Tennis racket holding posture training structure

By incorporating an adjustable weight assembly and a thermochromic grip inside the tennis racket handle, the problem of non-adjustable racket weight has been solved, enabling flexible grip training and reducing the risk of injury, while improving hitting performance and comfort.

CN223760358UActive Publication Date: 2026-01-06JIMEI UNIV
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423104910.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2026-01-06
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

The current tennis racket handle structure is simple and the weight cannot be adjusted, making it difficult for beginners to master the correct grip posture, affecting the hitting effect and comfort, and posing a risk of injury.

Method used

A tennis racket grip training structure was designed, featuring an octagonal handle with an adjustable weight assembly and a thermochromic polyurethane grip. The weight assembly is fixed by a plate and magnets, and the thermochromic material records the grip posture, providing a comfortable grip and adjustable weight.

Benefits of technology

By adjusting the handle weight and using thermochromic materials to assist in proper grip, grip strength and endurance can be improved, the risk of injury during training can be reduced, and the accuracy and comfort of hitting the ball can be enhanced.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223760358U_ABST
    Figure CN223760358U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of sports equipment, and discloses a tennis racket holding posture training structure which comprises a racket handle and racket faces, the racket handle is of an octagonal structure, each face of the racket handle in the clockwise direction is respectively provided with an indication mark number, a balance weight chamber is arranged in the racket handle, a balance weight assembly is arranged in the balance weight chamber, and the racket faces are provided with the indication marks. The balance weight assembly comprises a first balance weight core and a second balance weight core, the second balance weight core is arranged in the first balance weight core in an inserted mode, sliding grooves are symmetrically formed in the balance weight chamber, the first balance weight core is provided with a plurality of sets of first clamping plates which are symmetrically arranged, the first clamping plates are provided with rubber clamping beads, and second clamping plates are arranged in the sliding grooves. A clamping groove matched with the rubber clamping bead is formed in one face of the second clamping plate, and the edge of the clamping groove is designed into a round corner. The device can assist a user in correctly holding the racket, and the self weight of the racket can be flexibly adjusted, so that the grip strength training of the user is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of sports equipment technology, specifically to a tennis racket grip posture training structure. Background Technology

[0002] Tennis is a ball sport that requires the use of a tennis racket and a tennis ball. The grip is fundamental to tennis technique, directly affecting the effectiveness and accuracy of shots, as well as the player's comfort and stability.

[0003] For beginners, a poor grip can lead to injuries due to difficulty in controlling the racket and the power of the shot when hitting and receiving the ball. Current tennis racket handles are simple octagonal prisms with a fixed weight at the factory, making it impossible to change the racket's weight and provide users with the necessary grip strength training for various situations. Utility Model Content

[0004] (I) Technical problems to be solved

[0005] The technical problem to be solved by this utility model is to overcome the above-mentioned defect of not being able to adjust the weight of the racket handle, and to provide a tennis racket grip posture training structure.

[0006] (II) Technical Solution

[0007] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: a tennis racket grip posture training structure, including a racket handle and a racket face. The racket handle has an octagonal structure, and each face of the racket handle is provided with an indicator number in a clockwise direction. The racket handle has a weight chamber, and the weight chamber has a weight assembly. The weight assembly includes a weight core one and a weight core two. The weight core two is inserted into the weight core one. The weight chamber has symmetrically arranged sliding grooves. The weight core one has multiple symmetrically arranged locking plates one. The locking plates one have rubber locking beads. The sliding grooves have locking plates two. One side of the locking plate two has a locking groove that cooperates with the rubber locking beads, and the edge of the locking groove is designed with rounded corners.

[0008] As an improvement: the side of the handle parallel to the racket face is the initial surface for the indicator number, and the outer surface of the handle is made of thermochromic polyurethane material. The thermochromic polyurethane material can change color when the temperature changes, which can record the user's grip contact surface, thus facilitating later adjustments. In addition, this thermochromic material has good elasticity and wear resistance, and can provide a comfortable grip and good grip strength.

