Efficient energy-saving new energy automobile electronic water pump

Abstract

The utility model provides an efficient energy-saving new energy automobile electronic water pump which comprises a stator shell, a rotating shaft sealing shell is fixedly installed in the stator shell in a pluggable mode, a rotor is rotatably installed in the rotating shaft sealing shell, and an impeller is fixedly installed at the output end of the rotor. A turbine cover is fixedly installed at the end, provided with the rotor, of the stator shell through a bolt, and the impeller is located in the turbine cover and rotationally connected with the turbine cover. According to the electronic water pump, due to the overall arrangement, multiple sealing effects can be achieved between the stator shell and the rotor, and therefore leakage can be effectively prevented in the cooling liquid conveying process, the cooling liquid conveying efficiency of the electronic water pump is improved, and the service life of the electronic water pump is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of electronic water pumps, and in particular to a high-efficiency and energy-saving electronic water pump for new energy vehicles. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional vehicle fuels as their power source (or use conventional vehicle fuels and new vehicle power devices), and integrate advanced technologies in vehicle power control and drive to form vehicles with advanced technical principles, new technologies, and new structures. New energy vehicles include pure electric vehicles, extended-range electric vehicles, hybrid vehicles, fuel cell electric vehicles, hydrogen engine vehicles, etc.

[0003] As we all know, the most common new energy vehicle is the electric vehicle. Whether it is a fuel vehicle or a new energy vehicle, it needs to dissipate heat during operation, so it needs a corresponding coolant circulation pump. However, the existing high-efficiency and energy-saving new energy vehicle electronic water pump is prone to poor sealing during long-term use, causing the coolant to enter the electronic water pump, thereby affecting the overall operation of the electronic water pump.

[0004] Therefore, it is very necessary to invent a high-efficiency and energy-saving new energy automobile electronic water pump. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a high-efficiency energy-saving new energy automobile electronic water pump adopts the following technical solution: a high-efficiency energy-saving new energy automobile electronic water pump, comprising a stator housing, wherein: a rotating shaft sealing shell is fixedly installed in the stator housing by plugging and unplugging, and a rotor is rotatably installed in the rotating shaft sealing shell, and an impeller is fixedly installed at the output end of the rotor; a turbine cover is fixedly installed at one end of the stator housing with the rotor by bolts, and the impeller is in the turbine cover and is rotatably connected to the turbine cover;

[0006] Preferably, the front end of the stator housing is evenly provided with a plurality of internal threaded holes, and the inner surface of the front end of the stator housing is evenly provided with two inner sealing ring grooves, and the front end surface of the stator housing is evenly provided with two outer sealing ring grooves with different diameters; the inner sealing ring groove and the outer sealing ring groove are coaxial with the stator housing; the bolts are fixedly connected with the internal threaded holes; the shaft sealing shell is clamped with the inner sealing ring groove and the outer sealing ring groove;

[0007] Preferably, the open end of the rotating shaft sealing shell is provided with an integrated sealing edge, which is coaxial with the sealing edge, and a plurality of fixing holes are evenly distributed through the sealing edge, and the fixing holes correspond to the internal threaded holes one by one; the bolts pass through the fixing holes and are fixedly connected with the corresponding internal threaded holes; two sealing rings 1 are evenly distributed and fixedly installed on the circumference of the open end of the rotating shaft sealing shell, and the sealing ring 1 is stuck in the corresponding inner sealing ring groove; two sealing rings 2 with different diameters are evenly distributed and fixedly installed on the bottom surface of the sealing edge, and the sealing ring 2 is stuck in the corresponding outer sealing ring groove; the diameter of the sealing edge is larger than the diameter of the rotating shaft sealing shell, and the diameter of the sealing edge matches the diameter of the open end of the stator housing.

[0008] Preferably, a rear cover is fixedly installed at the rear end of the stator housing by bolts, and a circuit board is fixedly installed between the rear cover and the stator housing; an electric control plug is fixedly installed on the circumferential surface of the rear end of the stator housing, and the electric control plug, the circuit board and the stator winding inside the stator housing are electrically connected; a fixing seat is fixedly installed on the circumferential surface of the stator housing.

