Telescopic badminton racket

By designing a screw-connected connecting rod and locking mechanism in a badminton racket, the adjustability and stable connection of the racket length are achieved, solving the problems of unadjustable racket length and high maintenance costs, improving the comfort of use and reducing the maintenance costs.

CN222550076UActive Publication Date: 2025-03-04WUHAN SPORTS UNIV
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Patent Information

Application Number
CN202420989851.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-03-04
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

Most of the existing badminton rackets are integrated structures and their lengths are unadjustable, which makes it impossible to adjust the length of the racket according to the user when used by people of different heights, which affects the comfort of use. Moreover, the integrated structure is repaired at a higher cost when damaged.

Method used

A retractable badminton racket is designed. By fixing and installing a reinforcement block at the bottom of the racket head rack and setting an internal thread groove inside the bottom end of the reinforcement block, the screw connection of the connecting rod is achieved; at the same time, a locking mechanism is set at the top of the connecting rod and inside the grip, and the limit fixation is performed through the ball and the slot to ensure the stable connection between the racket head rack and the connecting rod and grip, and it is convenient for maintenance.

Benefits of technology

The racket length is adjustable, adaptable to users of different heights, improves the comfort of use, and reduces the cost of repair and replacement through a modular design.

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Abstract

The telescopic badminton racket comprises a racket head frame and a racket rod assembly, a reinforcing block is fixedly installed at the bottom of the racket head frame, a lighting device is arranged in the reinforcing block, and the bottom of the reinforcing block is connected with the racket rod assembly in a screwed mode. The racket rod assembly is composed of a plurality of connecting rods, a grip and a locking mechanism, the locking mechanism is installed in the top ends of the connecting rods, the locking mechanism is also arranged in the top end of the grip, and the connecting rods and the grip are fixedly connected through the locking mechanism in a screwing mode. The multifunctional racket is simple in structure and comprehensive in function, the length of the racket can be conveniently adjusted for use by arranging the connecting rods convenient to disassemble and assemble, and meanwhile, the containing groove is formed in the grip and the lighting device is arranged on the racket head frame, so that the use diversity of the racket is further enriched.
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Description

Technical Field

[0001] The utility model relates to the technical field of badminton rackets, in particular to a telescopic badminton racket. Background Art

[0002] Badminton is a sport that can be played both indoors and outdoors. Depending on the number of participants, it can be divided into singles and doubles, as well as the emerging 3-on-3 rule. A badminton racket consists of a racket face, a racket shaft, a racket handle, and the joint between the racket frame and the racket shaft. The length of a racket does not exceed 680 mm, of which the racket handle and the racket shaft do not exceed 41 cm, the racket frame is 28 cm long and 23 cm wide. With the development of science and technology, rackets are developing in the direction of lighter weight, harder racket frames, and better racket shaft elasticity.

[0003] However, most of the existing rackets are of an integrated structure and the length cannot be adjusted. When used by people of different heights, the length of the racket cannot be adjusted according to the user, which affects the comfort of use and makes the experience poor. At the same time, there is also a badminton racket on the market that can shrink the racket shaft into the handle. Although this type of racket can be adjusted in length to a certain extent, it is still an integrated structure. When the racket shaft or the handle is accidentally damaged, the cost of repair and replacement is high and the practicality is poor. Utility Model Content

[0004] The purpose of the utility model is to provide a telescopic badminton racket to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a telescopic badminton racket, comprising a racket head frame and a racket shaft assembly, a reinforcing block is fixedly installed at the bottom of the racket head frame, a lighting device is arranged inside the reinforcing block, a racket shaft assembly is screwed connected to the bottom of the reinforcing block, the racket shaft assembly is composed of a plurality of connecting rods, a handle and a locking mechanism, wherein the locking mechanism is arranged inside the top end of the connecting rod, and the locking mechanism is also arranged inside the top end of the handle, and the plurality of connecting rods and the handle are screwed and fixedly connected through the locking mechanism.

[0006] Preferably, the connecting rod is a metal hollow tube structure, wherein one end of the connecting rod is provided with a threaded section, and the other end of the connecting rod is provided with an internal thread groove.

[0007] Preferably, the locking mechanism consists of a hidden groove, a ball and a spring, wherein the hidden groove is opened inside the top end of the threaded segment.

[0008] Preferably, the spring is placed inside the hidden groove, and balls are placed closely at both ends of the spring, with one side of the ball extending outwardly and placed outside the threaded section.

[0009] Preferably, the bottom ends of the connecting rod and the reinforcing block are provided with internal thread grooves, wherein circular grooves are provided above the internal thread grooves and on the inner walls on both sides of the connecting rod and the reinforcing block respectively.

