Balancing hole structure for improving noise and vibration of water pump

Abstract

The utility model relates to the technical field of water pumps, in particular to a balance hole structure for improving noise and vibration of a water pump, which is characterized in that liquid is discharged into a shell through operation of a water pump main body assembly, is guided by the shell and then is discharged, so that the practicability of the water pump is improved; a housing is included; the water pump further comprises a water pump body assembly which is installed in the shell. The water pump main body assembly conveys liquid, and the shell protects the water pump main body assembly and guides the liquid.

Description

Technical Field

[0001] The utility model relates to the technical field of water pumps, in particular to a balance hole structure for improving the noise and vibration of a water pump. Background Art

[0002] New energy vehicles are currently the general trend in the automotive industry. Most new energy vehicles are equipped with a thermal integration module, and an electronic water pump will be installed in the thermal integration module. The water pump is the main excitation source on the thermal integration module. Existing electronic water pumps, such as a rotor of a new energy vehicle electronic water pump disclosed in the utility model patent with the publication number CN210033939U and a rubber bracket of a high-strength new energy vehicle water pump disclosed in the utility model patent with the publication number CN217926394U, etc., can all achieve the transportation of liquid.

[0003] However, when the existing water pump is running, due to the water pressure, there is a pressure difference between the upper and lower surfaces of the impeller. The pressure on the upper surface of the impeller is basically 10 kPa to -10 kPa, and the pressure on the lower surface of the impeller is above 100 kPa. The impeller will hit the volute, which will deteriorate the noise and vibration of the water pump, resulting in poor practicability. Therefore, there is an urgent need for a balance hole structure for improving the noise and vibration of the water pump. Summary of the Utility Model

[0004] To solve the above technical problems, the utility model provides a balance hole structure for improving the noise and vibration of a water pump. Through the operation of the water pump main body assembly, liquid is discharged into the housing, and after the housing guides the liquid, the liquid is then discharged, thereby improving the practicability of the water pump.

[0005] A balance hole structure for improving the noise and vibration of a water pump of the utility model includes a housing; it also includes a water pump main body assembly, and the water pump main body assembly is installed in the housing;

[0006] The water pump main body assembly transports the liquid, and the housing protects the water pump main body assembly and guides the liquid.

[0007] Through the operation of the water pump main body assembly, liquid is discharged into the housing, and after the housing guides the liquid, the liquid is then discharged, thereby improving the practicability of the water pump.

[0008] Preferably, the housing includes a volute and a casing, and the volute is installed on the casing; the volute and the casing cooperate to protect the water pump main body assembly and guide the transported liquid.

[0009] Preferably, the water pump main body assembly includes an impeller assembly, a waterproof chamber, a circuit board, and a stator. The waterproof chamber is installed in the casing, the impeller assembly is installed in the waterproof chamber, the stator is sleeved on the waterproof chamber, and the circuit board is installed inside the casing and located between the casing and the waterproof chamber. After receiving a control signal, the circuit board controls the stator to generate a magnetic field, causing the impeller assembly to rotate and convey the liquid, thereby improving the stability of the water pump.

[0010] Preferably, the impeller assembly includes an impeller lower cover, an impeller upper cover, and a ceramic gasket. Multiple groups of limit posts are provided on the impeller lower cover, and multiple groups of limit holes are provided on the impeller upper cover. Install the impeller lower cover in the waterproof chamber, then install the impeller upper cover on the impeller lower cover, and make the multiple groups of limit posts on the impeller lower cover respectively snap into the multiple groups of limit holes on the impeller upper cover. Then, sleeve the ceramic gasket on the waterproof chamber and make the ceramic gasket located above the impeller upper cover. Through the design of multiple groups of limit posts and multiple groups of limit holes, it is convenient for the impeller lower cover and the impeller upper cover to rotate simultaneously, and during the production process, the installation convenience is improved, and the anti-fooling effect is enhanced. When in use, the stator drives the impeller lower cover to rotate, causing the impeller upper cover to rotate together with the impeller lower cover to convey the liquid, thereby improving the stability of liquid conveyance.

[0011] Preferably, multiple groups of through holes are provided on the impeller lower cover; this enables the impeller lower cover to be connected up and down, balances the pressure difference above and below the impeller assembly, effectively reduces the force of the impeller hitting the volute, and thus improves the vibration and noise of the water pump.

[0012] Preferably, the number of the through holes is 7;

[0013] Preferably, the stator is provided with a stator PIN and a ground PIN; this facilitates the stator to receive electrical energy and control signals, and also facilitates the discharge of static electricity.

[0014] Compared with the prior art, the beneficial effect of the present utility model is that through the operation of the water pump main body assembly, the liquid is discharged into the casing, and after the casing guides the liquid, the liquid is then discharged, thereby improving the practicality of the water pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the first axonometric structural schematic diagram of the present utility model;

[0016] Figure 2 is the second axonometric structural schematic diagram of the present utility model;

[0017] Figure 3 is the front view structural schematic diagram of the present utility model;

[0018] Figure 4 is the exploded structural schematic diagram of the present utility model;

[0019] Figure 5 is the first axonometric structural schematic diagram of the lower impeller cover and the lower impeller cover of the present utility model;

[0020] Figure 6 is the second axonometric structural schematic diagram of the lower impeller cover and the lower impeller cover of the present utility model.

