CN212651315U

CN212651315U - Adjustable tennis racket

Info

Publication number: CN212651315U
Application number: CN202020782986.3U
Authority: CN
Inventors: 赵守育
Original assignee: Shishi Kuaidikuai Sporting Goods Co ltd
Current assignee: Shishi Kuaidikuai Sporting Goods Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-03-05
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses an adjustable tennis racket, which belongs to the technical field of sports goods and comprises a racket frame, a net wire and a racket handle, the racket handle comprises a handle rod and a handle, the handle rod is detachably connected between the racket frame and the handle, the joint of the handle rod and the racket frame is provided with a four-branch part with a tree-shaped structure, an adjusting mechanism is arranged between the handle rod and the handle, the adjusting mechanism comprises a plurality of through holes and a first fastener which are arranged on the handle rod, the first fastener comprises a positioning bolt and a locking sleeve, the locking sleeve is provided with a knob part, the racket frame is also provided with a movable fastening sleeve for adjusting the gravity center of the racket frame, the utility model is provided with an adjusting mechanism, which can adjust the length of the tennis racket, and the movable fastening sleeve can be fastened at the outer side of the racket frame according to the requirement, and the gravity of the racket frame is adjusted by the gravity of the racket frame, so that the hand feeling of the tennis racket is adjusted when the racket is swung.

Description

Adjustable tennis racket

Technical Field

The utility model discloses a tennis racket with adjustable belongs to sports goods technical field.

Background

In tennis sports, for example, a pumping ball and a high-pressure ball need good strength quality, so that the tennis training can cultivate the agility, judgment and reaction sensitivity of people, improve the quality of speed, strength, endurance, sensitivity and the like, and become an increasingly popular body-building mode by using a tennis racket to train tennis; however, most of the existing tennis rackets cannot adjust the length and the gravity center of the tennis racket, and the hand feeling of the swing racket is directly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing an adjustable tennis racket.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a tennis racket with adjustable, including frame, net twine and handle, the handle includes handle pole and handle, the connection can be dismantled between frame and handle to the handle pole, the handle pole has branch-like structure's four trouble portions with the junction of frame, be provided with adjustment mechanism between handle pole and the handle, adjustment mechanism is including a plurality of through-holes and the first fastener that are located the handle pole, first fastener includes positioning bolt and lock sleeve, be provided with knob portion on the lock sleeve, still be provided with on the frame and be used for adjusting its centrobaric activity adapter sleeve.

Through adopting above-mentioned technical scheme, set up adjustment mechanism, its length that can adjust tennis racket, activity adapter sleeve can fasten the outside at the frame according to the demand simultaneously, and rely on the gravity of self to adjust the focus of frame, thereby adjust the degree of feel of tennis racket when waving the bat, and the handle pole passes through branch's four branches portion and frame fixed connection of dendritic structure, compare with the atress structure of traditional tennis racket, more have stability, can effectively avoid taking place the condition of rupture, handle and handle pole can be dismantled simultaneously, so that the accommodation space of tennis racket is littleer, also can change after handle pole bending deformation.

Preferably, the movable fastening sleeve comprises an upper connecting sleeve and a lower connecting sleeve, the upper connecting sleeve and the lower connecting sleeve are provided with arc-shaped through grooves, horizontal portions are arranged on the same side of the upper connecting sleeve and the lower connecting sleeve, and the horizontal portions are connected through a second fastening piece.

Through adopting above-mentioned technical scheme, go up the adapter sleeve and pass through the second fastener with lower adapter sleeve and can fix on the different positions of frame, position control between them is convenient simple, and the fastening nature of second fastener can be guaranteed to the horizontal part simultaneously.

Preferably, the second fastening member includes an adjustment bolt connected to the nut through the horizontal portion, a nut, and a spring located outside the adjustment bolt.

Through adopting above-mentioned technical scheme, utilize and support tight upper connecting sleeve and lower connecting sleeve, avoid both to take place to slide.

Preferably, the arc-shaped through groove is internally provided with a tight-supporting sleeve made of rubber, and the tight-supporting sleeve is positioned at two ends of the arc-shaped through groove.