[0009] Preferably, a positioning column is fixedly installed inside the shaft sealing shell and is coaxial with the positioning column; the rotor is sleeved and installed on the positioning column and is rotatably connected with the positioning column.

[0010] Preferably, the rotor is provided with an annular cavity for connecting with the positioning post, and the rotor is sleeved on the positioning post through the annular cavity and is rotatably connected with the positioning post.

[0011] Preferably, a plurality of integrated internally threaded fixing ears are evenly distributed on the turbine cover, and the internally threaded fixing ears correspond to the internally threaded holes; and the bolts are fixedly connected with the corresponding internally threaded fixing ears and the internally threaded holes.

[0012] Compared with the prior art, the advantages of the utility model are:

[0013] The overall arrangement of the utility model can achieve multiple sealing effects between the stator housing and the rotor, so that leakage can be effectively prevented during the coolant delivery process, thereby improving the coolant delivery efficiency of the electronic water pump and the service life of the electronic water pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the explosion structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 3 It is a schematic diagram of the stator housing structure of the utility model.

[0017] Figure 4It is a schematic diagram of the structure of the rotary shaft sealing shell of the utility model.

[0018] In the figure:

[0019] Stator housing 1, internal thread hole 11, inner sealing ring groove 12, outer sealing ring groove 13, shaft sealing shell 2, positioning column 21, sealing edge 22, fixing hole 23, sealing ring 1 24, sealing ring 25, rotor 3, turbine cover 4, internal thread fixing ear 41, electric control plug 5, bolt 6, rear cover 7, fixing seat 8. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be described clearly and completely below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0021] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0022] The utility model is further described below in conjunction with the accompanying drawings:

[0023] Embodiment 1

[0024] Reference Figure 1-4, a high-efficiency and energy-saving new energy automobile electronic water pump, comprising a stator housing 1, wherein: a rotating shaft sealing shell 2 is fixedly installed in the stator housing 1 by plugging and unplugging, and the setting of the rotating shaft sealing shell 2 can ensure the sealing between the stator housing 1 and the rotor 3, and prevent the coolant from leaking into the stator housing 1 during the process of conveying the coolant, thereby improving the efficiency of conveying the coolant, and the rotor 3 is rotatably installed in the rotating shaft sealing shell 2, and the output end of the rotor 3 is fixedly installed with an impeller; one end of the stator housing 1 with the rotor 3 is fixedly installed with a turbine cover 4 through a bolt 6, and the impeller is in the turbine cover 4 and is rotatably connected with the turbine cover 4;

[0025] The front end of the stator housing 1 is evenly provided with a plurality of internal thread holes 11, and the inner surface of the front end of the stator housing 1 is evenly provided with two internal sealing ring grooves 12, and the front end surface of the stator housing 1 is evenly provided with two external sealing ring grooves 13 with different diameters; the internal sealing ring groove 12 and the external sealing ring groove 13 are coaxial with the stator housing 1; the bolt 6 is fixedly connected with the internal thread hole 11; the rotating shaft sealing shell 2 is clamped with the internal sealing ring groove 12 and the external sealing ring groove 13, and the sealing performance between the stator housing 1 and the rotating shaft sealing shell 2 can be improved by setting the internal sealing ring groove 12 and the external sealing ring groove 13, and when leakage occurs between the sealing ring groove 13 and the rotating shaft sealing shell 2, the sealing performance between the internal sealing ring groove 12 and the rotating shaft sealing shell 2 can still be maintained;

