Motor and water pump

Abstract

The utility model relates to the technical field of high-speed motors, in particular to a motor and a water pump, which comprise a shell, a fixed support, a stator assembly, a rotor assembly, a rotating shaft assembly and an impeller, the shell is provided with a placement cavity, one end of the shell is provided with a liquid inlet, and one end of the liquid inlet is communicated with the placement cavity; the fixing support is arranged in the containing cavity, and a fixing shaft is arranged in the middle of the fixing support. The stator assembly comprises a stator support installed on the fixing support, a stator bin is formed between the stator support and the periphery of the fixing shaft, and a stator coil is installed in the stator bin. One end of the rotating shaft assembly is fixedly connected with the fixed shaft, and the other end is rotationally connected with the rotor connector; one end of the impeller is connected with the rotor connecting piece and rotates along with the rotor connecting piece, and the impeller faces the liquid inlet. According to the utility model, the motor can be cooled under the flowing action of water, and the heat in the working process of the motor is taken out and cooled under the circulating flowing action.

Description

Technical Field

[0001] The utility model relates to the technical field of high-speed motors, in particular to a motor and a water pump. Background Art

[0002] A high-speed motor pump is a device that combines a motor and a pump to achieve high-speed liquid delivery or compression. It usually consists of a motor and a pump. The motor provides power to drive the pump to deliver or compress the liquid. The existing high-speed motor pump cannot effectively dissipate the heat of the high-speed motor during use, resulting in the problem that the high-speed motor cannot be continuously operated. Therefore, it is necessary to make new designs and improvements to the heat dissipation of high-speed motor pumps. Utility Model Content

[0003] In order to solve the above problems, the utility model can ensure the stable flow of water inside the motor by setting the first gap, the second gap, the third gap and the flow channel. In this way, the turbulence and vortex of the water flow can be reduced, and the efficiency and performance can be improved. The flow of water can dissipate the heat of the motor, and the heat generated during the operation of the motor can be taken out of the heat dissipation motor and water pump under the action of the circulating flow.

[0004] The technical solution adopted by the utility model is: a motor, including a shell, a fixed bracket, a stator assembly, a rotor assembly, a rotating shaft assembly and an impeller, the shell is provided with a placement cavity, one end of the shell is provided with a liquid inlet, and one end of the liquid inlet is connected to the placement cavity; the fixed bracket is arranged in the placement cavity, and a fixed shaft is centrally arranged on the fixed bracket; the stator assembly includes a stator bracket installed on the fixed bracket, a stator bin is formed between the stator bracket and the outer periphery of the fixed shaft, and a stator coil is installed in the stator bin; the rotor assembly includes a rotor shell, a rotor connecting piece and a rotor magnetic shoe, the rotor magnetic shoe is installed on the inner diameter of the rotor shell and faces the stator coil, one end of the rotor connecting piece is fixedly connected to the rotor shell; one end of the rotating shaft assembly is fixedly connected to the fixed shaft, and the other end is rotatably connected to the rotor connecting piece; one end of the impeller is connected to the rotor connecting piece and rotates with the rotor connecting piece, and the impeller faces the liquid inlet.

[0005] A further improvement to the above scheme is that a first gap is provided between the outer periphery of the impeller and the accommodation cavity, a second gap is provided between the rotor housing and the accommodation cavity, a third gap is provided between the inner diameter of the rotor magnetic shoe and the stator bracket, and a flow water channel is provided on the inner side of the rotor connecting piece; one end of the first gap is connected to the liquid inlet, and the first gap, the second gap, the third gap and the flow water channel are connected in sequence to form a circulating water channel.

[0006] A further improvement to the above scheme is that an end cover is provided at one end of the shell, the end cover is installed at one end of the shell to close one end of the accommodation cavity, the end cover is provided with a flow cavity, and the impeller is arranged in the flow cavity.

[0007] A further improvement to the above scheme is that a connection port is provided on one side of the fixed bracket, the connection port is provided with a connection pipe, a control placement groove is provided on one side of the connection port, a control board is installed in the control placement groove near the stator bracket, and the connection pipe is used for the control board wiring to extend out.

[0008] A further improvement to the above solution is that the stator bracket is provided with a pressing platform, and the pressing platform is used to press and fix the control board on the control mounting groove.

