Adapter, a cable connector with the adapter and a cable connector assembly

1. An adapter adapted to be fitted on the cable connector, comprising:

a body having a hollow tubular shape, the body includes:

a cable connecting chamber adapted to accommodate the cable inserted therein; and

a cable sealing chamber adapted to form a seal between the adapter and the cable by using a sealant, wherein:

the body is made of elastic material, the dielectric constant value of which is in the range from 7 to 30.

2. The adapter according to claim 1 , wherein the dielectric constant value of the body is in the range from 7 to 15.

3. The adapter according to claim 1 , wherein the body is formed by injection molding or mould molding.

4. The adapter according to claim 1 , wherein the body is made of silicon rubber or EPDM.

5. The adapter according to claim 1 , wherein the body is made of a single layer of elastic material.

6. A cable connector, comprising:

a T-shaped connector sheath, the T-shaped connector sheath includes:

a T-shaped main insulation bushing made of a T-shaped main insulator;

an inner semi-conductive shielded layer disposed in the T-shaped main insulation bushing and integrally formed with the T-shaped main insulator; and

an outer semi-conductive shield layer disposed on an outer surface of the T-shaped main insulator and integrally formed with the T-shaped main insulator, and

an adapter fitted into the T-shaped connector sheath, comprising a body having hollow tubular shape, wherein:

the body is made of elastic material, and the dielectric constant value of which is in the range from 7 to 30.

7. The cable connector according to claim 6 , wherein the dielectric constant value of the body is in the range from 7 to 15.

8. The cable connector according to claim 6 , wherein the adapter body comprising:

a cable connecting chamber adapted to accommodate the cable inserted therein; and

a cable sealing chamber adapted to form a seal between the adapter and the cable by using a sealant.

9. The cable connector according to claim 6 , wherein the body is made of silicon rubber or EPDM.

10. The cable connector according to claim 6 , wherein the body is made of a single layer of elastic material.

11. A cable connector assembly, comprising:

a T-shaped connector sheath including a T-shaped main insulation bushing composed of the T-shaped main insulator having a hollow structure, the T-shaped main insulator comprising:

an electrical apparatus connecting chamber disposed at a first end of the T-shaped main insulation bushing, the electrical apparatus connecting chamber is adapted to accommodate an external electrical apparatus connection parts;

an insulation plug chamber disposed at a second end opposite to the first end, the insulation plug chamber is adapted to accommodate a insulation plug; and

a cable connecting chamber disposed at a third end of the T-shaped main insulation bushing, the cable connecting chamber is adapted to accommodate a cable,

a crimp type terminal accommodated in the T-shaped main insulation bushing, one end of the crimp type terminal is adapted to be electrically connected to the cable;

a thread connecting assembly for electrically connecting the other end of the crimp type terminal to the external electrical apparatus connection parts; and

an adapter fitted into the cable connecting chamber and accommodating the cable, the adapter comprising a body having hollow tubular shape, wherein:

the body is made of elastic material, and the dielectric constant value of which is in the range from 7 to 30.

12. The cable connector assembly according to claim 11 , wherein the dielectric constant value of the adapter body is in the range from 7 to 15.

13. The cable connector assembly according to claim 11 , wherein further comprising:

an external electrical apparatus connecting parts accommodated in the electrical apparatus connecting chamber; and

an insulation plug accommodated in the insulation plug chamber.

14. The cable connector assembly according to claim 13 , wherein the thread connecting assembly comprising:

a connecting bolt passing through the other end of the crimp type terminal, one end of the connecting bolt is screwed to the external electrical apparatus connecting parts; and

a connecting nut for tightly fitting the crimp type terminal to the external electrical apparatus connecting parts.

15. The cable connector assembly according to claim 14 , wherein further comprising:

a first imbedded member imbedded into a first end of the insulation plug and screwed to the other end of the connecting bolt; and

a second imbedded member imbedded into a second end opposite to the first end of the insulation plug.

16. The cable connector assembly according to claim 15 , wherein the T-shaped connector sheath further comprising:

an inner semi-conductive shielded layer disposed in the T-shaped main insulation bushing and integrally formed with the T-shaped main insulator; and

an outer semi-conductive shielded layer disposed on an outer surface of the T-shaped main insulator and integrally formed with it.

17. The cable connector assembly according to claim 16 , wherein further comprising:

a semi-conductive shielded tail plug mounted in the second imbedded member and connecting the second imbedded member to the outer semi-conductive shield layer of the T-shaped connector sheath.

18. The cable connector assembly according to claim 11 , wherein the T-shaped main insulation bushing further comprises a grounding hole integrally formed in the insulation bushing, the grounding hole is connected to the grounding wire by a bolt connecting assembly.

19. The cable connector assembly according to claim 11 , wherein the body is made of a single layer of elastic material.