[0026] The open end of the rotating shaft sealing shell 2 is provided with an integrated sealing edge 22, which is coaxial with the sealing edge 22. The setting of the sealing edge 22 prevents the coolant from entering the sealing ring groove 13, and a plurality of fixing holes 23 are evenly distributed through the sealing edge 22, and the fixing holes 23 correspond to each internal thread hole 11 one by one; the bolts 6 pass through the fixing holes 23 and are fixedly connected with the corresponding internal thread holes 11; two sealing rings 24 are evenly fixedly installed on the circumference of the open end of the rotating shaft sealing shell 2, and the setting of the sealing ring 24 can ensure that The sealing performance between the rotating shaft sealing shell 2 and the inner sealing ring groove 12 is ensured, and the sealing ring 1 24 is stuck in the corresponding inner sealing ring groove 12; two sealing rings 25 with different diameters are evenly and fixedly installed on the bottom surface of the sealing edge 22. Through the setting of the sealing ring 25, the sealing performance between the rotating shaft sealing shell 2 and the outer sealing ring groove 13 can be ensured, and the sealing ring 25 is stuck in the corresponding outer sealing ring groove 13; the diameter of the sealing edge 22 is larger than the diameter of the rotating shaft sealing shell 2, and the diameter of the sealing edge 22 matches the diameter of the opening end of the stator housing 1.

[0027] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A high-efficiency and energy-saving new energy automobile electronic water pump, characterized in that: It comprises a stator housing (1), wherein: a rotating shaft sealing housing (2) is fixedly installed in the stator housing (1) by plugging and unplugging, and a rotor (3) is rotatably installed in the rotating shaft sealing housing (2), and an impeller is fixedly installed at the output end of the rotor (3); a turbine cover (4) is fixedly installed at one end of the stator housing (1) with the rotor (3) by bolts (6), and the impeller is in the turbine cover (4) and is rotatably connected to the turbine cover (4); The front end of the stator housing (1) is evenly provided with a plurality of internal thread holes (11), and the inner surface of the front end of the stator housing (1) is evenly provided with two inner sealing ring grooves (12), and the front end surface of the stator housing (1) is evenly provided with two outer sealing ring grooves (13) of different diameters; the bolts (6) are fixedly connected to the internal thread holes (11); the shaft sealing shell (2) is clamped to the inner sealing ring groove (12) and the outer sealing ring groove (13); The open end of the rotating shaft sealing shell (2) is provided with an integrated sealing edge (22), and a plurality of fixing holes (23) are evenly distributed and penetrated on the sealing edge (22), and the fixing holes (23) correspond to the internal thread holes (11) one by one; the bolts (6) pass through the fixing holes (23) and are fixedly connected to the corresponding internal thread holes (11); two sealing rings (24) are evenly distributed and fixedly installed on the circumference of the open end of the rotating shaft sealing shell (2), and the sealing rings (24) are clamped in the corresponding inner sealing ring grooves (12); two sealing rings (25) with different diameters are evenly distributed and fixedly installed on the bottom surface of the sealing edge (22), and the sealing rings (25) are clamped in the corresponding outer sealing ring grooves (13).

2. A high-efficiency, energy-saving, new energy automobile electronic water pump as claimed in claim 1, characterized in that: A rear cover (7) is fixedly mounted on the rear end of the stator housing (1) by means of bolts (6), and a circuit board is fixedly mounted between the rear cover (7) and the stator housing (1); an electric control plug (5) is fixedly mounted on the circumferential surface of the rear end of the stator housing (1), and the electric control plug (5), the circuit board and the stator winding inside the stator housing (1) are electrically connected; and a fixing seat (8) is fixedly mounted on the circumferential surface of the stator housing (1).

3. A high-efficiency, energy-saving, new energy automobile electronic water pump as claimed in claim 1, characterized in that: A positioning column (21) is fixedly mounted inside the shaft sealing shell (2) and is coaxial with the positioning column (21); the rotor (3) is sleeved and mounted on the positioning column (21) and is rotatably connected to the positioning column (21).

4. A high-efficiency, energy-saving, new energy automobile electronic water pump as claimed in claim 3, characterized in that: The rotor (3) is provided with an annular cavity for connecting with the positioning column (21), and the rotor (3) is sleeved on the positioning column (21) through the annular cavity and is rotatably connected with the positioning column (21).

5. The high-efficiency and energy-saving new energy automobile electronic water pump according to claim 1, characterized in that: The turbine cover (4) is evenly provided with a plurality of integrated internally threaded fixing ears (41), and the internally threaded fixing ears (41) correspond to the internally threaded holes (11); the bolts (6) are fixedly connected to the corresponding internally threaded fixing ears (41) and the internally threaded holes (11).

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