Pump structure for improving motor power

Abstract

The utility model relates to the technical field of high motor power pumps, in particular to a pump structure for improving motor power, which is provided with a rotor component and a stator component, so that in the use process, the pump structure can reduce heat, reduce cost, reduce the overall weight and prolong the endurance of a vehicle; comprising a pump upper cover; the pump further comprises a rotor assembly, stator glue injection resin, a rotor shaft, an O-shaped ring, a stator winding, a stator assembly, a primary injection molding product and a secondary injection molding product, the rotor assembly, the stator glue injection resin, the rotor shaft, the O-shaped ring, the stator winding, the stator assembly and the primary injection molding product are arranged in the pump upper cover in a sleeved mode, and the pump upper cover is installed and locked through the secondary injection molding product.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of high motor power pump, in particular to a pump structure of improving motor power. BACKGROUND

[0002] With increasingly high energy saving and environmental protection requirements, as a key power source, the pump must also meet the standards of high efficiency and low energy consumption. The water pump is a machine for conveying liquid or pressurizing liquid. It transmits mechanical energy or other external energy to the liquid, increasing the liquid energy. It is mainly used to convey liquid, including water, oil, acid and alkali liquid, emulsion, suspension emulsion and liquid metal, etc.

[0003] In the existing pump structure for improving motor power, for example, the utility model patent with the application number 202320877310.6 discloses a pump structure. The utility model adopts split type first pump body and second pump body assembly forming, and the first pipe and the second pipe are connected with the second flange and the first lower flange in a free angle mode, so that the pump structure with different included angles of the first pipe and the second pipe can be designed. It can be seen that the first pump body and the second pump body can be made of the same mold. Different structures of the pump can be obtained by free angle assembly method, which reduces the investment cost and achieves the effect of energy saving and emission reduction to a certain extent. According to the demand, it can be applied in different environments, and has the characteristics of simple structure, convenient installation and excellent performance.

[0004] With the rapid development of new energy vehicles, the demand for thermal management is increasing, and the demand for pump cooling power is also increasing. However, with the increase of pump power, the heat of the pump itself also increases. In order to reduce the heat, the method of increasing the size of pump motor is used. This method increases the cost and the overall weight, and reduces the endurance of the vehicle. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a pump structure for improving motor power by setting rotor assembly and stator assembly, so that the utility model can reduce heat in use, reduce cost and overall weight, and improve the endurance of the vehicle.

[0006] The utility model discloses a pump structure of improving motor power, including pump upper cover, still include rotor assembly, stator injection resin, rotor shaft, O type ring, stator winding, stator assembly, primary injection product and secondary injection product, rotor assembly, stator injection resin, rotor shaft, O type ring, stator winding, stator assembly and primary injection product are sleeved in the pump upper cover, and the pump upper cover is installed locking through secondary injection product, first, stator core surface carries out electrophoresis treatment, then stator core injection lives into stator assembly, and stator winding is wound on stator assembly, and then stator injection resin is filled in stator assembly surface, forms a whole, and then carries out primary injection, and primary injection product is injection molded to the stator assembly, and then secondary injection product is injection molded to primary injection product, and rotor shaft is injection molded on secondary injection product at the same time secondary injection, installs rotor shaft to secondary injection product, puts O type ring to secondary injection product, then puts into pump upper cover, and then through screw, secondary injection product and pump upper cover are fastened together, the utility model discloses can reduce fever, reduce cost and also reduce overall weight, improve the endurance of vehicle.

[0007] Preferably, the air thermal resistance between the stator winding and the casing is changed into plastic thermal resistance by integrally plasticizing the stator with the casing.

[0008] Preferably, the stator is integrally injection molded with the casing to reduce the air gap between the stator and the rotor and reduce the air gap reluctance, thereby improving the magnetic flux and the pump motor power.

[0009] Preferably, the surface of the stator core is treated by cathode electrophoresis before injection molding; and the inner diameter of the stator core is exposed to the cooling liquid to prevent rusting of the core.

[0010] Preferably, the wall thickness of the two injection molding is averaged to prevent deformation and material shortage caused by the wall thickness of the injection molding.

[0011] Preferably, the stator is treated by injection before integrally injection molding; the stator is soaked in resin slurry and heated and solidified to completely protect the stator winding; and the cooling liquid is prevented from seeping into the stator to cause short circuit of the motor.

[0012] Compared with the prior art, the beneficial effects of the utility model are that: firstly, the surface of the stator core is subjected to electrophoresis treatment, then the stator core is injection molded into a stator assembly, the stator winding is wound on the stator assembly, then the stator injection resin is poured on the surface of the stator assembly, forming a whole, then one-time injection molding is carried out, the one-time injection molding product is injection molded on the stator assembly, then the secondary injection molding product is injection molded on the one-time injection molding product, at the same time, the rotor shaft is injection molded on the secondary injection molding product during the secondary injection molding, the rotor shaft is installed on the secondary injection molding product, the O-shaped ring is placed on the secondary injection molding product, then the pump upper cover is placed, then the secondary injection molding product and the pump upper cover are fastened together through screws, the utility model can reduce heat generation, reduce cost and reduce the overall weight, and improve the endurance of the vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the axial measurement structure schematic diagram of the utility model;

[0014] Figure 2 is the right view cross section axial measurement structure schematic diagram of the utility model;