[0009] As an improvement: both the first and second sets of card plates are five in number, and the spacing between two adjacent first sets of card plates is the same. One side of the first counterweight core is provided with a knob, which is used to rotate the first counterweight core. The design of multiple sets of first and second sets of card plates increases the friction between them, making the first counterweight core more stable in the counterweight chamber.

[0010] As an improvement: the first counterweight core has a slot at one end of its opening, and the second counterweight core has a rod that fits the slot. One end of the rod has a magnet. The rod is inserted into the slot. The first counterweight core is made of iron. The magnet at one end of the rod enables the first and second counterweight cores to be fixedly assembled.

[0011] As an improvement: the bottom surface of the handle is provided with a threaded groove, and a cover is provided in the threaded groove. The cover is used to seal the counterweight chamber and prevent the counterweight core from slipping out.

[0012] (III) Beneficial Effects

[0013] The advantages of this utility model compared with the prior art are as follows:

[0014] 1. The racket handle is equipped with a detachable counterweight component, which can flexibly change the weight of the racket according to training needs. By adjusting the weight of the racket, grip strength can be trained, and the user's grip endurance and hand strength can be improved.

[0015] 2. The indicator markings on the handle and the temperature-sensitive material on the surface can help users hold the racket in the correct grip posture, thereby reducing the risk of injury during training. Attached Figure Description

[0016] Figure 1 This is an exploded structural diagram of a tennis grip posture training structure according to the present invention.

[0017] Figure 2 This is a schematic diagram of the racket handle structure from below, representing a tennis racket grip posture training structure according to this utility model.

[0018] Figure 3 yes Figure 2 A magnified schematic diagram of part A in the middle.

[0019] Figure 4 This is a schematic diagram of the combined structure of the counterweight components.

[0020] Figure 5 yes Figure 4 A magnified schematic diagram of part B in the middle section.

[0021] Figure 6 yes Figure 4 A magnified schematic diagram of a portion of the C-shaped structure.

[0022] As shown in the figure: 1. Handle; 2. Racket face; 3. Counterweight chamber; 4. Counterweight core one; 5. Counterweight core two; 6. Slide groove; 7. Clamping plate one; 8. Rubber clamping bead; 9. Clamping plate two; 10. Clamping slot; 11. Knob; 12. Slot; 13. Insert rod; 14. Threaded groove; 15. Cover. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings. Identical components are indicated by the same reference numerals.

[0024] It should be noted that the terms “front,” “back,” “left,” “right,” “up,” and “down” used in the following description refer to the directions shown in the attached diagram, while the terms “inside” and “outside” refer to the directions toward or away from the geometric center of a specific component, respectively.

[0025] To make the content of this utility model easier to understand, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0026] Example 1

[0027] Combined with appendix Figure 1 As shown, a tennis grip posture training structure includes a handle 1 and a racket face 2. The handle 1 has an octagonal structure. Each surface of the handle 1 is provided with an indicator number in a clockwise direction. The side of the handle 1 parallel to the racket face 2 is the initial surface of the indicator number, that is, the surface is marked with the number "1". An indicator point is provided on the surface marked with the number "2".

[0028] Combined with appendix Figures 2 to 4 , Figure 6 As shown, the handle 1 has a counterweight chamber 3 inside, and a counterweight assembly is provided inside the counterweight chamber 3. The counterweight assembly includes a first counterweight core 4 and a second counterweight core 5. The second counterweight core 5 is inserted into the first counterweight core 4. The counterweight chamber 3 has symmetrically arranged sliding grooves 6. The first counterweight core 4 has multiple symmetrically arranged locking plates 7. The first locking plate 7 has rubber beads 8. The rubber beads 8 are made of rubber and have a certain degree of elasticity. The sliding groove 6 has a second locking plate 9. There are five sets of first locking plates 7 and second locking plates 9. The spacing between two adjacent first locking plates 7 is the same. One side of the second locking plate 9 has a groove 10 that cooperates with the rubber beads 8. The edge of the groove 10 is designed with rounded corners. One side of the first counterweight core 4 has a knob 11.

