Pick bat made of multi-layer composite core material

Abstract

A multi-layer composite core material pike racket comprises a racket plate and a handle which are integrally formed and connected, and is characterized in that the racket plate comprises a surface material, a multi-layer composite core material and a racket frame, the multi-layer composite core material is arranged in the racket frame, and the surface material is arranged in the racket frame. The surface material covers the outsides of the multi-layer composite core material and the racket frame from two surfaces to form the whole racket plate, and the multi-layer composite core material comprises a first surface layer, a second surface layer, a reinforcing rib layer arranged between the first surface layer and the second surface layer, and a bonding material layer bonded among the first surface layer, the second surface layer and the reinforcing rib layer. According to the racket with the multi-layer composite core material, firstly, the core material of the multi-layer composite structure is made of high-density and low-density EPP materials, the combination mode of the high-density and low-density materials does not need to be adjusted according to needs, the elasticity is improved, meanwhile, the overall weight is controlled, and the lightweight design of a product is optimized; and better use experience is brought.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ball game equipment, especially to the manufacturing technical field of adopting multilayer composite fabric in the pickleball racket.

BACKGROUND TECHNIQUE

[0002] The material for the pickleball racket usually needs to meet the requirements of durability and resistance to hitting, and in the process of making the racket, a structure of a core material plate plus a surface material is usually adopted, the core material is the main part for providing rebounding strength, and the surface material is the material for protecting the core material to meet the requirements of surface wear resistance, impact resistance and hitting resistance.

[0003] In the prior art, a honeycomb plate or an ordinary foaming material is usually used as the core material to meet the requirements of light weight and strength, but if the quality needs to be controlled, the product needs to be made thinner, and the strength will be affected, and if the strength is high and thick, the quality will be overweight, and the sweet spot of the core material needs to meet the requirements of rebounding strength, and the racket with better quality needs to use a material with better elasticity and toughness in the sweet spot for hitting the ball, which is helpful for better hitting and rebounding effect of the pickleball. However, the current product is difficult to meet the requirements at the same time, and therefore, the material and design of the racket need to be improved and optimized.

SUMMARY OF THE INVENTION

[0004] The utility model discloses a kind of multilayer composite core material's pickle, reduce overall quality, optimize product lightweight design, secondly improve racket hitting effect, enhance elastic effect under the premise of keeping quality lighter, it is more fully impact effect and full rebound quality to hit ball in sweet spot, let user be easier to hit high-quality return ball, bring better use experience.

[0005] The utility model discloses a kind of multilayer composite core material's pickle, the pickle includes racket plate and handle, racket plate and handle integrally formed connection, it is characterized in that, wherein the racket plate includes surface material, multilayer composite core material and racket frame, wherein multilayer composite core material is placed into racket frame, surface material is covered from two sides on multilayer composite core material and outside racket frame to constitute racket plate whole, the multilayer composite core material includes first surface layer and second surface layer, strengthening rib layer being arranged between first surface layer and second surface layer and adhesive material layer being adhered between first surface layer, second surface layer and strengthening rib layer.

[0006] The strengthening rib layer of the multilayer composite core material includes several ribs, the rib is adhered on first surface layer and second surface layer with equal interval spacing respectively, and the interval spacing between two ribs on first surface layer corresponds to the rib on second surface layer, and adhesive material layer is clamped between ribs adhered on different surface layers, the adhesive material layer is pasted with rib to form concave-convex shape structure.

[0007] The structure between the first surface layer and the second surface layer is all the reinforcing rib layer or partially the reinforcing rib layer.

[0008] When the structure between the first surface layer and the second surface layer is partially the reinforcing rib layer, the rest part except the reinforcing rib layer is filled with the same auxiliary material as the first surface layer / second surface layer.

[0009] The first surface layer and the second surface layer are made of high-density foamed polypropylene, and the rib is made of low-density foamed polypropylene, the foaming ratio of the high-density foamed polypropylene is 5-13 times, and the foaming ratio of the low-density foamed polypropylene is 13-45 times.

