Water block for water-cooling CPU radiator

1. A water block for a water-cooling CPU radiator, comprising:

an upper shell, which comprises a shell body and an upper cover, wherein the shell body is provided with a first cavity, a side wall of the shell body is provided with a water outlet, the upper cover is arranged at the upper end of the shell body and is provided with a water inlet, and wherein both the water inlet and the water outlet are in fluid communication with the first cavity;

a bottom shell arranged at the lower end of the shell body, wherein the bottom shell is provided with a second cavity, and the two sides of the bottom shell are provided with an upper water port and a water inlet, respectively, which are in fluid communication with the second cavity;

an external pipe arranged at the outer side of the upper shell and the bottom shell, wherein the two ends of the external pipe are communicated with the upper water port and the water inlet, respectively; and

a water pump comprising a motor and an impeller, wherein the motor is provided with an electromagnetic coil and a rotor, the rotor and the impeller are fixed together and arranged in the first cavity, the electromagnetic coil is arranged in an accommodating space between the shell body and the bottom shell, the motor is used for driving the impeller to rotate,

wherein the water inlet and the water outlet are used for communicating with a circulating coolant;

wherein the impeller and the rotor are integrally formed;

the bottom surface of the first cavity protrudes outwards to form an accommodating cavity for the rotor, and the rotor is rotationally arranged in the accommodating cavity; and

the electromagnetic coil is arranged on an outer wall of the accommodating cavity, and the magnetic force of the electromagnetic coil can penetrate through an accommodating cavity wall of the accommodating cavity and drive the rotor to rotate.

2. The water block for the water-cooling CPU radiator according to claim 1 , wherein the upper cover is embedded in the upper end surface of the shell body, a sealing strip is arranged between the upper cover and the upper end surface of the shell body, and wherein the upper cover and the upper end of the shell body are fixed together through bolts.

3. The water block for the water-cooling CPU radiator according to claim 2 , further comprising a housing which is connected with the upper cover, the lower edge of the housing and the upper edge of the shell body are connected together, and the external pipe penetrates through the housing to be communicated with the water inlet; and

wherein the upper end of the housing is provided with a round opening, a plurality of radiating fins are arranged around the external pipe inside the housing, the bottom ends of the plurality of radiating fins are fixed together with the upper end of the upper cover through connecting pieces, and the upper ends of the plurality of radiating fins protrude out of the round opening.

4. The water block for the water-cooling CPU radiator according to claim 1 , wherein the bottom shell comprises a cover body and an absorber plate arranged at a lower opening end of the cover body, a side wall of the absorber plate forming a lower edge of the bottom shell, wherein the upper water port and the water inlet are formed on two sides of the top wall of the cover body and are opened outwards, the upper water port and the water inlet extend inwards to form pipe connecting sections, respectively, and wherein the pipe connecting sections protrude out of the top wall of the cover body and are communicated with the inside of the bottom shell.

5. The water block for the water-cooling CPU radiator according to claim 4 , wherein the lower end of the shell body and the upper end of the cover body are connected together through snap-fit or bolts.

6. The water block for the water-cooling CPU radiator according to claim 5 , wherein the cover body has a rectangular shape, and lugs which are provided with bolt holes are arranged at corners of the bottom end of the cover body; and

the water block further comprises two fastening pieces, the two ends of each fastening piece are provided with mounting holes and bend downwards, the two end parts of the fastening piece are fixed on two lugs through bolts, and the middle part of each fastening piece is fit closely to the side wall of the cover body.

7. The water block for the water-cooling CPU radiator according to claim 1 , wherein the external pipe is a transparent pipe; and

wherein the circulating coolant is a visible liquid.

8. The water block for the water-cooling CPU radiator according to claim 1 , wherein a plurality of strip-shaped flow channels are arranged on the inner side of the absorber plate inside the cover body, and arranged in a direction along the water inlet to the upper water port.

9. A CPU radiator provided with the water block according to claim 1 , comprising:

a radiating part, in which a coolant circulating channel is provided; and

a connecting pipe, through which the water inlet and the water outlet of the water block are in fluid communication with the coolant circulating channel.