[0029] With the above structure, when the user trains the grip posture, they place the knuckle of their index finger near the base of the finger on the side marked with the number "2" to hold the handle 1. This posture is a forehand grip, which can handle both forehand and backhand balls. When training grip strength, the user can adjust the weight of the handle 1 to train grip strength. Depending on the training situation, the user can selectively insert either the first weight core 4 or the second weight core 5 into the weight chamber 3. If the maximum weight increase is required, the first weight core 4 and the second weight core 5 are assembled together, and then the assembled weight assembly is inserted into the weight chamber 3. The first locking plate 7 rotates in the slide groove 6, and the first locking plate 7 is rotated between the two second locking plates 9, so that the rubber ball 8 is locked in the slot 10, thus completing the fixation of the first weight core 4.

[0030] Combined with appendix Figure 1 and Figure 2 As shown, the outer side of the handle 1 is made of thermochromic polyurethane material, and the bottom surface of the handle 1 is provided with a threaded groove 14, and a cap 15 is provided in the threaded groove 14.

[0031] Through the above structure, the color-changing polyurethane material is a thermochromic material that can change color at hand temperature, indicating the color of the grip area, thereby allowing observation of whether the grip posture is correct. At the same time, the material has good elasticity and wear resistance, providing a comfortable grip and good grip strength. The detachable design of the 15-inch cap facilitates the assembly and disassembly of the counterweight components.

[0032] Example 2

[0033] Based on Example 1, combined with Appendix Figure 5 As shown, the counterweight core 4 has a slot 12 at one end of its opening, and the counterweight core 5 has a rod 13 that is adapted to the slot 12. One end of the rod 13 has a magnet.

[0034] With the above structure, the insertion rod 13 is aligned with the slot 12 and inserted. The first counterweight core 4 is made of iron. The magnet securely attracts the second counterweight core 5 into the first counterweight core 4. With the cooperation of the rubber ball 8 and the slot 10, the assembled end of the first counterweight core 4 is tightly attached to the top surface of the counterweight chamber 3 to ensure the stability of the counterweight assembly during use.

[0035] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A tennis grip posture training structure, comprising a handle (1) and a face (2), the handle (1) is an octagonal structure, characterized in that: the handle (1) is provided with an indication mark on each face in a clockwise direction, and the handle (1) is internally provided with a counterweight chamber (3), the counterweight chamber (3) is internally provided with a counterweight assembly, the counterweight assembly comprises a counterweight core one (4) and a counterweight core two (5), the counterweight core two (5) is inserted into the counterweight core one (4); a sliding groove (6) is symmetrically arranged in the counterweight chamber (3), a plurality of sets of symmetrically arranged clamping plates one (7) are arranged on the counterweight core one (4), a rubber clamping bead (8) is arranged on the clamping plate one (7), a clamping plate two (9) is arranged in the sliding groove (6), one side of the clamping plate two (9) is provided with a clamping groove (10) matched with the rubber clamping bead (8), and the edge of the clamping groove (10) is designed as a round corner.

2. A tennis grip posture training structure according to claim 1, characterized in that: The handle (1) and the face (2) are parallel to one side of the indication mark initial face, and the outer side of the handle (1) is made of a thermochromic polyurethane material.

3. The tennis grip posture training structure according to claim 1, characterized in that: The clamping plate one (7) and the clamping plate two (9) are both five sets, the distance between two adjacent clamping plates one (7) is the same, and one side of the counterweight core one (4) is provided with a knob (11).

4. The tennis grip posture training structure according to claim 1, characterized in that: An insertion slot (12) is arranged at an open end of the counterweight core one (4), an insertion rod (13) matched with the insertion slot (12) is arranged on the counterweight core two (5), and one end of the insertion rod (13) is provided with a magnet.

5. The tennis grip posture training structure according to claim 1, characterized in that: A threaded groove (14) is arranged on the bottom surface of the handle (1), and a cover (15) is threadedly connected in the threaded groove (14).