structure comprising:
the semi-spherical center is provided with a butt joint groove on the surface, a butt joint lug is arranged on the surface, and a spherical hollow groove is arranged in the middle of the semi-spherical center;
the middle layer is coated on the surface of the hemispherical core;
and the ball cover is coated on the surface of the middle layer.
Preferably, two groups of semi-sphere centers are arranged, and the two groups of semi-sphere centers are bonded through a rubber adhesive to form a hollow round sphere center.
Preferably, the butt joint convex blocks are provided with two groups, the two groups of butt joint convex blocks are symmetrically arranged on two sides of the spherical empty groove, and the spherical empty groove is of a hemispherical groove structure.
Preferably, the butt joint grooves are provided with two groups, the butt joint grooves on the surfaces of the semi-spherical centers of one group are inserted into the butt joint lugs on the surfaces of the semi-spherical centers of the other group, and the butt joint grooves and the semi-spherical centers are of an integral structure.
Preferably, the middle layer is formed by injection molding of surlyn resin, and the middle layer is attached to the surfaces of the two groups of bonded hemispherical cores.
Preferably, the ball cover is formed by injection molding of sarin resin with different types from the middle layer, and the ball cover is attached to the surface of the middle layer.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a three-layer golf with hollow structure obtains hollow sphere center through setting up spherical dead slot in the middle part of hemisphere center, and hollow design makes the sphere center obtain the weight distribution of external heavy internal light to this improves golf's rotation inertia, thereby the flight distance of very big increase golf, has solved the structure of the double-deck sphere center of four-layer golf, because two-layer rubber wraps up each other and forms, combines closely, makes it rotate inertia lower in the process of playing, thereby lead to golf flight distance shorter problem;
the bearing degree of the shearing force of the combination part of the two groups of hemispherical cores is increased through the butt joint of the butt joint convex blocks and the butt joint grooves, so that the stability of the hollow spherical core is enhanced, and the service life of the hollow three-layer golf ball is prolonged;
and the hollow design can also change the hardness distribution of the ball center, so that the ball center has extremely flexible inner and rigid outer changes, and different feedbacks can be provided when the golf ball is hit with different forces, thereby improving the backspin of the hit ball, simultaneously obtaining rich hit hand feeling and realizing the accurate control on the putting green.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the structure of the hemispherical core of the present invention.
In the figure: the ball comprises a hemispherical core 1, a butt joint convex block 11, a butt joint groove 12, a spherical empty groove 13, an intermediate layer 2 and a ball cover 3.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.
Referring to fig. 1-2, the present invention provides a technical solution:
a three-layer golf ball having a hollow structure, the three-layer golf ball having a hollow structure comprising:
the semi-spherical core 1, the surface of the semi-spherical core 1 is provided with a butt groove 12, the surface of the semi-spherical core 1 is provided with a butt convex block 11, the middle part of the semi-spherical core 1 is provided with a spherical hollow groove 13, the semi-spherical core 1 is provided with two groups, the two groups of semi-spherical cores 1 are bonded by a rubber adhesive to form a hollow spherical core, the semi-spherical core 1 is made of rubber, a cross-linking agent, an auxiliary agent, a vulcanizing agent, metal powder and other raw materials, the butt convex blocks 11 are provided with two groups, the two groups of butt convex blocks 11 are symmetrically arranged at two sides of the spherical hollow groove 13, the spherical hollow groove 13 is in a semi-spherical groove structure, the butt groove 12 is provided with two groups, the butt groove 12 on the surface of one group of semi-spherical cores 1 is inserted into the butt convex block 11 on the surface of the other group of semi-spherical cores 1, and the butt groove 12 and the semi-spherical cores 1 are in an integral structure;
the middle layer 2 is coated on the surfaces of the hemispherical cores 1, the middle layer 2 is formed by injection molding of surlyn resin, and the middle layer 2 is attached to the surfaces of the two bonded hemispherical cores 1;
the ball cover 3, the ball cover 3 cladding is in the surface of intermediate level 2, and ball cover 3 is through the shalin resin injection moulding with the different model of intermediate level 2, and the surface laminating of ball cover 3 and intermediate level 2.
