Pickle ball racket and preparation method thereof

Abstract

The present invention discloses a pickle ball racket and a preparation method thereof, wherein the pickle ball racket comprises a racket body and a handle, wherein the handle is connected to one side of the racket body, wherein the racket body comprises, from top to bottom, an upper panel, a lower panel and a composite inner panel sandwiched between the upper panel and the lower panel, wherein the composite inner panel is composed of an upper honeycomb panel, a shock absorbing layer and a lower honeycomb panel bonded together from top to bottom, wherein the upper honeycomb panel and the lower honeycomb panel are both provided with a honeycomb structure; the upper panel and the lower panel are set as an integrally formed structure by a high-temperature forming preparation method, and are evenly wrapped around the outside of the composite inner panel, and an edge strip is evenly set between the side of the composite inner panel and the upper panel and the lower panel. The pickle ball racket is used in combination with panels and composite panels of different materials, thereby changing the structural characteristics of the racket such as weight, vibration and hardness, thereby having a good gripping feel, good shock absorbing effect and light weight.

Description

Technical Field

[0001] The present invention relates to the technical field of sports goods, and more particularly to a pickleball racket and a preparation method thereof. Background Art

[0002] Pickleball is a sport of hitting a ball with a racket. It originated from Benbridge Island in Seattle, USA. It is a hybrid sport of tennis, badminton and table tennis. Pickleball has become a regular sport in middle school physical education classes and has become increasingly popular among young and old people.

[0003] A typical pickle ball racket is made of wood or carbon fiber or glass fiber. The pickle ball racket made of wood is heavy, has a poor hand feel, is relatively hard, and has a poor shock absorption effect. When athletes exercise, the weight is too heavy, which easily causes arm soreness or wrist injury. The racket has poor elasticity, a bad grip feel, poor durability, and a short service life, which not only causes certain economic losses, but also has safety hazards to a certain extent, causing certain dangers to athletes. Therefore, providing a pickle ball racket with a good grip feel, good shock absorption effect, and light weight is a technical problem that needs to be solved at present. Summary of the invention

[0004] The purpose of the present invention is to solve the above technical problems, and to propose a pickle ball racket with good gripping feeling, good shock absorption effect and light weight and a preparation method thereof.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a pickle ball racket includes a racket body and a handle, the handle is connected to one side of the racket body, the racket body includes an upper panel, a lower panel and a composite inner panel sandwiched between the upper panel and the lower panel from top to bottom, the composite inner panel is composed of an upper honeycomb panel, a shock-absorbing layer and a lower honeycomb panel bonded together from top to bottom, and the upper honeycomb panel and the lower honeycomb panel are both provided with a honeycomb structure; the upper panel and the lower panel are arranged as an integrally formed structure, which are evenly wrapped around the outer side of the composite inner panel, and a edging strip is evenly arranged between the side edge of the composite inner panel and the upper panel and the lower panel.

[0006] Preferably, the upper panel and the lower panel are both made of fiber prepreg, the outer layer of the fiber prepreg is one of carbon fiber material, glass fiber material, Kevlar composite fiber material, and the interior of the fiber prepreg is one of epoxy resin, polyester resin or thermoplastic resin material.

[0007] Preferably, the upper honeycomb panel and the lower honeycomb panel are made of one of PP polypropylene, aromatic paper honeycomb or aluminum honeycomb materials.

[0008] Preferably, the shock-absorbing layer is composed of a shock-absorbing material made of rubber.

[0009] Preferably, the edge strip is filled with polyurethane foam material.

[0010] Preferably, the composite inner panel is integrally formed by hot pressing.

[0011] Preferably, the upper panel, the lower panel, the composite inner panel sandwiched between the upper panel and the lower panel, and the edge strip are formed by hot pressing at a high temperature of 140 degrees.

[0012] Preferably, the handle includes a connecting portion and a grip portion, the connecting portion is respectively connected to the top of the grip portion and the bottom of the racket body, a bottom cover is provided at the bottom of the handle, and the width of one side of the handle connected to the racket body is greater than the other side, and is wide at the top and narrow at the bottom.

[0013] Preferably, the connecting portion of the handle and the gripping portion are covered and bonded by a circle of PU sheet, and the material of the PU sheet is epoxy resin material.

[0014] Preferably, a protective layer is provided on the outer sides of the upper panel and the lower panel.