[0010] Preferably, the lighting device is composed of an LED light group, a battery slot, a button switch and a battery, wherein the LED light group is an elliptical structure and is fixedly mounted on the outer wall surface of the racket head frame.

[0011] Preferably, the battery slot is opened inside the reinforcing block, and the battery is placed in the battery slot, wherein the button switch is arranged on the other side of the reinforcing block, and the battery and the LED light group are connected through signal line transmission.

[0012] Preferably, a placement groove is provided inside the handle, and a bottom cover is screwed to the bottom of the handle by a thread, wherein an anti-slip pad is wrapped around the outer wall of the handle, and a plurality of guide grooves are provided below the anti-slip pad and on the outer wall of the handle.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model fixes a reinforcement block at the bottom of the racket head frame, and provides an internal thread groove inside the bottom end of the reinforcement block, so that a connecting rod of several lengths can be screwed and connected below the reinforcement block. At the same time, a thread section is provided at the top of the connecting rod, and a locking mechanism with a ball structure is provided inside the upper part of the thread section. In this way, not only can the connecting rod be screwed and connected through the thread, but also the ball and the groove can be used for limiting and fixing, so as to keep the connection between the racket head frame and the connecting rod and the grip stable. When the connecting rod or the racket head frame is damaged, it is convenient to replace and repair, thereby further reducing the use cost.

[0015] 2. The utility model provides a button switch and a power supply device inside the reinforcing block, and fixes an LED light group inside the outer wall of the racket head frame. Thus, the button switch can be used to control the switch of the LED light group, so that the operator can better observe the racket in an environment with normal light, and the utility model is more practical. In addition, an anti-skid pad is wrapped around the outer wall of the grip, and a guide groove is provided on the outer wall of the grip, so that the sweat of the user's hands can be quickly drained to prevent slipping, and the use effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a front cross-sectional view of the connecting rod of the utility model;

[0018] Figure 3It is a front view of the handle of the utility model;

[0019] Figure 4 It is a top view of the handle of the utility model;

[0020] Figure 5 It is a back view of the reinforcing block of the utility model.

[0021] In the figure: 1. racket head frame; 2. racket shaft assembly; 3. reinforcement block; 4. lighting device; 41. LED light group; 42. battery slot; 43. push button switch; 44. battery; 5. connecting rod; 51. threaded section; 52. internal thread groove; 6. grip; 61. placement groove; 62. bottom cover; 63. guide groove; 7. locking mechanism; 71. hidden groove; 72. ball; 73. spring; 74. card slot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 The utility model provides a technical solution: a retractable badminton racket, comprising a racket head frame 1 and a racket shaft assembly 2, a reinforcing block 3 is fixedly installed at the bottom of the racket head frame 1, and a lighting device 4 is arranged inside the reinforcing block 3, wherein the lighting device 4 is composed of an LED light group 41, a battery slot 42, a button switch 43 and a battery 44, wherein the LED light group 41 is an elliptical structure and is fixedly installed on the outer wall surface of the racket head frame 1, so that the LED light group 41 can be used to display the racket head frame 1, and the battery slot 42 is opened inside the reinforcing block 3, and the battery 44 is placed in the battery slot 42, wherein the button switch 43 is arranged on the other side of the reinforcing block 3, and the battery 44 and the LED light group 41 are connected through signal line transmission, so that the battery 44 can be used for power driving, and the button switch 43 can be used for switch control.

[0024] The bottom of the reinforcement block 3 is screwed and connected to the racket shaft assembly 2, which is composed of a plurality of connecting rods 5, a handle 6 and a locking mechanism 7, wherein the locking mechanism 7 is arranged inside the top end of the connecting rod 5, wherein the connecting rod 5 is a metal hollow tube structure, wherein one end of the connecting rod 5 is provided with a threaded section 51, and the other end of the connecting rod 5 is provided with an internal thread groove 52, and at the same time, the connecting rod 5 and the bottom end of the reinforcement block 3 are both provided with an internal thread groove 52, wherein circular grooves 74 are provided above the internal thread groove 52 and on the inner walls on both sides of the connecting rod 5 and the reinforcement block 3, which not only facilitates the fixed connection between the connecting rods 5 or between the connecting rod 5 and the handle 6, but also the grooves 74 can be used to limit and fix the ball 72.

[0025] A locking mechanism 7 is also provided inside the top end of the handle 6, and a plurality of connecting rods 5 and the handle 6 are screwed and fixedly connected through the locking mechanism 7, wherein the locking mechanism 7 is composed of a hidden groove 71, a ball 72 and a spring 73, wherein the hidden groove 71 is opened inside the top end of the threaded section 51, and the spring 73 is placed inside the hidden groove 71, and balls 72 are placed at both ends of the spring 73, and one side of the ball 72 extends out and is placed outside the threaded section 51, so that the ball 72 can be stuck in the slot 74, thereby achieving stable installation of the connecting rod 5.