The method comprises the steps of banburying and scouring raw materials such as rubber, a cross-linking agent, an auxiliary agent, a vulcanizing agent, metal powder and the like, taking the raw materials as a raw blank, heating and vulcanizing the raw blank into a semi-sphere core 1 with a butt-joint bump 11, a butt-joint groove 12 and a spherical empty groove 13 by using a flat vulcanizing machine provided with a semi-sphere grinding tool, coating a rubber adhesive on one surface of the semi-sphere core 1 provided with the butt-joint bump 11 and the butt-joint groove 12, inserting the butt-joint groove 12 of one group of the semi-sphere cores 1 into the butt-joint bump 11 of the other group of the semi-sphere cores 1, bonding the two groups of the semi-sphere cores 1 to form a hollow sphere core, grinding the hollow sphere core to a proper size, performing primary injection molding by using a sand forest resin, forming an intermediate layer 2 on the surface of the hollow sphere core, grinding the surface of the intermediate layer 2 to a proper size, performing secondary injection molding by using sand forest resins of different types, forming a ball skin 3 on the surface of the intermediate layer 2, and performing surface treatment, spraying and printing on the ball skin 3 to prepare a three-layer golf ball finished product;
the test shows that the hollow three-layer golf ball has the performance of high trajectory and long-distance flight when being hit by a wood rod; when the iron rod is used for striking, the high-speed electric hammer has a higher trajectory and a longer flying distance, and can realize accurate control.
Table one
Test results at a speed of 45m/s using a wooden pole
Table two
Test results at 35m/s speed using iron rod
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A three-layer golf ball having a hollow structure, comprising: the three-layer golf ball having a hollow structure includes:
the semi-spherical core (1), the surface of the semi-spherical core (1) is provided with a butt joint groove (12), the surface of the semi-spherical core (1) is provided with a butt joint convex block (11), and the middle part of the semi-spherical core (1) is provided with a spherical empty groove (13);
the middle layer (2), the surface of the semispherical core (1) is coated with the middle layer (2);
the ball skin (3) is coated on the surface of the middle layer (2).
2. A three-layer golf ball having a hollow structure according to claim 1, wherein: the two groups of the semi-spherical centers (1) are adhered by a rubber adhesive to form a hollow spherical center.
3. A three-layer golf ball having a hollow structure according to claim 2, wherein: two groups of butt joint convex blocks (11) are arranged, the two groups of butt joint convex blocks (11) are symmetrically arranged on two sides of the spherical empty groove (13), and the spherical empty groove (13) is of a hemispherical groove structure.
4. A three-layer golf ball having a hollow structure according to claim 3, wherein: the butt joint grooves (12) are arranged in two groups, the butt joint grooves (12) on the surfaces of one group of the semi-spherical cores (1) are inserted into the butt joint convex blocks (11) on the surfaces of the other group of the semi-spherical cores (1), and the butt joint grooves (12) and the semi-spherical cores (1) are of an integral structure.
5. A three-layer golf ball having a hollow structure according to claim 4, wherein: the middle layer (2) is formed by injection molding of sarin resin, and the middle layer (2) is attached to the surfaces of the two groups of bonded hemispherical cores (1).
6. A three-layer golf ball having a hollow structure according to claim 5, wherein: the ball skin (3) is formed by injection molding of sarin resin of different types from the middle layer (2), and the ball skin (3) is attached to the surface of the middle layer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222953167.2U CN218774263U (en) | 2022-11-07 | 2022-11-07 | Three-layer golf ball with hollow structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222953167.2U CN218774263U (en) | 2022-11-07 | 2022-11-07 | Three-layer golf ball with hollow structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218774263U true CN218774263U (en) | 2023-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222953167.2U Active CN218774263U (en) | 2022-11-07 | 2022-11-07 | Three-layer golf ball with hollow structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218774263U (en) |
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2022
- 2022-11-07 CN CN202222953167.2U patent/CN218774263U/en active Active
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