CN219879061U - Length-adjustable tennis racket - Google Patents

Length-adjustable tennis racket Download PDF

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Publication number
CN219879061U
CN219879061U CN202320843843.2U CN202320843843U CN219879061U CN 219879061 U CN219879061 U CN 219879061U CN 202320843843 U CN202320843843 U CN 202320843843U CN 219879061 U CN219879061 U CN 219879061U
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China
Prior art keywords
racket
adjusting
tennis racket
fixedly connected
tennis
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Application number
CN202320843843.2U
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Chinese (zh)
Inventor
吕彦
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Changshu Institute of Technology
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Changshu Institute of Technology
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Priority to CN202320843843.2U priority Critical patent/CN219879061U/en
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Publication of CN219879061U publication Critical patent/CN219879061U/en
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Abstract

The utility model discloses a tennis racket with adjustable length, which comprises an elliptical racket frame and a racket handle, wherein a wiring hole is formed in the surface of the elliptical racket frame, tennis strings are inserted into the surface of the wiring hole, a shock absorber is arranged on the surface of the tennis strings, a string tightening device is arranged on the side surface of the elliptical racket frame, a connecting rod is fixedly connected with the surface of the elliptical racket frame, a gravity center adjusting device is arranged on the surface of the connecting rod, a sliding adjusting device is fixedly connected with the bottom end of the connecting rod, the racket handle is fixedly connected with the bottom end of the sliding adjusting device, an anti-sliding sleeve is fixedly arranged on the surface of the racket handle, and the adjusting rod can slide by screwing a locking bolt.

