Tail-end waterproof connector and its cable retaining sleeve

Abstract

This disclosure relates to a waterproof connector for a cable and its cable retaining sleeve, for use with a cable having a plurality of core wires. The waterproof connector includes a base, a cable retaining sleeve, a nut, and a waterproof ring. The base has a joint and a recessed groove at one end. The cable retaining sleeve has a sleeve body made of silicone or rubber and fitted into the groove. One end of the sleeve body near the joint has a plurality of recesses, and the other end has a plurality of viewing windows that pass through the ends of each recess. Each core wire is inserted into each recess. The nut is fitted onto the cable and engaged with the joint. The waterproof ring is tightly fitted onto the cable and clamped between the base and the nut.

Claims

1. A waterproof tail connector for a cable having a plurality of core wires, the waterproof tail connector comprising: A cylindrical base has a joint at one end and a recessed groove therein; A cable fixing sleeve has a body made of silicone or rubber and fitted into the receiving groove. One end of the sleeve near the joint is provided with a plurality of recesses, and the other end is provided with a plurality of viewing windows that pass through the ends of each of the recesses. Each of the core wires is inserted into each of the recesses. A nut is fitted onto the cable and connected to the joint. A waterproof ring is fitted onto the cable and clamped tightly between the sleeve and the nut.

2. The waterproof connector for the tail end as described in claim 1, wherein the sleeve has a top surface, a bottom surface and an outer peripheral wall, the top surface is disposed adjacent to the joint and has the plurality of recesses, each recess has an inner bottom wall and an inner peripheral wall, and each viewing window is opened from the bottom surface and the outer peripheral wall and penetrates a portion of the inner bottom wall and a portion of the inner peripheral wall.

3. The tail-end waterproof connector as claimed in claim 2, wherein each of the viewing windows has an axial opening formed on the bottom surface and a radial opening formed on the outer peripheral wall.

4. The waterproof connector at the tail end as described in claim 3, wherein a plurality of recesses are provided inwardly at the junction of the bottom surface and the outer peripheral wall, and each axial opening is formed from the bottom of each recess.

5. The tail-end waterproof connector as claimed in claim 4, wherein the outer peripheral wall is recessed with a plurality of straight grooves respectively disposed between each of the two adjacent radial openings and each of the two adjacent recesses and penetrating the bottom surface.

6. The tail-end waterproof connector as claimed in claim 1, wherein each of the recesses has an inner peripheral wall extending therefrom, the inner peripheral wall having at least one protruding ring for holding each of the core wires.

7. The tail-end waterproof connector as claimed in claim 1, wherein the nut has a connecting portion at one end of its outer periphery that engages with the engagement portion and a gripping ring extending at the other end, the engagement portion and the connecting portion being screwed together by internal and external threads, and the gripping ring having a thickness greater than 7 mm.

8. The waterproof connector for the tail end as described in claim 1, wherein the waterproof ring includes a waterproof sleeve and a clamping claw sleeve, the waterproof sleeve being tightly fitted onto the cable and having one end abutting against the sleeve base and the other end clamped by the clamping claw sleeve.

9. A cable fixing sleeve, comprising: A set of materials made of silicone or rubber, with a plurality of recesses at one end and a plurality of viewing windows at the other end, each penetrating the end of one of the recesses.

10. The cable fixing sleeve as claimed in claim 9, wherein the sleeve has a top surface, a bottom surface and an outer peripheral wall, the top surface is provided with the plurality of recesses, each recess has an inner bottom wall and an inner peripheral wall, and each viewing window is opened from the bottom surface and the outer peripheral wall and penetrates a portion of the inner bottom wall and a portion of the inner peripheral wall.

11. The cable retaining sleeve as claimed in claim 10, wherein each of the viewing windows has an axial opening formed on the bottom surface and a radial opening formed on the outer peripheral wall.

12. The cable fixing sleeve as claimed in claim 11, wherein a plurality of recesses are provided inwardly at the junction of the bottom surface and the outer peripheral wall, and each axial opening is formed from the bottom of each recess.

13. The cable retaining sleeve as claimed in claim 12, wherein the outer peripheral wall is recessed with a plurality of straight grooves respectively disposed between each of the two adjacent radial openings and each of the two adjacent recesses and penetrating the bottom surface.

14. The cable retaining sleeve as claimed in claim 9, wherein each of the recesses has an inner peripheral wall extending therefrom, the inner peripheral wall having at least one protruding ring.

Images