[0009] A further improvement to the above solution is that a heat dissipation hole is provided at the center of the fixed shaft, and the heat dissipation hole is used for heat dissipation of the stator coil.

[0010] A further improvement to the above solution is that a sealing connection ring is provided at one end of the stator bracket, and the sealing connection ring is sealingly connected to one end of the fixed shaft.

[0011] A further improvement to the above solution is that the rotor connector is provided with a matching step, one end of the matching step abuts against the rotor housing, and the other end abuts against the magnetic ring.

[0012] A further improvement to the above scheme is that the rotating shaft assembly includes a rotating shaft, a bearing and a rotating connecting ring, the rotating connecting ring is arranged in the rotor connecting piece, the bearing is arranged in the rotating connecting ring, one end of the rotating shaft is connected to the fixed shaft through a thread, and the other end is rotatably connected to the bearing.

[0013] A further improvement to the above scheme is that a connecting cavity is provided on the inner side of the impeller, a positioning pin is provided in the connecting cavity, a connecting platform is provided on the rotor connecting piece, one end of the connecting platform is connected to the connecting cavity, a positioning hole is provided on the connecting platform, and the positioning hole is used to cooperate with the positioning pin.

[0014] A water pump comprises the motor described above. The water pump is provided with a drain outlet, one end of which is connected to the placement cavity. The liquid inlet is used to introduce liquid and transport it toward the drain outlet under the action of an impeller.

[0015] The beneficial effects of the utility model are:

[0016] Compared with the existing high-speed motors, the utility model can realize the function of an efficient water pump through the rotation of the impeller. The connection between the liquid inlet and the placement chamber, and the connection between the impeller and the rotor connector, allow water to smoothly enter the motor and be pushed out, providing excellent water flow power. Through the arrangement of the first gap, the second gap, the third gap and the flow channel, the stable flow of water inside the motor can be ensured. In this way, the turbulence and vortex of the water flow can be reduced, and the efficiency and performance can be improved. The motor can be cooled by the flow of water, and the heat generated during the operation of the motor can be taken out and dissipated by the circulating flow.

[0017] The components of the motor of the utility model are compactly installed in the housing, occupying a small space. This compact design makes the motor more suitable for installation in equipment with limited space, thereby improving the overall efficiency and reliability of the system.

[0018] The solid structure and stable connection of the fixed bracket, stator assembly, rotor assembly and shaft assembly of the utility model, as well as the reasonable design of the impeller and rotor housing, make the motor have high durability and reliability, which can ensure that the motor can maintain stable performance during long-term operation.

[0019] The utility model forms a circulating water channel by connecting the first gap, the second gap, the third gap and the flowing water channel. This design allows water to circulate inside the motor, which is beneficial to the heat dissipation of the motor.

[0020] The water pump using the above-mentioned high-speed motor brings water in from the liquid inlet through the impeller and then takes it out from the outlet to form a high-speed water pump. During the high-speed water transportation process, the high-speed motor completes rapid water supply and also dissipates heat for the motor through the circulating water channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional schematic diagram of the motor of the utility model;

[0022] Figure 2 for Figure 1 A schematic top view of the motor;

[0023] Figure 3 for Figure 2 Sectional view of AA in the middle;

[0024] Figure 4 for Figure 1 Schematic diagram of the internal structure of the motor;

[0025] Figure 5 for Figure 1 Explosion diagram of the motor structure;

[0026] Figure 6 for Figure 1Schematic diagram of the internal structure of the motor part.

[0027] Description of reference numerals: housing 1, placement cavity 11, first gap 111, second gap 112, third gap 113, flow channel 114, liquid inlet 12, end cover 13, flow cavity 131;

[0028] Fixed bracket 2, fixed shaft 21, heat dissipation hole 211, connection port 22, connection pipe 23, control placement groove 24, control board 25;

[0029] Stator assembly 3, stator bracket 31, pressing platform 311, sealing connection ring 312, stator compartment 32, stator coil 33;

[0030] Rotor assembly 4, rotor housing 41, rotor connector 42, matching step 421, connecting platform 422, positioning hole 423, rotor magnetic shoe 43;

[0031] Rotating shaft assembly 5, rotating shaft 51, bearing 52, rotating connecting ring 53;

[0032] Impeller 6 , connecting chamber 61 , positioning pin 62 , and drain port 7 . DETAILED DESCRIPTION

[0033] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented 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 understanding of the disclosure of the present invention more thorough and comprehensive.

