CN212491426U - Frame structure of racket - Google Patents

Abstract

A racket frame structure is characterized in that an accommodating groove is axially formed in the inner side of a racket frame body, an opening is formed in the inner side surface of the racket frame body, a plurality of stringing elements are radially arranged in the accommodating groove in a spanning mode, racket strings can be wound on the stringing elements to form a racket frame surface, and therefore a string hole does not need to be drilled in the racket frame, the racket frame structure can be prevented from being damaged, the structural strength of the racket frame can be improved, and the durability of the racket can be effectively improved.

Description

Frame structure of racket

Technical Field

The utility model relates to a racket, in particular to a racket frame structure of the racket.

Background

The racket frame of the common racket is drilled with threading holes at intervals, which can be penetrated by the net strings to form a racket face on the inner side of the racket frame. However, the racket frame is not formed with threading holes, but the threading holes are drilled one by one through secondary processing. The secondary processing of the racket frame for drilling the threading holes can cause the structural damage of the racket frame, and the integral structural strength of the racket frame is weakened due to the fact that the racket frame is fully provided with the threading holes. If the user carelessly hits the racket, the racket frame is easy to break and damage at the threading hole when the racket is rubbed against the ground or the two rackets collide with each other. In view of the above, the present inventors considered that further improvement of the conventional racket is necessary. The inventor of the present invention has been made after detailed thinking, careful research and continuous improvement based on the experience of related product development and manufacture for many years and the spirit of essential refinement.

SUMMERY OF THE UTILITY MODEL

The present invention provides a racket frame structure, which can improve the structural strength of the racket frame, so that the racket frame is not easy to break and damage, and the durability of the racket is improved.

In order to achieve the above object, the present invention provides a frame structure of a racket, which comprises: a racket frame body, wherein an accommodating groove is concavely arranged on the inner side surface along the axial direction; a frame, which is arranged in the containing groove of the racket frame body corresponding to the racket frame body, is hollow, and forms a threading space in the frame, and forms an opening corresponding to the inner side surface of the racket frame body, and is internally provided with a plurality of stringing elements along the radial direction, so that the stringing elements are all arranged on the frame in a crossing way; therefore, the stringing elements can be used for stringing a net string to form the racket surface of the racket inside the racket frame.

Further, each stringing element is composed of two round bars spaced apart from each other by a predetermined distance in the axial direction of the frame body.

Furthermore, each stringing element is a plate body extending along the axial direction of the racket frame body, and the outward side surface of the stringing element is provided with an arc-shaped surface.

Furthermore, the racket frame body is provided with a clamping block respectively arranged on the two side walls of the opening of the containing groove along the axial direction in a protruding way, and the two end parts of the frame corresponding to the clamping blocks of the racket frame body are respectively provided with a shoulder part in a concave way.

Furthermore, the radial sections of the containing groove of the racket frame body and the frame are semicircular.

Furthermore, a limiting groove is formed in the middle of the stringing elements.

Furthermore, the limiting groove is in a concave arc shape corresponding to the net wire.

The racket frame structure of the utility model can be wound with the net wires through the stringing elements and provide the tension of the net wires to form the racket face. Therefore, the racket frame does not need to be subjected to secondary processing for drilling the threading holes, and the structure of the racket frame can be prevented from being damaged, so that the structural strength of the racket frame is improved, and the durability of the racket is effectively improved.

Drawings

Fig. 1 is a perspective view of a racket according to a first embodiment of the present invention.

Fig. 2 is a partially enlarged view of fig. 1.

Fig. 3 is a schematic view of a racket frame with a radial cross section of a first embodiment of the present invention.

Fig. 4 is a schematic view of a partial axial cross section of a racquet frame according to a first embodiment of the present invention.

Fig. 5 is a partial perspective view of a racket according to a second embodiment of the present invention.

Fig. 6 is a partial radial cross-sectional view of a frame according to a second embodiment of the present invention.

Fig. 7 is a partial axial cross-sectional view of a frame according to a second embodiment of the present invention.

Fig. 8 is a schematic radial cross-sectional view of a racquet frame according to a third embodiment of the present invention without the frame removed.

