CN205370951U - Water reflux heat dissipation booster pump - Google Patents

Abstract

The utility model discloses a water return heat dissipation booster pump, which comprises a pump body and a motor fixedly connected with the pump body, the motor is fixed in the motor seat, the motor seat is covered in the cylinder body, and the two ends of the cylinder body are sealed and connected with the motor seat , a return cavity is formed between the inner wall of the cylinder and the outer wall of the motor seat; the outlet of the pump body communicates with the first pipeline, and the first pipeline communicates with the return cavity through the first branch; the inlet of the pump body communicates with the second pipeline , the second pipeline communicates with the return chamber through a second branch; the first branch communicates with the top of the return chamber, and the second branch communicates with the bottom of the return chamber. The utility model constructs a water flow circuit, uses the liquid in the pipeline to exchange heat with the motor seat, reduces the temperature of the motor, and improves the service life of the booster pump; no other cooling equipment is needed, and the liquid in the pipeline can be used to cool down The purpose is achieved, the structure is simple and reasonable, the feasibility is high, the safety is good, and the practicability is strong.

Description

Water return cooling booster pump

technical field

The utility model relates to a booster pump, in particular to a water backflow cooling booster pump.

Background technique

The booster pump is mainly used to increase the pressure of the liquid in the pipeline to raise the liquid to a certain height. However, when the hydraulic pressure in the pipeline is unstable, the booster pump needs to continue to operate for boosting. Long-term operation will cause the motor of the booster pump to heat up. If the temperature of the motor is not lowered in time, it will affect the normal operation of the booster pump and greatly reduce the service life of the booster pump. The structure of the existing heat dissipation device is complicated, and the heat dissipation effect is not satisfactory. Therefore, it is necessary to improve the prior art.

Contents of the invention

The technical problem to be solved by the utility model is to provide a water reflux heat dissipation booster pump with a simple structure and good cooling effect in view of the deficiencies of the prior art.

The technical solution adopted by the utility model is: a water return heat dissipation booster pump, including a pump body and a motor fixedly connected with the pump body, the motor is fixed in the motor seat, the motor seat is covered in the cylinder body, and the two ends of the cylinder body are connected with the cylinder body. The motor seat is sealed and connected, and a return cavity is formed between the inner wall of the cylinder body and the outer wall of the motor seat; the outlet of the pump body communicates with the first pipeline, and the first pipeline communicates with the return cavity through the first branch; the inlet of the pump body communicates with the return cavity. The second pipeline is in communication, and the second pipeline is in communication with the return cavity through the second branch.

According to the solution above, the first branch communicates with the top of the return chamber, and the second branch communicates with the bottom of the return chamber.

According to the solution above, the pipe diameter of the first branch is smaller than the pipe diameter of the first pipeline.

According to the solution above, the pipe diameter of the second branch is smaller than the pipe diameter of the second pipeline.

Compared with the prior art, the beneficial effects of the utility model are: 1. By constructing a water flow circuit, the liquid return in the pipeline is used to exchange heat with the motor base, reducing the temperature of the motor and improving the service life of the booster pump; 2. , The utility model does not need other cooling equipment, the purpose can be achieved by using the liquid in the pipeline to cool down, the structure is simple and reasonable, the feasibility is high, the safety is good, and the practicability is strong.

Description of drawings

Fig. 1 is a structural schematic diagram of a specific embodiment of the present invention.

FIG. 2 is a top view of FIG. 1 .

Among them: 1. Motor base; 2. Pump body; 3. Cylinder body; 4. Return cavity; 5. First pipeline; 5.1. First branch; 6. Second pipeline; 6.1. Second branch.

detailed description

In order to better understand the utility model, the utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figure 1 and Figure 2, a water return heat dissipation booster pump includes a pump body 2 and a motor fixedly connected to the pump body 2, the motor is fixed in the motor seat 1 (not shown in the drawings), and the motor seat 1 Covered in the cylinder 3, the two ends of the cylinder 3 are sealed with the motor base 1, and the return cavity 4 is formed between the inner wall of the cylinder 3 and the outer wall of the motor base 1; the outlet of the pump body 2 communicates with the first pipeline 5, The first pipeline 5 communicates with the return cavity 4 through the first branch 5.1, the diameter of the first branch 5.1 is smaller than the diameter of the first pipeline 5; the inlet of the pump body 2 communicates with the second pipeline 6, and the second pipeline 6 passes through The second branch 6.1 communicates with the return chamber 4, and the diameter of the second branch 6.1 is smaller than the diameter of the second pipeline 6.

Preferably, in order to improve heat exchange efficiency, the first branch 5.1 communicates with the top of the return chamber 4 , and the second branch 6.1 communicates with the bottom of the return chamber 4 .

The working principle of the utility model is: the liquid in the second pipeline 6 enters the first pipeline 5 after being pressurized by the pump body 2, and the liquid in the first pipeline 5 flows into the return cavity through the first branch 5.1 under the action of the pressure difference 4. Carry out heat exchange with the motor base 1, take away the heat of the motor base 1, reduce the temperature of the motor, then flow into the second pipeline 6 through the second branch 6.1, and then pressurize the pump body 2 to flow to the first pipeline 5 . The flow direction of the liquid is shown in Figure 1 and Figure 2.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Although the utility model has been described in detail with reference to the embodiments, for those skilled in the art, it is still possible for those skilled in the art to understand the foregoing embodiments. Modifications to the technical solutions described, or equivalent replacements for some of the technical features, but within the spirit and principles of the utility model, any modifications, equivalent replacements, improvements, etc., shall be included in the scope of the utility model. within the scope of protection.

Claims (4)

1. A water reflux heat dissipation booster pump, characterized in that it comprises a pump body and a motor fixedly connected to the pump body, the motor is fixed in the motor seat, the motor seat is covered in the cylinder, and the two ends of the cylinder are sealed with the motor seat Connection, the return cavity is formed between the inner wall of the cylinder and the outer wall of the motor base; the outlet of the pump body communicates with the first pipeline, and the first pipeline communicates with the return cavity through the first branch; the inlet of the pump body communicates with the second pipeline communicated, and the second pipeline communicates with the return cavity through the second branch. 2. The booster pump according to claim 1, wherein the first branch communicates with the top of the return cavity, and the second branch communicates with the bottom of the return cavity. 3 . The water return flow cooling booster pump according to claim 1 , wherein the pipe diameter of the first branch is smaller than the pipe diameter of the first pipeline. 4 . 4. The water return flow cooling booster pump according to claim 1, characterized in that, the pipe diameter of the second branch is smaller than the pipe diameter of the second pipeline.