A shock-absorbing tennis racket
A tennis racket and shock absorber technology, which is applied in the field of sports equipment, can solve problems such as damage to the arm and loss of ball feel, and achieve an excellent shock absorption effect
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Embodiment 1
[0021] Such as figure 1 As shown, the shock-absorbing tennis racket of this embodiment includes a handle 1, a neck 2, a head frame 3, and a net cable 4, wherein the handle 1 is for the user to hold, and the head frame 3 is oval-shaped to support the net cable 4 to as the hitting surface. The part below the head frame 3 that is an inverted triangle is the neck 2, which can also be called a triangle part. Pat neck 2 and head frame 3 joints as the position of a section of arc length of oval head frame 3 is crescent eyebrow 31. The two hypotenuses of the neck 2 are called the yoke 21 , and the connection between the apex of the neck 2 and the handle 1 is called the throat 22 . In the process of hitting the ball, after the ball contacts the net wire 4, the net cord 4 will be severely deformed in an instant, causing the net cord 4 to pull the head frame 3 (comprising the moon eyebrow 31) tightly, and then release it instantaneously to generate strong vibrations. The portion 21 is...
Embodiment 2
[0028] During the research and development process, the inventors found that the shock-absorbing tennis racket in Example 1 is used for too long, and the adjusted adjustment knob 13 will be displaced outward under repeated vibrations, which will affect the stability of the racket. sex.
[0029] The basic structure of the shock-absorbing tennis racket of this embodiment is the same as that of Embodiment 1, except that the knob positioning device and the coating layer of the adjusting rod are added. Such as image 3 As shown, in the shock-absorbing tennis racket of this embodiment, the outer surface of the upper part of the adjustment rod 12 is covered with an elastic layer 121 . The elastic layer 121 can effectively absorb the shock transmitted to the adjusting rod 12 . In turn, the influence on the adjustment knob 13 is reduced.
[0030] Additionally, if Figure 4 As shown, in the shock-absorbing tennis racket of this embodiment, the end surface of the adjustment knob 13 h...
Embodiment 3
[0032] In this embodiment, the filling material used to fill the shock absorber 11 was tested, and it was found that the shock-absorbing effect of the resin microsphere particles was better, and then a variety of resin microsphere particles were tested, and finally it was found that the polystyrene microsphere particles It has strong shock absorption ability. Polystyrene is a polymer synthesized by free radical addition polymerization of styrene monomer and is a conventional material. Polystyrene microspheres are made of polystyrene into micron-sized particles by stirring emulsification, electrospray, membrane emulsification and other methods. Available commercially.
[0033] The particle size of polystyrene microspheres has a certain influence on its shock-absorbing ability. After combination tests, it is found that when the particle size of polystyrene microspheres is 50 microns to 300 microns, the shock-absorbing effect is better. The polystyrene microspheres with differe...
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