Description

Length-adjustable tennis racket
Technical Field
The utility model relates to the technical field of tennis rackets, in particular to a tennis racket with adjustable length.
Background
Tennis is a graceful and violent sports, and the origin and development of tennis can be summarized by four sentences: the tennis ball is inoculated in France, is born in the United kingdom, starts to be popularized and forms climbs in the United states, is currently popular worldwide and is called world second-world ball sports, and better strength quality is required for hitting in tennis sports such as pulling ball and high-pressure ball, so that the quality of action agility, judgment and response of people can be improved, and the speed, strength, endurance, sensitivity and the like can be improved.
Different tennis rackets are suitable for different crowds, the racket handles are longer, the tennis racket for students is shorter, the length of the racket handles cannot be adjusted randomly by the existing tennis racket, the same tennis racket cannot be simultaneously suitable for the crowds of different age groups, and the existing tennis racket lacks a gravity center adjusting device to influence the hand feeling of a user.
Disclosure of Invention
The utility model aims to provide a tennis racket with adjustable length, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a length adjustable tennis racket, includes oval frame and net handle, the wiring hole has been seted up on oval frame's surface, the surface grafting of wiring hole has the tennis line, the surface mounting of tennis line has the bumper shock absorber, the side-mounting of oval frame has a tight line device, oval frame's fixed surface is connected with the connecting rod, the surface of connecting rod is provided with focus adjusting device, the bottom fixedly connected with slip adjusting device of connecting rod, the bottom fixedly connected with net handle of slip adjusting device, net handle's fixed surface installs the antiskid cover, net handle's bottom fixedly connected with anticreep piece, the bottom fixed mounting of anticreep piece has the protection piece.
Preferably, sweat absorbing holes are formed in the surface of the anti-skid sleeve, and a strip-shaped anti-skid block is arranged on the surface of the anti-skid sleeve.
Preferably, the sliding adjusting device comprises an adjusting sleeve, a locking bolt and an adjusting rod, wherein the bottom end of the adjusting sleeve is fixedly connected with the racket handle, a bolt groove is formed in the surface of the adjusting sleeve, the locking bolt is mounted on the surface of the adjusting sleeve, the inner wall of the adjusting sleeve is slidably connected with the adjusting rod, and a sliding groove is formed in the surface of the adjusting rod.
Preferably, the gravity center adjusting device comprises a gravity center block and an adjusting groove, wherein the adjusting groove is formed in the surface of the connecting rod, and the gravity center block is connected to the surface of the adjusting groove in a sliding mode.
Preferably, the wire tightening device comprises a wire tightening bolt and a threaded connecting cylinder, and the surface of the threaded connecting cylinder is in threaded connection with the wire tightening bolt.
Preferably, a compression spring is fixedly arranged at the bottom end of the sliding groove, and a sliding block is fixedly connected with the other end of the compression spring.
Advantageous effects
The utility model provides a tennis racket with adjustable length, which has the following beneficial effects:
1. this length adjustable tennis racket through setting up slip adjusting device, through twisting the locking bolt, makes the regulation pole can slide, carries out spacing regulation to the length of the pole portion of tennis racket through making locking bolt and the slip recess lock on adjusting the pole, realizes adjusting the length of tennis racket, satisfies a tennis racket and can let different crowds use, lets the utensil obtain fully used.
2. This length adjustable tennis racket through setting up focus adjusting device, sets up the adjustment tank on the surface of connecting rod, through sliding the focus piece on the adjustment tank, improves user's use feel, through setting up tight line device, twists and tightens line bolt and makes tennis line pull tighter, is suitable for the ball of different dynamics, protects the tennis racket.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a sliding adjustment device;
FIG. 3 is a schematic perspective view of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3B;
fig. 5 is an enlarged schematic view of the structure at a in fig. 1.
In the figure: 1. an elliptical racket frame; 2. a racket handle; 3. a wiring hole; 4. tennis strings; 5. a damper; 6. a wire tightening device; 601. tightening a wire bolt; 602. a threaded connection barrel; 7. a connecting rod; 8. a center of gravity adjusting device; 801. a center of gravity block; 802. an adjustment tank; 9. a sliding adjustment device; 901. an adjustment sleeve; 902. a locking bolt; 903. an adjusting rod; 904. a bolt slot; 905. a sliding groove; 906. a compression spring; 907. a slide block; 10. an anti-skid sleeve; 11. an anti-falling block; 12. a protective block; 13. sweat absorbing holes; 14. an anti-skid block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a length adjustable tennis racket, includes oval racket frame 1 and net handle 2, wiring hole 3 has been seted up on oval racket frame 1's surface, peg graft in wiring hole 3's surface has tennis line 4, tennis line 4's surface mounting has bumper shock absorber 5, oval racket frame 1's side-mounting has a line tightening device 6, line tightening device 6 includes line tightening bolt 601 and threaded connection section of thick bamboo 602, threaded connection section of thick bamboo 602's surface threaded connection has line tightening bolt 601, oval racket frame 1's fixed surface is connected with connecting rod 7, connecting rod 7's surface is provided with focus adjusting device 8, focus adjusting device 8 includes focus piece 801 and adjustment tank 802, adjustment tank 802 has been seted up on connecting rod 7's surface, the surface sliding connection of adjustment tank 802 has focus piece 801.
Through setting up focus adjusting device 8, offer adjustment tank 802 on the surface of connecting rod 7, through sliding focus piece 801 on adjustment tank 802, improve user's use feel, through setting up tight line device 6, screw up the line bolt 601 and make tennis line 4 pull tighter, be suitable for the ball of different dynamics, protect the tennis racket.