Through adopting above-mentioned technical scheme, set up to support the cover, it can avoid scraping the surface of flower frame when adjusting movable adapter sleeve, and two support the cover and can guarantee that movable adapter sleeve atress is balanced.

Preferably, the handle rod is connected with the racket frame through a screw, and the end of the knob part is provided with a cross-shaped bulge.

Through adopting above-mentioned technical scheme, set up the cross arch, it can the elasticity screw to make things convenient for the dismouting of tennis racket.

Preferably, the handle is further provided with a positioning sleeve for positioning the handle rod, and the positioning sleeve is internally provided with a stepped hole.

By adopting the technical scheme, the positioning sleeve is arranged, the two-point positioning of the handle rod can be realized by the stepped hole and the adjusting mechanism inside the positioning sleeve, and meanwhile, the handle rod and the handle are conveniently connected.

Compared with the prior art, the beneficial effects of the utility model are that:

set up adjustment mechanism, its length that can adjust tennis racket, the activity adapter sleeve can fasten the outside at the frame according to the demand simultaneously, and rely on the gravity of self to adjust the focus of frame, thereby adjust the degree of feel of tennis racket when waving the bat, and the four forks portion and the frame fixed connection of handle pole through dendritic structure, compare with traditional tennis racket's stress structure, more have stability, can effectively avoid taking place the condition of rupture, handle and handle pole can be dismantled simultaneously, so that tennis racket's accommodation space is littleer, also can change after handle pole bending deformation.

Drawings

FIG. 1 is a schematic view of an adjustable tennis racket according to the present invention;

FIG. 2 is a side view of an adjustable tennis racket of the present invention;

FIG. 3 is a schematic structural view of the middle stem of the present invention;

FIG. 4 is a schematic structural view of the middle positioning sleeve of the present invention;

fig. 5 is a schematic structural view of the middle movable fastening sleeve of the present invention.

Reference numerals: 1. a handle; 2. a locking sleeve; 3. a handle bar; 4. a movable fastening sleeve; 5. a network cable; 6. a racket frame; 7. a screw; 8. a positioning sleeve; 9. positioning the bolt; 10. a cross-shaped bulge; 11. a four-branch portion; 12. a knob portion; 13. a lower connecting sleeve; 14. a through hole; 15. a stepped hole; 16. abutting the sleeve; 17. connecting sleeves are arranged; 18. adjusting the bolt; 19. a horizontal portion; 20. a spring; 21. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, an adjustable tennis racket comprises a racket frame 6, a string 5 and a racket handle, wherein the racket handle is detachably connected with the racket frame 6, the specific structure of the racket handle is composed of a handle 1 and a handle rod 3, one end of the handle rod 3 connected with the racket frame 6 is provided with a four-branch part 11 with a tree-like structure, the racket frame 6 is positioned in the four-branch part 11 and is fastened through a screw 7, the two-point connection can ensure the stress stability of the racket frame 6 during batting, compared with the stress structure of the traditional tennis racket, the racket handle 3 can effectively avoid the situation of breaking, an adjusting mechanism is arranged between the handle rod 3 and the handle 1, the adjusting mechanism is mainly composed of a through hole 14 and a first fastening piece, the through hole 14 is positioned at one end of the handle rod 3 extending into the handle 1, a plurality of the through holes are arranged at equal intervals, the first fastening piece comprises a positioning bolt 9 and a locking sleeve 2, the positioning bolt 9 is in threaded connection with the locking sleeve 2 after passing, the length of the handle rod 3 can be adjusted by inserting the positioning bolt 9 into different through holes 14, so that a user can shorten or lengthen the tennis racket according to needs, and the locking sleeve 2 and the positioning bolt 9 can be conveniently disassembled and assembled, a knob portion 12 is provided on the locking sleeve 2 to increase the torsion thereof, and in order to remove the screw 7 between the handle 3 and the racket frame 6, a cross-shaped protrusion 10 may be provided on the knob portion 12, the handle 1 is also provided with a positioning sleeve 8 for positioning the handle rod 3, a stepped hole 15 is arranged in the positioning sleeve 8, when the handle 3 is inserted into the handle 1, the handle is not swung, the two-point positioning of the handle 3 can be realized by utilizing the stepped hole 15 and the adjusting mechanism in the positioning sleeve 8, and the connection of the handle 3 and the handle 1 is also facilitated, moreover, the positioning sleeve 8 can be transparent in order to ensure that the positioning bolt 9 can pass through the through hole 14 smoothly.