[0026] A placement groove 61 is provided inside the handle 6, and a bottom cover 62 is screwed and connected to the bottom of the handle 6 through a thread, wherein an anti-skid pad is wrapped around the outer wall of the handle 6, and a plurality of guide grooves 63 are provided below the anti-skid pad and on the outer wall of the handle 6, so that when the user uses it, not only can the anti-skid pad be used to protect and buffer the hands, but also the guide grooves 63 are provided on the outer wall of the handle 6, so that the infiltrated sweat can be guided and transported, thereby reducing corrosion to the handle 6.

[0027] Working principle: When the utility model is used, firstly, a suitable number of connecting rods 5 are selected according to the needs of the user. At this time, the connecting rod 5 is screwed and connected to the internal thread groove 52 inside the reinforcing block 3 through the threaded section 51. At the same time, a locking mechanism 7 is provided above the threaded section 51. At this time, the connecting rod 5 is slowly screwed and connected to the reinforcing block 3. When it is screwed to a certain position, a card groove 74 is provided on both sides of the inner part of the reinforcing block 3, so that the ball 72 can slide into the card groove 74. The spring 73 is further used to make the ball 72 stably fit in the card groove 74, and the connecting rod 5 is limited and fixed for use. At the same time, other connecting rods 5 are screwed and fixed in the same installation method, and the handle 6 is screwed and connected at the bottom of the connecting rod 5, so that the overall assembly can be completed. At this time, the extra connecting rods 5 are placed in the placement groove 61 inside the handle 6, which is more practical. When the light in the exercise environment is general, the LED light group 41 can be turned on by the button switch 43 to display the racket head frame 1, further improving the user's use effect and comfort.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A telescopic badminton racket, comprising a racket head frame (1) and a racket shaft assembly (2), characterized in that: A reinforcing block (3) is fixedly mounted on the bottom of the racket head frame (1), a lighting device (4) is arranged inside the reinforcing block (3), a racket shaft assembly (2) is screwed to the bottom of the reinforcing block (3), and the racket shaft assembly (2) is composed of a plurality of connecting rods (5), a grip (6) and a locking mechanism (7), wherein the locking mechanism (7) is arranged inside the top end of the connecting rod (5), and the locking mechanism (7) is also arranged inside the top end of the grip (6), and the plurality of connecting rods (5) and the grip (6) are screwed and fixedly connected via the locking mechanism (7).

2. The telescopic badminton racket according to claim 1, characterized in that: The connecting rod (5) is a metal hollow tube structure, wherein one end of the connecting rod (5) is provided with a threaded section (51), and the other end of the connecting rod (5) is provided with an internal thread groove (52).

3. The telescopic badminton racket according to claim 2, characterized in that: The locking mechanism (7) is composed of a hidden groove (71), a ball (72) and a spring (73), wherein the hidden groove (71) is opened inside the top end of the threaded section (51).

4. The telescopic badminton racket according to claim 3, characterized in that: The spring (73) is placed inside the hidden groove (71), and balls (72) are placed in close contact at both ends of the spring (73), and one side of the ball (72) extends out and is placed outside the threaded section (51).

5. The telescopic badminton racket according to claim 4, characterized in that: The bottom ends of the connecting rod (5) and the reinforcing block (3) are both provided with internal thread grooves (52), wherein circular grooves (74) are provided above the internal thread grooves (52) and on the inner walls of both sides of the connecting rod (5) and the reinforcing block (3) respectively.

6. The telescopic badminton racket according to claim 5, characterized in that: The lighting device (4) is composed of an LED light group (41), a battery slot (42), a button switch (43) and a battery (44), wherein the LED light group (41) is in an elliptical structure and is fixedly mounted on the outer wall surface of the racket head frame (1).

7. The telescopic badminton racket according to claim 6, characterized in that: The battery slot (42) is opened inside the reinforcing block (3), and a battery (44) is placed inside the battery slot (42), wherein the button switch (43) is arranged on the other side of the reinforcing block (3), and is connected to the battery (44) and the LED light group (41) via signal line transmission.

8. The telescopic badminton racket according to claim 7, characterized in that: The handle (6) is provided with a placement groove (61) inside, and a bottom cover (62) is screwed on the bottom of the handle (6) via a thread, wherein an anti-skid pad is wound around the outer wall of the handle (6), and a plurality of guide grooves (63) are provided below the anti-skid pad and on the outer wall of the handle (6).