Cable connection device with simple structure

1 . A cable connection device, configured for connecting a pair of cables in a feed network, comprising:

a feeder box comprising a bottom wall, at least one side wall and a cavity; and

a circuit board located in the cavity, the circuit board having an upper surface and a lower surface which is opposite to the upper surface;

wherein the lower surface is fixedly connected to the bottom wall, the side wall extends from an edge of the bottom wall toward the upper surface and further extends beyond the upper surface;

wherein the side wall defines a pair of through holes, the pair of cables pass through the pair of the through holes in a one-to-one correspondence manner, and the pair of cables are electrically connected to the upper surface of the circuit board;

wherein an opening is defined in a middle part of the bottom wall; and

wherein the bottom wall forms a plurality of first arc-shaped shear ports facing to the opening and a plurality of second arc-shaped shear ports facing away from the opening.

2 . The cable connection device according to claim 1 , wherein the feeder box is one of a sheet-metaling part and a die-casting part, wherein a cross section of the cavity of the sheet-metaling part has a shape that is a polygon, and wherein a cross-section of the cavity of the die-casting part has a shape that is a circle or a polygon.

3 . The cable connection device according to claim 1 , wherein a plurality of side walls is respectively and integrally connected to the bottom wall, there is a gap defined between two adjacent side walls, and each through hole is respectively and correspondingly located on one of the side walls.

4 . The cable connection device according to claim 1 , wherein the at least one side wall is a plurality of side walls, the plurality of side walls comprise at least two groups, each group has two side walls which are oppositely arranged, and the pair of through holes are respectively and correspondingly located on one of the at least two groups which has oppositely-arranged side walls.

5 . The cable connection device according to claim 1 , wherein the circuit board comprises a base plate and a conductive sheet fixed on the base plate, the conductive sheet comprises two soldering plates connected to the pair of cables in a one-to-one correspondence manner and a microstrip line connected between the two soldering plates; and

wherein a length of the microstrip line is between 0 mm~25 mm and a width of the microstrip line is between 0.4 mm~2.0 mm to achieve ultra-wideband.

6 . The cable connection device according to claim 1 , wherein the at least one side wall comprises a plurality of side walls, the side walls are respectively and integrally connected to the bottom wall, and wherein one of the through holes is located on one of the side walls and a remaining one of the through holes is located on a remaining one of the side walls.

7 . The cable connection device according to claim 6 , wherein the feeder box is one of a sheet-metaling part and a die-casting part.

8 . The cable connection device according to claim 7 , wherein there is a gap formed between two adjacent side walls when the feeder box is the sheet-metaling part.

9 . The cable connection device according to claim 7 , wherein there is no gap formed between two adjacent side walls when the feeder box is the die-casting part.

10 . A cable connection device, configured for connecting a pair of cables in a feed network, comprising:

a feeder box comprising a bottom wall, at least one side wall and a cavity; and

a circuit board located in the cavity, the circuit board having an upper surface and a lower surface which is opposite to the upper surface;

wherein the lower surface is fixedly connected to the bottom wall, the side wall extends from an edge of the bottom wall toward the upper surface and further extends beyond the upper surface;

wherein the side wall defines a pair of through holes, the pair of cables pass through the pair of the through holes in a one-to-one correspondence manner, and the pair of cables are electrically connected to the upper surface of the circuit board;

wherein the feeder box comprises a plurality of ribs and each rib protrudes from an inner surface of a corresponding through hole; and

wherein each rib has an inverted U shape in the corresponding through hole relative to a plane where the bottom wall is located, and wherein each rib is not coplanar with a corresponding side wall so as to fit in with a circular cross-sectional shape of a corresponding cable.

11 . A cable connection device, configured for connecting a pair of cables in a feed network, comprising:

a feeder box comprising a bottom wall, at least one side wall and a cavity; and

a circuit board located in the cavity, the circuit board having an upper surface and a lower surface which is opposite to the upper surface;

wherein the lower surface is fixedly connected to the bottom wall, the side wall extends from an edge of the bottom wall toward the upper surface and further extends beyond the upper surface;

wherein the side wall defines a pair of through holes, the pair of cables pass through the pair of the through holes in a one-to-one correspondence manner, and the pair of cables are electrically connected to the upper surface of the circuit board;

wherein the feeder box comprises a plurality of ribs and each rib protrudes from an inner surface of a corresponding through hole;

wherein the feeder box further comprises a convex portion extending integrally from the bottom wall, the convex portion comprises a first extension piece and a second extension piece, the first extension piece is integrally connected between the bottom wall and the second extension piece; and

wherein in a vertical projection plane of a corresponding side wall, the first extension piece is located directly below the rib and the second extension piece extends beyond the corresponding side wall.

12 . The cable connection device according to claim 11 , wherein the convex portion comprises a vertical extension surface extending a certain distance in a thickness direction of the bottom wall, the vertical extension surface is formed between the first extension piece and the second extension piece, while the vertical extension surface and the rib are used to hold a corresponding cable together.

13 . The cable connection device according to claim 11 , wherein the second extension piece further comprises a horizontal extension surface lower than the bottom wall, and the horizontal extension surface is used to support a corresponding cable.