[0010] The first surface layer and the second surface layer are made of low-density foamed polypropylene (EPP), and the rib is made of high-density foamed polypropylene, the foaming ratio of the high-density foamed polypropylene (EPP) is 5-13 times, and the foaming ratio of the low-density foamed polypropylene is 13-45 times.

[0011] The adhesive material layer is a glass fiber material or a carbon fiber material.

[0012] The adhesive material layer is a glass fiber material or a carbon fiber material.

[0013] The racket of the multi-layer composite core material disclosed by the utility model firstly uses high-density and low-density EPP materials to make a multi-layer composite core material, and more various requirements are adjusted to combine the high-density and low-density materials, control the overall weight while improving the elasticity, optimize the lightweight design of the product, and bring better use experience. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the whole structure schematic view of the racket of the multi-layer composite core material disclosed by the utility model;

[0015] Fig. 2 It is the sectional view of the composite core material disclosed by the utility model;

[0016] Fig. 3 It is the composite core material structure schematic view of the utility model, wherein the central area is the reinforcing rib layer;

[0017] In the utility model, 10, handle; 20, handle; 21, face material; 22, composite core material; 221, first surface layer; 222, second surface layer; 223, reinforcing rib layer; 2231, rib; 224, adhesive material layer; 23, racket frame; DETAILED DESCRIPTION

[0018] The present invention will now be described in detail with reference to the accompanying drawings and embodiments. Examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0019] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0020] Please refer to the attached document. Figs. 1-2 A peak racket with a multi-layer composite core material, the peak racket includes a racket blade 20 and a handle 10, the racket blade 20 and the handle 10 are integrally formed and connected, wherein the racket blade 20 includes a face material 21, a multi-layer composite core material 22 and a racket frame 23, wherein the multi-layer composite core material 22 is placed inside the racket frame 23, and the face material 21 covers the multi-layer composite core material 22 and the racket frame 23 from both sides to form the whole racket blade 20. The multi-layer composite core material 22 includes a first surface layer 221 and a second surface layer 222, a reinforcing rib layer 223 disposed between the first surface layer 221 and the second surface layer 222, and an adhesive material layer 224 bonded between the first surface layer, the second surface layer and the reinforcing rib layer.

[0021] The reinforcing rib layer 223 of the multilayer composite core material 22 includes a plurality of ribs 2231. The ribs 2231 are evenly spaced and respectively attached to the first surface layer 221 and the second surface layer 222. That is, the 1st / 3rd / 5th / 7th ribs 2231 are attached to the first surface layer 221, and the 2nd / 4th / 6th / 8th ribs are attached to the second surface layer 222. When the first surface layer 221 and the second surface layer 222 are pressed together, the ribs are staggered and inserted into the gaps to fit together seamlessly into a whole.

[0022] The spacing between the two ribs 2231 on the first surface layer 221 corresponds to the ribs on the second surface layer 222. An adhesive material layer 224 is sandwiched between the ribs 2231 that are pasted on different surface layers. The adhesive material layer 224 adheres to the ribs 2231 to form a concave-convex structure.

[0023] The structure between the first surface layer 221 and the second surface layer 222 is entirely composed of reinforcing ribs or partially composed of reinforcing ribs.

[0024] Considering strength and weight, the distribution range can be adjusted according to the specific product model. Since the sweet spot generally has higher requirements for elasticity and toughness, it may be considered to set a reinforced rib layer with special structural design and optimization in the central area.

[0025] Please refer to the attached document. Fig. 3 Therefore, in specific implementation schemes, when the structural portion between the first surface layer 221 and the second surface layer 222 is designed as a reinforcing rib layer 223, the remaining portion, excluding the reinforcing rib layer 223, is filled with the same auxiliary material as the first surface layer / second surface layer. That is, when the central sweet spot is designed as a reinforcing rib layer 223, the surrounding auxiliary material, including the frame structure, is integrated into a single multi-layer composite core material.