[0015] Preferably, the steps of preparing the pickle ball racket are as follows:

[0016] S1: Woven yarn, made of carbon fiber or glass fiber woven with epoxy resin into a cloth-like shape;

[0017] S2: Prepare materials;

[0018] S3: Cutting yarn to the required specifications of the structure;

[0019] S4: Roll into long strips, first roll into a strip;

[0020] S5: preforming, preforming;

[0021] S6: Place the preformed product into the molding mold;

[0022] S7: High temperature molding, pressurizing at 140-150 degrees for 17-25 minutes;

[0023] S8: demoulding, cooling and demoulding after pressurization;

[0024] S9: Painting: the rough blank is ground, polished, sprayed with paint and labeled to form the painting.

[0025] Compared with the prior art, the present invention provides a pickleball racket and a preparation method thereof, which have the following beneficial effects:

[0026] 1. The present invention achieves shock absorption and noise reduction effects and improves SPIN by providing a shock absorption layer made of rubber material.

[0027] 2. The composite inner panel composed of the upper honeycomb panel, the shock-absorbing layer and the lower honeycomb panel is bonded together at high temperature to achieve the purpose of one-piece molding. By combining panels and composite panels of different materials, the weight, vibration, hardness and other structural characteristics of the clapper are changed, so that the grip is good, the shock-absorbing effect is good, and the weight is light.

[0028] 3. The present invention adopts one of PP polypropylene, aromatic paper honeycomb and aluminum honeycomb as the upper honeycomb plate, which can produce different striking effects. At the same time, the honeycomb structure has good durability and environmental resistance.

[0029] 4. The present invention fills a circle of the composite inner panel with polyurethane foam material and then heats the polyurethane foam material. Through heating, the polyurethane foam material has the advantages of no gaps after filling, strong adhesion after curing, shock resistance and compression resistance, no cracking, no corrosion, no falling off after curing, heat resistance and heat preservation, high efficiency insulation, sound insulation, and waterproof and moisture-proof after curing.

[0030] 5. The present invention adopts the handle design of PU sheet material and the shape of wide top and narrow bottom to make the grip more comfortable and provide a better experience. At the same time, a bottom cover is arranged at the bottom of the handle to achieve the purpose of sweat absorption.

[0031] 6. The manufacturing process of the present invention adopts a high-temperature integrated molding manufacturing process, which reduces the manufacturing steps of the racket and improves production efficiency. By bonding the upper panel, lower panel, composite inner panel and edge strip at high temperature and high pressure, there will be no lack of glue or delamination. In addition, the racket is light in weight and has a long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 The overall structure of the present invention is shown in FIG. Figure 1 ;

[0033] Figure 2 It is an enlarged view of the overall structural schematic diagram AA of the present invention;

[0034] Figure 3 is a cross-sectional view of the racket body of the present invention;

[0035] Figure 4 The overall structure of the present invention is shown in FIG. Figure 2 .

[0036] In the figure: 1. racket body; 11. upper panel; 12. lower panel; 13. composite inner panel; 131. upper honeycomb panel; 132. shock-absorbing layer; 133. lower honeycomb panel; 2. handle; 21. connecting part; 22. grip part; 23. bottom cover; 24. PU sheet; 3. edging strip. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0038] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0039] See also Figure 1-4 As shown, a pickle ball racket of the present invention comprises a racket body 1 and a handle 2, wherein the handle 2 is connected to one side of the racket body 1, wherein the racket body 1 comprises, from top to bottom, an upper panel 11, a lower panel 12 and a composite inner panel 13 sandwiched between the upper panel 11 and the lower panel 12, wherein the composite inner panel 13 is composed of, from top to bottom, an upper honeycomb panel 131, a shock absorbing layer 132 and a lower honeycomb panel 133 bonded together, wherein the upper honeycomb panel 131 and the lower honeycomb panel 133 are both provided with a honeycomb structure; the upper panel 11 and the lower panel 12 are provided with an integrally formed structure, which are evenly wrapped around the outer side of the composite inner panel 13, and an edge strip 3 is evenly provided between the side edge of the composite inner panel 13 and the upper panel 11 and the lower panel 12.

[0040] Among them, the present invention achieves shock absorption and noise reduction effects and improves SPIN by setting a shock-absorbing layer 132 made of rubber material, and achieves the purpose of one-piece molding by bonding the upper honeycomb panel 131, the shock-absorbing layer 132 and the lower honeycomb panel 133 through high-temperature hot pressing. In addition, by combining panels and composite panels 13 made of different materials, the structural characteristics of the weight, vibration and hardness of the clapper are changed, so that the gripping feel is good, the shock absorption effect is good, and the weight is light.

