IP Library › Granted Patent US 12661557
Granted Patent B2
US 12661557 · App. 18/672,899 · Granted Jun 23, 2026

Easy-to-disassemble connector and sport training equipment

Inventor: Jurgen Niko Johan Van Der Velde (Dongguan City, CN)
Assignee: DONG GUAN WEALTH SPORTING GOODS CO., LTD.
A63B43/007
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Quick Facts
Patent No.
US 12661557
App. No.
18/672,899
Granted
Jun 23, 2026
Kind
B2
Abstract

An easy-to-disassemble connector and sport training equipment has a first connecting assembly and a second connecting assembly that can be separated from or connected to each other. The first connecting assembly is connected to a rope, and the second connecting assembly is connected to a ball. The first connecting assembly has a first rotating-embedded unit, and the second connecting assembly has a second rotating-embedded unit connected to the first rotating-embedded unit. When the first rotating-embedded unit and the second rotating-embedded unit are connected to each other, it is convenient for the user to hold the rope to assist in sport trainings. When the first rotating-embedded unit and the second rotating-embedded unit are separated from each other, the first connecting assembly and the second connecting assembly are separated from each other and the ball can be used independently.

Claims (26)

1 . An easy-to-disassemble connector configured to connect a rope and a ball; the easy-to-disassemble connector including:

a first connecting assembly configured to be connected to the rope; the first connecting assembly including:

a first rotating-embedded unit; and

a connector casing connected to the first rotating-embedded unit; the connector casing being configured to be connected to the rope;

a second connecting assembly configured to be connected to the ball; the second connecting assembly including:

a second rotating-embedded unit connected to the first rotating-embedded unit by rotating;

an installation cavity formed between the connector casing and the first rotating-embedded unit; and

an elastic assembly mounted in the installation cavity and abutting against the second connecting assembly;

wherein the first connecting assembly and the second connecting assembly are capable of separating from or being connected to each other;

wherein when the first rotating-embedded unit and the second rotating-embedded unit are separated from each other, the first connecting assembly and the second connecting assembly are separated from each other and the ball is available for use individually; and

wherein when the first rotating-embedded unit is connected to the second rotating-embedded unit, the elastic assembly abuts against the second connecting assembly.

2 . The easy-to-disassemble connector as claimed in claim 1 , wherein the first rotating-embedded unit comprises an embedded pin, and the second rotating-embedded unit comprises an embedded slot corresponding to the embedded pin.

3 . The easy-to-disassemble connector as claimed in claim 1 , wherein the second connecting assembly also includes a sleeve surrounding the second rotating-embedded unit, and the second rotating-embedded unit is connected to the ball through the sleeve.

4 . The easy-to-disassemble connector as claimed in claim 2 , wherein the second connecting assembly also includes a sleeve surrounding the second rotating-embedded unit, and the second rotating-embedded unit is connected to the ball through the sleeve.

5 . The easy-to-disassemble connector as claimed in claim 3 , wherein the sleeve comprises a guiding surface.

6 . The easy-to-disassemble connector as claimed in claim 4 , wherein the sleeve comprises a guiding surface.

7 . The easy-to-disassemble connector as claimed in claim 1 , wherein the ball comprises an air inlet, and the second connecting assembly comprises a hole fluidly communicating with the air inlet.

8 . The easy-to-disassemble connector as claimed in claim 6 , wherein the ball comprises an air inlet, and the second connecting assembly comprises a hole fluidly communicating with the air inlet.

9 . The easy-to-disassemble connector as claimed in claim 1 , wherein the elastic assembly includes a spring and a washer; two ends of the spring connected to the washer and the installation cavity respectively; the washer being moveable up and down with respect to the installation cavity and contacting the second connecting assembly.

10 . The easy-to-disassemble connector as claimed in claim 8 , wherein the elastic assembly includes a spring and a washer; two ends of the spring connected to the washer and the installation cavity respectively; the washer being moveable up and down with respect to the installation cavity and contacting the second connecting assembly.

11 . The easy-to-disassemble connector as claimed in claim 1 , wherein the connector casing comprises a bearing connected to the rope.

12 . The easy-to-disassemble connector as claimed in claim 10 , wherein the connector casing comprises a bearing connected to the rope.

13 . The easy-to-disassemble connector as claimed in claim 2 , wherein the embedded pin is a T-shaped unit and the embedded slot is a straight slot.

14 . The easy-to-disassemble connector as claimed in claim 12 , wherein the embedded pin is a T-shaped unit and the embedded slot is a straight slot.

15 . Sport training equipment including an easy-to-disassemble connector as claimed in claim 1 .

16 . Sport training equipment including an easy-to-disassemble connector as claimed in claim 14 .