Secondly, the center of gravity of the conventional tennis racket is fixed at a certain point, and since the holding posture and position of each person are different, the smooth swing action cannot be achieved during use, thereby affecting the batting effect, and therefore the center of gravity of the tennis racket needs to be adjusted, in order to solve the problem, the racket frame 6 is added with the movable fastening sleeve 4, the main structure of the racket frame comprises an upper connecting sleeve 17 and a lower connecting sleeve 13, the upper connecting sleeve 17 and the lower connecting sleeve 13 are provided with arc-shaped through grooves, the same side of the two is provided with a horizontal part 19, the horizontal part 19 is connected through a second fastening piece, the upper connecting sleeve 17 and the lower connecting sleeve 13 can be fixed at different positions of the racket frame 6 through the second fastening piece, the position adjustment of the two parts is convenient and simple, meanwhile, the horizontal part 19 can ensure the tightness of the second fastening piece, the second fastening piece comprises an adjusting bolt 18, a nut 21 and a spring, wherein adjusting bolt 18 passes horizontal part 19 and is connected with nut 21, and spring 20 is located adjusting bolt 18's the outside, and the logical inslot of arc is provided with the tight cover 16 that supports that rubber made, supports tight cover 16 and is located the both ends that the arc led to the groove, utilizes to support tight cover 16 and can avoid scraping the surface of colored racket frame 6 when adjusting movable adapter sleeve 4, and two support tight covers 16 can guarantee that movable adapter sleeve 4 atress is balanced.

In this embodiment, the frame 6 and the handle are both hollow structures, which can reduce the weight, and the frame 6 is made of thermosetting resin carbon fiber reinforced composite material, which improves the overall rigidity and meets the requirement of bearing higher tension of the net strings 5, while the handle is made of thermoplastic resin carbon fiber reinforced composite material, which meets the requirements of users on the shock-absorbing performance and comfort of the tennis racket.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The adjustable tennis racket comprises a racket frame (6), a string (5) and a racket handle, and is characterized in that the racket handle comprises a handle rod (3) and a handle (1), the handle rod (3) is detachably connected between the racket frame (6) and the handle (1), a four-branch part (11) with a dendritic structure is arranged at the joint of the handle rod (3) and the racket frame (6), an adjusting mechanism is arranged between the handle rod (3) and the handle (1), the adjusting mechanism comprises a plurality of through holes (14) on the handle rod (3) and a first fastener, the first fastener comprises a positioning bolt (9) and a locking sleeve (2), a knob part (12) is arranged on the locking sleeve (2), and a movable fastening sleeve (4) for adjusting the gravity center of the racket frame (6) is further arranged on the racket frame.

2. An adjustable tennis racket as claimed in claim 1, wherein said movable fastening sleeve (4) comprises an upper connecting sleeve (17) and a lower connecting sleeve (13), said upper connecting sleeve (17) and lower connecting sleeve (13) having an arc-shaped through slot, and a horizontal portion (19) is provided on the same side of both, said horizontal portions (19) being connected by a second fastening member.

3. An adjustable tennis racket according to claim 2, wherein said second fastening means comprises an adjusting bolt (18), a nut (21) and a spring (20), said adjusting bolt (18) passing through the horizontal portion (19) to be connected with the nut (21), said spring (20) being located outside the adjusting bolt (18).

4. An adjustable tennis racket as claimed in claim 3, wherein said arcuate channel has an abutment (16) formed of rubber disposed therein, said abutment (16) being disposed at each end of said arcuate channel.

5. An adjustable tennis racket according to claim 4, characterized in that said handle (3) is connected to the frame (6) by means of screws (7), and that the end of said knob portion (12) has a cross-shaped protrusion (10).

6. An adjustable tennis racket as claimed in claim 5, characterized in that said handle (1) is further provided with a positioning sleeve (8) for positioning the handle shaft (3), said positioning sleeve (8) having a stepped hole (15) therein.