[0041] An optional implementation method, such as Figure 3 As shown, the material of the upper panel 11 and the lower panel 12 of the present invention are both fiber prepregs, the outer layer of the fiber prepreg is one of carbon fiber materials, glass fiber materials, and Kevlar composite fiber materials, and the interior of the fiber prepreg is one of epoxy resin, polyester resin or thermoplastic resin materials.

[0042] Among them, the present invention adopts fiber prepreg as the material of the upper panel 11 and the lower panel 12, and the outer layer of the fiber prepreg is one of carbon fiber material, glass fiber material, and Kevlar composite fiber material. After the upper panel 11, the lower panel 12 and the composite inner panel 13 are bonded, they are placed in a mold and formed at high temperature. This design has a simple structure and light weight, which improves the user experience and increases the fun.

[0043] An optional implementation method, such as Figure 2-3 As shown, the upper honeycomb panel 131 and the lower honeycomb panel 133 of the present invention are made of one of PP polypropylene, aromatic paper honeycomb or aluminum honeycomb materials.

[0044] The present invention adopts one of PP polypropylene, aromatic paper honeycomb and aluminum honeycomb as the upper honeycomb plate, which can produce different striking effects, and the honeycomb structure has good durability and environmental resistance.

[0045] An optional implementation method, such as Figure 2-3 As shown, the shock absorbing layer 132 of the present invention is composed of a shock absorbing material made of rubber.

[0046] The present invention achieves shock absorption and noise reduction effects and improves SPIN by providing a shock absorption layer 132 made of rubber material.

[0047] An optional implementation method, such as Figure 2 As shown, the edge strip 3 of the present invention is filled with polyurethane foam material.

[0048] Among them, the present invention fills a circle of the composite inner panel 13 with polyurethane foam material, and then heats the polyurethane foam material. Through heating, the purpose of no gaps, strong bonding after curing, shock resistance and compression resistance, no cracking, no corrosion, no falling off after curing, heat resistance and heat preservation, high-efficiency insulation, sound insulation, and waterproof and moisture-proof after curing is achieved.

[0049] An optional implementation method, such as Figure 3 As shown, the composite inner panel 13 of the present invention is integrally formed by hot pressing, and the upper panel 11, the lower panel 12 and the composite inner panel 13 sandwiched between the upper panel 11 and the lower panel 12 are formed by hot pressing at a high temperature of 140 degrees.

[0050] Among them, the upper panel 11, the lower panel 12, the composite inner panel 13, and the edge strip 3 of the present invention are put into a mold after being bonded, and are hot-pressed at a high temperature of 140 degrees. The structure is simple and more practical.

[0051] An optional implementation method, such as Figure 1As shown, the handle 2 of the present invention includes a connecting portion 21 and a grip portion 22, the connecting portion 21 is respectively connected to the top of the grip portion 22 and the bottom of the racket body 1, a bottom cover 23 is provided at the bottom of the handle 2, and the width of one side where the handle 2 is connected to the racket body 1 is greater than the other side, and is wide at the top and narrow at the bottom; the connecting portion 21 and the grip portion 22 of the handle 2 are covered and bonded by a circle of PU sheet 24, and the material of the PU sheet 24 is epoxy resin material.

[0052] Among them, the present invention wraps the connecting part 21 and the grip part 22 with a PU sheet 24. The handle made of the PU sheet is designed to be wide at the top and narrow at the bottom, which is more comfortable to hold and provides a better experience. At the same time, a bottom cover 23 is provided at the bottom of the handle 2 to achieve the purpose of sweat absorption.

[0053] An optional implementation method, such as Figure 1-3 As shown, a protective layer is disposed on the outer sides of the upper panel 11 and the lower panel 12 of the present invention.

[0054] Among them, the present invention can provide another protective layer on the outer layer of the upper panel 11 and the lower panel 12 according to user needs to meet different usage scenarios and actual needs.