[0026] When we need to manufacture a power racket, we consider that the first surface layer 221 and the second surface layer 222 are made of high-density foamed polypropylene, while the ribs 2231 are made of low-density foamed polypropylene. The high-density foamed polypropylene has a foaming ratio of 5 to 13 times, while the low-density foamed polypropylene has a foaming ratio of 13 to 45 times. This creates a power-oriented combination with a hard surface and a soft core.

[0027] When we need to manufacture a control-oriented racket, we would consider making the first surface layer 221 and the second surface layer 222 from low-density polypropylene (EPP), while the ribs 2231 are made from high-density polypropylene (EPP). The high-density polypropylene (EPP) has a foaming ratio of 5 to 13 times, while the low-density polypropylene has a foaming ratio of 13 to 45 times. This results in a control-oriented combination with a softer surface and a harder core.

[0028] The adhesive layer 224 is made of glass fiber or carbon fiber.

[0029] The adhesive layer 224 is made of glass fiber or carbon fiber.

[0030] For the adhesive layer, we can consider using glass fiber or carbon fiber binders. Glass fiber binders are toughness-oriented, while carbon fiber binders are strength-oriented. The choice can be made based on specific needs and design goals.

[0031] The racket with multi-layer composite core material involved in this utility model firstly uses high-density and low-density EPP materials to make a multi-layer composite core material. Furthermore, the combination of high-density and low-density materials is adjusted according to different needs to improve elasticity while controlling the overall weight, optimize the lightweight design of the product, and bring a better user experience.

[0032] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and modifications made to the above embodiments based on the present utility model without departing from the scope of the present utility model shall fall within the scope of the present utility model.

Claims

1. A multi-layered composite core material racket, the racket comprising a racket plate and a handle, the racket plate and the handle being integrally connected, characterized in that, The racket plate comprises a face material, a multi-layer composite core material and a racket frame, the multi-layer composite core material is arranged in the racket frame, the face material is arranged on the multi-layer composite core material and outside the racket frame to form the racket plate as a whole, the multi-layer composite core material comprises a first surface layer and a second surface layer, a reinforcing rib layer arranged between the first surface layer and the second surface layer, and an adhesive material layer arranged between the first surface layer, the second surface layer and the reinforcing rib layer.

2. The pike of the multi-layer composite core material according to claim 1, characterized in that, The reinforcing rib layer of the multi-layer composite core material comprises a plurality of ribs, the ribs are arranged on the first surface layer and the second surface layer at equal intervals, the interval between two ribs on the first surface layer corresponds to the interval between two ribs on the second surface layer, and the adhesive material layer is arranged between the ribs on different surface layers, and the adhesive material layer is arranged between the ribs to form a concave-convex structure.

3. The pike of the multi-layer composite core material according to claim 2, characterized in that, The structure between the first surface layer and the second surface layer is the reinforcing rib layer or a part of the reinforcing rib layer.

4. The pike panel of claim 2, wherein, When the structure between the first surface layer and the second surface layer is a part of the reinforcing rib layer, the remaining part other than the reinforcing rib layer is filled with the same auxiliary material as the first surface layer / second surface layer.

5. The pike according to any one of claims 1 to 4, wherein The first surface layer and the second surface layer are made of high-density foamed polypropylene, and the ribs are made of low-density foamed polypropylene, the foaming ratio of the high-density foamed polypropylene is 5-13 times, and the foaming ratio of the low-density foamed polypropylene is 13-45 times.

6. The pike according to any one of claims 1 to 4, wherein The first surface layer and the second surface layer are made of low-density foamed polypropylene, and the ribs are made of high-density foamed polypropylene, the foaming ratio of the high-density foamed polypropylene is 5-13 times, and the foaming ratio of the low-density foamed polypropylene is 13-45 times.

7. The pike panel of claim 5, wherein, The adhesive material layer is made of glass fiber material or carbon fiber material.

8. The pike panel of claim 6, wherein, The adhesive material layer is made of glass fiber material or carbon fiber material.

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