Fig. 9 is a schematic radial cross-sectional view of a third embodiment of the racquet frame with the frame removed.

Fig. 10 is a schematic radial cross-sectional view of a racket frame with strings according to a third embodiment of the present invention.

Description of the main Components

10 racket frame body

11 storage tank

12 locking block

13 clamping block

20 frame

21 threading space

22 opening

23 shoulder

24 shoulder

30 stringing element

31 limiting groove

40 racket frame body

41 accommodating groove

50 frame

51 threading space

52 opening

60 stringing element

61 limiting groove

70 racket frame body

71 containing groove

80 frame

90 stringing element

91 insert part

92 embedding part

93 limit groove

200 network cable

Detailed Description

Referring to fig. 1 to 4, a frame structure of a racket is disclosed, which includes:

a racket frame body 10, which is provided with a containing groove 11 with a semicircular section along the axial inner side in a concave manner, and an opening is formed on the inner side, the racket frame body 10 is integrally formed by carbon fiber, and the openings of the racket frame body 10 are respectively provided with a clamping block 12 and a clamping block 13 with a rectangular section along the axial direction on two side walls of the containing groove 11 in a convex manner.

A frame 20, which is strip-shaped, the radial section of which is corresponding to the shape of the containing groove 11 of the racket frame body 10 and also is semicircular, so that the frame can be just arranged in the containing groove 11 of the racket frame body 10 and is completely attached to the inner side wall of the containing groove 10, the frame 20 is hollow, a threading space 21 is formed inside the frame, an opening 22 is formed corresponding to the inner side surface of the racket frame body 10, in addition, two ends of the frame 20 are respectively provided with a shoulder 23 and a shoulder 24 corresponding to the clamping blocks 12 and 13 of the racket frame body 10 in a concave manner, and the clamping action formed by the clamping blocks 12 and 13 and the shoulders 23 and 24 is used for increasing the combination strength of the racket frame body 10 and the frame 20 and improving the tensile strength.

A plurality of stringing elements 30, which are disposed through the two sides of the frame 20 at intervals and are disposed in the accommodating space of the frame 20, in the embodiment, each stringing element 30 is composed of two round bars spaced at a predetermined interval along the axial direction of the racket frame body 20, so that the stringing elements 30 are disposed in the frame 20 in a straddling manner. When the frame 20 is fitted in the accommodating groove 11, the stringing elements 30 all cross over the accommodating groove 11, and a limiting groove 31 is annularly arranged in the middle of the stringing elements 30, and the limiting groove 31 is generally in a concave arc shape corresponding to the net wire.

Therefore, the present invention can allow a net string 200 to be threaded around the upper and lower edges of the stringing elements 30 and the threading space 21 of the frame 20, and the net string 200 is limited in the limiting groove 31, so that the net string 200 is provided to form a racket face through the stringing elements 30, and the net string 200 forms a racket face inside the racket frame body 10.

For further understanding of the structural features, operational features, and intended advantages of the invention, reference will now be made in detail to the present invention, which is believed to provide a further and more thorough understanding of the present invention.

Referring to fig. 1 to 4, the present invention uses more than two molding methods, first, the frame 20 is molded by a mold, then, the outer side of the frame 20 is covered by a carbon fiber cloth, and then the frame is placed in another mold for heating and pressing molding, so that the carbon fiber cloth is covered outside the frame 20, thereby forming a racket frame body 10 made of carbon fiber material and keeping the threading space 21 formed inside the frame 20.

Because the carbon fiber cloth forming the racket frame body 10 is coated outside the frame 20, and the carbon fiber cloth and the frame 20 are put together in a mold and are hardened and combined for molding at high temperature and high pressure, the racket frame body 10 and the frame 20 can be completely compounded into a whole, and the tensile strength of the stringing elements 30 can be improved by the clamping action formed by the clamping blocks 12 and 13 and the shoulders 23 and 24, so that the stringing elements 30 can be provided as a line frame for forming a racket face of the net thread 200.

Therefore, the racket frame body 10 does not need to drill threading holes for stringing on the racket frame body 10, so that the structure of the racket frame body 10 can be prevented from being damaged, the structural strength of the racket frame body 10 is improved, and the durability of the racket is effectively improved.