[0015] Figure 3 is the rotor assembly axial measurement structure schematic diagram of the utility model;

[0016] Figure 4 is the stator injection resin axial measurement structure schematic diagram of the utility model;

[0017] Figure 5 is the stator winding axial measurement structure schematic diagram of the utility model;

[0018] Figure 6 is the rotor shaft axial measurement structure schematic diagram of the utility model;

[0019] Figure 7 is the one-time injection molding product axial measurement structure schematic diagram of the utility model;

[0020] Mark in the drawing: 1, pump upper cover; 2, rotor assembly; 3, stator injection resin; 4, rotor shaft; 5, O-shaped ring; 6, stator winding; 7, stator assembly; 8, one-time injection molding product; 9, secondary injection molding product. DETAILED DESCRIPTION

[0021] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the related drawings. The utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] Embodiment 1

[0023] As Figures 1 to 7The utility model discloses a pump structure of improving motor power, including pump upper cover 1, still including rotor assembly 2, stator resin injection 3, rotor shaft 4, O ring 5, stator winding 6, stator assembly 7, primary injection product 8 and secondary injection product 9, rotor assembly 2, stator resin injection 3, rotor shaft 4, O ring 5, stator winding 6, stator assembly 7 and primary injection product 8 are set in pump upper cover 1, and pump upper cover 1 is installed locking through secondary injection product 9,

[0024] Through the form of stator and shell integrated plastic, the air thermal resistance between stator winding and shell is changed into the thermal resistance of plastic,

[0025] Adopt the way of stator and shell injection molding, reduce the air gap between stator and rotor, reduce the air gap reluctance,

[0026] Before injection molding, the surface of stator core is treated by cathodic electrophoresis,

[0027] Adopt the way of twice injection molding, the wall thickness of twice injection molding is averaged,

[0028] Before stator integrated injection molding, the stator is treated by resin injection, the stator is soaked in resin slurry, heated and solidified, so that the stator winding is completely protected,

[0029] First, the surface of stator core is treated by electrophoresis, then the stator core is injection molded into stator assembly 7, the stator winding 6 is wound on the stator assembly 7, the stator resin injection 3 is poured on the surface of stator assembly, forming a whole, then injection molding, the primary injection product 8 is injection molded on the stator assembly 7, the secondary injection product 9 is injection molded on the primary injection product 8, at the same time, the rotor shaft 4 is injection molded on the secondary injection product 9 during secondary injection, the rotor shaft 4 is installed on the secondary injection product 9, the O ring 5 is placed on the secondary injection product 9, then the pump upper cover 1 is placed, and then the secondary injection product 9 and the pump upper cover 1 are fastened together through screws, so that the utility model can reduce heat generation in use, reduce cost and reduce overall weight, improve vehicle endurance.

[0030] As Figures 1 to 7As shown, the pump structure for improving motor power of the utility model, in working, first of all, the stator core surface is carried out electrophoresis treatment, then the stator core injection lives into stator assembly 7, the stator winding 6 is wound on stator assembly 7, again the stator injection resin 3 is poured in stator assembly surface, forms a whole, again injection molding, injection molding product 8 is injection molded to the wrapping stator assembly 7, again injection molding product 9 is injection molded to injection molding product 8, while injection molding, the rotor shaft 4 is injection molded on injection molding product 9, the rotor shaft 4 is installed to injection molding product 9, the O ring 5 is placed to injection molding product 9, again put into pump upper cover 1, then through screw injection molding product 9 and pump upper cover 1 are fastened together.

[0031] The main function realized by the utility model is that: in the working process of high motor power pump, the rotor assembly and the stator assembly are arranged, so that the utility model can reduce heat generation in use, reduce cost, reduce overall weight and improve vehicle endurance.

[0032] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, several improvements and modifications can be made without departing from the technical principles of the utility model, and these improvements and modifications should be regarded as the protection scope of the utility model.

Claims

1. A pump structure for increasing the power of an electric machine, comprising a pump upper cover (1); characterized in that, Also include rotor assembly (2), stator glue resin (3), rotor shaft (4), O-ring (5), stator winding (6), stator assembly (7), one injection molding products (8) and secondary injection molding products (9), rotor assembly (2), stator glue resin (3), rotor shaft (4), O-ring (5), stator winding (6), stator assembly (7) and one injection molding products (8) are installed in the pump cover (1), through the secondary injection molding products (9) to the pump cover (1) installation locking.

2. A pump construction for increasing the power of an electric machine according to claim 1, characterized in that Through the form of stator and shell integrated plastic, the air thermal resistance between stator winding and shell is changed to the thermal resistance of plastic.

3. A pump construction for increasing the power of an electric machine according to claim 2, characterized in that Adopt the way of stator and shell injection molding, reduce the air gap between stator and rotor, reduce the air gap reluctance.

4. A pump construction for increasing the power of an electric machine according to claim 3, characterized in that The surface of the stator core is treated by cathodic electrophoresis before injection molding.

5. A pump construction for increasing the power of an electric machine according to claim 4, characterized in that Adopt the way of twice injection molding, the wall thickness of twice injection molding is averaged.

6. A pump construction for increasing the power of an electric machine according to claim 5, characterized in that The stator is treated by glue injection before the stator integrated injection molding, the stator is soaked in resin slurry, heated and cured, so that the stator winding is completely protected.

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