[0021] Markings in the attached drawings: 1, volute; 2, casing; 3, waterproof chamber; 4, circuit board; 5, stator; 6, lower impeller cover; 7, upper impeller cover; 8, ceramic gasket; 9, limit post; 10, limit hole; 11, through hole. Specific embodiments

[0022] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant attached drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0023] Embodiment

[0024] As Figures 1 to 6 shown, a balance hole structure for improving the noise and vibration of a water pump includes a housing; it further includes a water pump main body assembly, and the water pump main body assembly is installed in the housing;

[0025] The water pump main body assembly conveys liquid, and the housing protects the water pump main body assembly and guides the liquid;

[0026] The housing includes a volute 1 and a casing 2, and the volute 1 is installed on the casing 2;

[0027] The water pump main body assembly includes an impeller assembly, a waterproof chamber 3, a circuit board 4 and a stator 5. The waterproof chamber 3 is installed in the casing 2, the impeller assembly is installed in the waterproof chamber 3, the stator 5 is sleeved on the waterproof chamber 3, the circuit board 4 is installed inside the casing 2, and the circuit board 4 is located between the casing 2 and the waterproof chamber 3;

[0028] The impeller assembly includes a lower impeller cover 6, an upper impeller cover 7 and a ceramic gasket 8. Multiple groups of limit posts 9 are arranged on the lower impeller cover 6, and multiple groups of limit holes 10 are arranged on the upper impeller cover 7. The lower impeller cover 6 is installed in the waterproof chamber 3, then the upper impeller cover 7 is installed on the lower impeller cover 6, and multiple groups of limit posts 9 on the lower impeller cover 6 are respectively snapped into multiple groups of limit holes 10 on the upper impeller cover 7. Then the ceramic gasket 8 is sleeved on the waterproof chamber 3, and the ceramic gasket 8 is located above the upper impeller cover 7;

[0029] Multiple groups of through holes 11 are arranged on the lower impeller cover 6;

[0030] The number of the through holes 11 is 7;

[0031] The stator 5 is provided with a stator PIN and a ground PIN;

[0032] After the circuit board 4 receives the control signal, it controls the stator 5 to generate a magnetic field, causing the impeller assembly to rotate and conveying the liquid. At the same time, through the multiple sets of through holes 11 provided, the upper and lower parts of the impeller lower cover 6 are connected, balancing the upper and lower pressure differences of the impeller assembly, effectively reducing the force of the impeller hitting the volute 1, thereby improving the vibration and noise of the water pump.

[0033] The circuit board 4 and the stator 5 of the balance hole structure for improving the noise and vibration of the water pump of the present utility model are purchased on the market. Those skilled in the art only need to install and operate according to the attached instruction manual, without the need for those skilled in the art to perform creative labor.

[0034] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in the technical field, without departing from the technical principle of the present utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A balance hole structure for improving the noise and vibration of a water pump, including a housing; characterized in that, It further includes a water pump main body assembly, and the water pump main body assembly is installed in the housing; The water pump main body assembly conveys the liquid, and the housing protects the water pump main body assembly and guides the liquid; The housing includes a volute (1) and a casing (2), and the volute (1) is installed on the casing (2); The water pump main body assembly includes an impeller assembly, a waterproof chamber (3), a circuit board (4) and a stator (5). The waterproof chamber (3) is installed in the casing (2), the impeller assembly is installed in the waterproof chamber (3), the stator (5) is sleeved on the waterproof chamber (3), the circuit board (4) is installed inside the casing (2), and the circuit board (4) is located between the casing (2) and the waterproof chamber (3); The impeller assembly includes an impeller lower cover (6), an impeller upper cover (7) and a ceramic gasket (8). Multiple groups of limit posts (9) are arranged on the impeller lower cover (6), and multiple groups of limit holes (10) are arranged on the impeller upper cover (7). The impeller lower cover (6) is installed in the waterproof chamber (3), then the impeller upper cover (7) is installed on the impeller lower cover (6), and multiple groups of limit posts (9) on the impeller lower cover (6) are respectively snapped into multiple groups of limit holes (10) on the impeller upper cover (7). Then the ceramic gasket (8) is sleeved on the waterproof chamber (3), and the ceramic gasket (8) is located above the impeller upper cover (7); Multiple groups of through holes (11) are arranged on the impeller lower cover (6).

2. The balance hole structure for improving the noise and vibration of a water pump according to claim 1, characterized in that The number of the through holes (11) is 7.

3. The balance hole structure for improving the noise and vibration of a water pump according to claim 1, characterized in that, The stator (5) is provided with a stator PIN and a ground PIN.

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