It should be noted that, in addition to the wire frame 30 and the frame 20 being integrally formed, the wire frame 30 and the frame 20 may be assembled by different materials, for example, the frame 20 may be made of a flexible plastic material, and the wire frame 30 may be made of a high-strength metal material which is not easily broken.

Referring to fig. 5 and fig. 6, a second embodiment of the present invention is disclosed, which includes a racket frame body 40, a containing groove 41 is recessed along an axial inner side of the racket frame body, a frame 50 is disposed in the containing groove, a stringing element 60 is disposed in the frame 50 for erecting a net string 200, and the difference between the first embodiment of the present invention and the second embodiment of the present invention is: each stringing element 60 is an arc-shaped plate extending along the axial direction of the racket frame body 40, so that the stringing element 60 has an arc-shaped surface outwards, the net wire 200 can be wound on the upper edge and the lower edge of the stringing element 60, and a limiting groove 61 is axially and concavely arranged at the center of the outer side surface of the stringing element 60 to limit the net wire 200. As for the other structural features of the second embodiment and the efficacy achieved thereby, the first embodiment is similar to the second embodiment, and thus the description is omitted.

Referring to fig. 8 to 10, a third embodiment of the present invention is disclosed, which is different from the first embodiment of the present invention in that: the frame 80 is a solid at normal temperature and can be melted when encountering high heat, such as plastic material, the stringing elements 90 are made of high-temperature-resistant material, such as metal material, two ends of the stringing elements 90 protrude out of the frame 80 to form an embedded part 91, 92 respectively, and a limit groove 93 is also arranged at the center of the stringing elements 90 in a surrounding manner, the racket frame forming method of the embodiment is that two sides and the bottom of the frame 80 are coated with carbon fiber cloth by resin, the racket frame is placed in a mold, heated and pressed to form, the frame 80 is melted by high heat, the racket frame body 70 is further formed, the racket frame body 70 forms a containing groove 71 at the original position of the frame 80, the stringing elements 90 are arranged in the containing groove 71 in a spanning manner, the embedded parts 92, 92 at two ends of the stringing elements 90 are embedded in the racket frame body 70, for the mesh wire 200 to pass through, the weight can be reduced compared with the previous embodiment.

It should be noted that the frame 80 may also be a material that can be dissolved by a chemical solvent, such as a foam material, so that the same effect as above can be achieved by soaking the frame 80 in the chemical solvent after the racket frame body 70 is formed.

Claims (7)

1. A frame structure of a racket, comprising:

a racket frame body, wherein an accommodating groove is concavely arranged on the inner side surface along the axial direction;

a frame, which is arranged in the containing groove of the racket frame body corresponding to the racket frame body, is hollow, and forms a threading space in the frame, and forms an opening corresponding to the inner side surface of the racket frame body, and is internally provided with a plurality of stringing elements along the radial direction, so that the stringing elements are all arranged on the frame in a crossing way;

therefore, the stringing elements can be used for stringing a net string to form the racket surface of the racket inside the racket frame.

2. The frame structure of racket of claim 1, wherein each of the stringing elements is composed of two round bars spaced apart from each other at a predetermined interval in the axial direction of the frame body.

3. The frame structure of a racket of claim 1, wherein each stringing member is a plate extending in an axial direction of the frame body, and the stringing member has an arc-shaped surface toward an outer side surface.

4. The racket frame structure of claim 1, wherein two side walls of the racket frame body at the opening of the receiving groove are respectively provided with a protruding catch block along the axial direction, and two ends of the frame corresponding to the catch blocks of the racket frame body are respectively provided with a concave shoulder.

5. The frame structure of racket as claimed in claim 1, wherein the radial cross-sections of the receiving groove and the frame of the frame body are semi-circular.

6. The frame structure of a racket as claimed in claim 1, wherein the stringing elements are provided at the middle ring thereof with a catching groove.

7. The frame structure of racket as claimed in claim 6, wherein the catching groove is formed in a concave arc shape corresponding to the string.

Images