The bottom fixedly connected with slip adjusting device 9 of connecting rod 7, slip adjusting device 9 includes adjustment sleeve 901, locking bolt 902 and regulation pole 903, the bottom and the net racket handle 2 fixed connection of adjustment sleeve 901, bolt groove 904 has been seted up on the surface of adjustment sleeve 901, the surface mounting of adjustment sleeve 901 has locking bolt 902, the inner wall sliding connection of adjustment sleeve 901 has regulation pole 903, the sliding groove 905 has been seted up on the surface of regulation pole 903, the bottom fixed mounting of sliding groove 905 has compression spring 906, compression spring 906's the other end fixedly connected with slider 907.
Through setting up slip adjusting device 9, through twisting the locking bolt 902, make the regulation pole 903 can slide, through making the sliding groove 905 lock on locking bolt 902 and the regulation pole 903, carry out spacing regulation to the length of the pole portion of tennis racket, realize adjusting the length of tennis racket, satisfy a tennis racket and can let different crowds use, let the utensil obtain fully used.
The bottom fixedly connected with net handle 2 of slip adjusting device 9, net handle 2's fixed surface installs antiskid cover 10, sweat absorbing hole 13 has been seted up on antiskid cover 10's surface, antiskid cover 10's surface is provided with bar antiskid piece 14, net handle 2's bottom fixedly connected with anticreep piece 11, anticreep piece 11's bottom fixed mounting has protection piece 12.
Working principle: according to the tennis racket with adjustable length, the sliding adjusting device 9 is fixedly arranged at the top end of the racket handle 2, the locking bolt 902 on the adjusting sleeve 901 is screwed, the sliding adjusting rod 903 is slid, the length is adjusted, the locking bolt 902 corresponds to the sliding groove 905 on the adjusting rod 903, the locking bolt 902 and the sliding block 907 are screwed tightly, the locking bolt 902 is fixed, the position of the gravity center block 801 is adjusted through the gravity center adjusting device 8 on the connecting rod 7, the gravity center of the tennis racket is enabled to deviate and slide, the tennis racket is convenient for a user to use, the tennis strings 4 are enabled to be tightly adjusted through the adjusting string tightening device 6, the anti-slip sleeve 10 is arranged on the racket handle 2, the sweat absorbing holes 13 and the anti-slip blocks 14 are formed in the anti-slip sleeve 10, and the anti-slip blocks 11 are arranged at the bottom end of the racket handle 2, so that the user can hold the tennis racket in the using process, and the tennis racket is more convenient for the user to use.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a tennis racket with adjustable length, includes oval frame (1) and net handle (2), its characterized in that: the utility model provides a tennis racket, including oval racket frame (1), connecting hole (3) have been seted up on the surface of oval racket frame (1), peg graft on the surface of connecting hole (3) has tennis racket wire (4), the surface mounting of tennis racket wire (4) has bumper shock absorber (5), the side-mounting of oval racket frame (1) has tight line device (6), the fixed surface of oval racket frame (1) is connected with connecting rod (7), the surface of connecting rod (7) is provided with focus adjusting device (8), the bottom fixedly connected with slip adjusting device (9) of connecting rod (7), the bottom fixedly connected with net racket handle (2) of slip adjusting device (9), the fixed surface of net racket handle (2) installs anti-slipping sleeve (10), the bottom fixedly connected with anti-slipping block (11) of net racket handle (2), the bottom fixedly connected with protection piece (12) of anti-slipping block (11).
2. The adjustable length tennis racket of claim 1, wherein: sweat absorbing holes (13) are formed in the surface of the anti-skid sleeve (10), and a strip-shaped anti-skid block (14) is arranged on the surface of the anti-skid sleeve (10).
3. The adjustable length tennis racket of claim 1, wherein: the sliding adjusting device comprises an adjusting sleeve (901), a locking bolt (902) and an adjusting rod (903), wherein the bottom end of the adjusting sleeve (901) is fixedly connected with a racket handle (2), a bolt groove (904) is formed in the surface of the adjusting sleeve (901), the locking bolt (902) is mounted on the surface of the adjusting sleeve (901), the adjusting rod (903) is connected with the inner wall of the adjusting sleeve (901) in a sliding mode, and a sliding groove (905) is formed in the surface of the adjusting rod (903).
4. The adjustable length tennis racket of claim 1, wherein: the gravity center adjusting device (8) comprises a gravity center block (801) and an adjusting groove (802), the adjusting groove (802) is formed in the surface of the connecting rod (7), and the gravity center block (801) is connected to the surface of the adjusting groove (802) in a sliding mode.
5. The adjustable length tennis racket of claim 1, wherein: the wire tightening device (6) comprises a wire tightening bolt (601) and a threaded connecting cylinder (602), and the surface of the threaded connecting cylinder (602) is in threaded connection with the wire tightening bolt (601).
6. A tennis racket of the length adjustable type according to claim 3, wherein: the bottom end of the sliding groove (905) is fixedly provided with a compression spring (906), and the other end of the compression spring (906) is fixedly connected with a sliding block (907).
CN202320843843.2U 2023-04-17 2023-04-17 Length-adjustable tennis racket Active CN219879061U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320843843.2U CN219879061U (en) 2023-04-17 2023-04-17 Length-adjustable tennis racket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320843843.2U CN219879061U (en) 2023-04-17 2023-04-17 Length-adjustable tennis racket

Publications (1)

Publication Number Publication Date
CN219879061U true CN219879061U (en) 2023-10-24

Family

ID=88409709

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320843843.2U Active CN219879061U (en) 2023-04-17 2023-04-17 Length-adjustable tennis racket

Country Status (1)

Country Link
CN (1) CN219879061U (en)

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