[0055] In an optional embodiment, the method for preparing a pickleball racket comprises the following specific steps:

[0056] S1: Woven yarn, made of carbon fiber or glass fiber woven with epoxy resin into a cloth-like shape;

[0057] S2: Prepare materials, refer to the design structure list, prepare carbon fiber or glass fiber, epoxy resin, fiber prepreg, PP polypropylene or aromatic paper honeycomb or aluminum honeycomb, shock-absorbing rubber material;

[0058] S3: Cutting yarn: Cutting the yarn into small pieces according to the required specifications of the structure according to the design structure;

[0059] S4: rolling long strips, rolling the cut yarn into a long strip;

[0060] S5: Pre-forming: the rolled strips are made into the shape of a pickleball racket for pre-forming;

[0061] S6: Place the preformed product into the molding mold;

[0062] S7: High temperature molding, using 140-150 degrees high temperature for pressurization for 17-25 minutes, high temperature pressing and one-piece molding;

[0063] S8: demoulding, cooling and demoulding the product after pressurization;

[0064] S9: Painting: the rough blank is ground, polished, sprayed with paint and labeled to form the painting.

[0065] Among them, the manufacturing process of the present invention adopts a high-temperature one-piece molding manufacturing process to reduce the manufacturing steps of the racket and improve production efficiency. Through high-temperature and high-pressure bonding on the upper panel, lower panel, composite inner panel and edge strip, there will be no lack of glue or delamination. In addition, the racket is light in weight and has a long service life.

[0066] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A pickleball racket, characterized in that: The racket comprises a racket body (1) and a handle (2), wherein the handle (2) is connected to one side of the racket body (1), wherein the racket body (1) comprises, from top to bottom, an upper panel (11), a lower panel (12), and a composite inner panel (13) sandwiched between the upper panel (11) and the lower panel (12), wherein the composite inner panel (13) is, from top to bottom, composed of an upper honeycomb panel (131), a shock-absorbing layer (132), and a lower honeycomb panel (133) bonded together, wherein both the upper honeycomb panel (131) and the lower honeycomb panel (133) are provided with a honeycomb structure; the upper panel (11) and the lower panel (12) are provided with an integrally formed structure and are uniformly wrapped around the outer side of the composite inner panel (13), and a wrapping strip (3) is uniformly provided between the side edge of the composite inner panel (13) and the upper panel (11) and the lower panel (12); The composite inner panel (13) is integrally formed by hot pressing; the upper panel (11), the lower panel (12), the composite inner panel (13) sandwiched between the upper panel (11) and the lower panel (12), and the edge strip (3) are formed by hot pressing at a high temperature of 140 degrees.

2. A pickleball racket according to claim 1, characterized in that: The upper panel (11) and the lower panel (12) are both made of fiber prepreg, the outer layer of the fiber prepreg is one of carbon fiber material, glass fiber material, and Kevlar composite fiber material, and the interior of the fiber prepreg is one of epoxy resin, polyester resin, or thermoplastic resin material.

3. A pickleball racket according to claim 1, characterized in that: The upper honeycomb panel (131) and the lower honeycomb panel (133) are both made of one of PP polypropylene, aromatic paper honeycomb or aluminum honeycomb materials.

4. A pickleball racket according to claim 1, characterized in that: The shock absorbing layer (132) is composed of a shock absorbing material made of rubber.

5. A pickleball racket according to claim 1, characterized in that: The edge strip (3) is filled with polyurethane foam material.

6. A pickleball racket according to claim 1, characterized in that: The handle (2) comprises a connecting portion (21) and a grip portion (22), wherein the connecting portion (21) is connected to the top of the grip portion (22) and the bottom of the racket body (1) respectively, and a bottom cover (23) is provided at the bottom of the handle (2), and the width of one side where the handle (2) is connected to the racket body (1) is greater than the other side, and the handle is wide at the top and narrow at the bottom.

7. A pickleball racket according to claim 1, characterized in that: The connecting portion (21) and the gripping portion (22) of the handle (2) are covered and bonded by a circle of PU sheet (24), and the material of the PU sheet (24) is epoxy resin material.

8. A pickleball racket according to claim 1, characterized in that: A protective layer is provided on the outer sides of the upper panel (11) and the lower panel (12).

9. A method for preparing a pickle ball racket according to claim 1, characterized in that: The preparation method steps are as follows: S1: Woven yarn, made of carbon fiber or glass fiber combined with epoxy resin to form a cloth; S2: Prepare materials; S3: Cutting yarn to the required specifications of the structure; S4: Roll long strips, first roll into a strip; S5: preforming, preforming; S6: Place the preformed product into the molding mold; S7: High temperature molding, pressurizing at 140-150 degrees for 17-25 minutes; S8: demoulding, cooling and demoulding after pressurization; S9: Painting: the rough blank is ground, polished, sprayed with paint and labeled to form the painting.

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