[0034] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0036] like Figure 1 to Figure 6As shown, in one embodiment of the utility model, a motor is involved, including a housing 1, a fixing bracket 2, a stator assembly 3, a rotor assembly 4, a rotating shaft assembly 5 and an impeller 6. The housing 1 is provided with a placement cavity 11, and one end of the housing 1 is provided with a liquid inlet 12, and one end of the liquid inlet 12 is connected to the placement cavity 11; the fixing bracket 2 is arranged in the placement cavity 11, and a fixing shaft 21 is centrally arranged on the fixing bracket 2; the stator assembly 3 includes a stator bracket 31 installed on the fixing bracket 2, and a fixed shaft 21 is formed between the stator bracket 31 and the outer periphery of the fixing shaft 21 The stator compartment 32 has a stator coil 33 installed in it; the rotor assembly 4 includes a rotor housing 41, a rotor connector 42 and a rotor magnet 43, the rotor magnet 43 is installed on the inner diameter of the rotor housing 41 and faces the stator coil 33, one end of the rotor connector 42 is fixedly connected to the rotor housing 41; one end of the shaft assembly 5 is fixedly connected to the fixed shaft 21, and the other end is rotatably connected to the rotor connector 42; one end of the impeller 6 is connected to the rotor connector 42 and rotates with the rotor connector 42, and the impeller 6 faces the liquid inlet 12. A first gap 111 is provided between the outer periphery of the impeller 6 and the placement chamber 11, a second gap 112 is provided between the rotor housing 41 and the placement chamber 11, a third gap 113 is provided between the inner diameter of the rotor magnetic tile 43 and the stator bracket 31, and a flow channel 114 is provided on the inner side of the rotor connector 42; one end of the first gap 111 is connected to the liquid inlet 12, and the first gap 111, the second gap 112, the third gap 113 and the flow channel 114 are connected in sequence to form a circulating water channel. In this embodiment, the motor can realize an efficient water pump function through the rotation of the impeller 6. The connection between the liquid inlet 12 and the placement chamber 11, and the connection between the impeller 6 and the rotor connector 42 allow water to smoothly enter the motor and be pushed out, providing excellent water flow power. By setting the first gap 111, the second gap 112, the third gap 113 and the flow channel 114, the stable flow of water inside the motor can be ensured. This can reduce the turbulence and vortex of the water flow and improve the efficiency and performance. The flow of water can dissipate the heat of the motor, and the circulating flow can dissipate the heat generated by the motor during operation.

[0037] The components of the motor of this embodiment are compactly mounted in the housing 1, occupying a small space. This compact design makes the motor more suitable for installation in equipment with limited space, thereby improving the overall efficiency and reliability of the system.

[0038] The solid structure and stable connection of the fixing bracket 2, the stator assembly 3, the rotor assembly 4 and the rotating shaft assembly 5 of this embodiment, as well as the reasonable design of the impeller 6 and the rotor housing 41, make the motor have high durability and reliability, which can ensure that the motor can maintain stable performance during long-term operation.

[0039] In this embodiment, a circulating water channel is formed by connecting the first gap 111, the second gap 112, the third gap 113 and the flowing water channel 114. This design allows water to circulate inside the motor, which is beneficial to the heat dissipation of the motor.

[0040] An end cover 13 is provided at one end of the housing 1, and the end cover 13 is installed at one end of the housing 1 to close one end of the placement chamber 11. The end cover 13 is provided with a flow chamber 131, and the impeller 6 is arranged in the flow chamber 131. In this embodiment, the installation of the end cover 13 and the design of the flow chamber 131 enable the water to remain smooth during high-speed operation, thereby ensuring the stability and reliability of the water pump during high-speed operation. Through the rotation of the impeller 6 in the flow chamber 131, the motor water pump can achieve a high-efficiency water pump function. The high-speed rotation of the impeller 6 pushes the water out, providing excellent water flow power, thereby achieving efficient liquid delivery. The rotational movement of the impeller 6 in the flow chamber 131 can effectively control and adjust the flow and pressure of the water. According to the design and speed adjustment of the impeller 6, outputs of different flow rates and pressures can be achieved to meet the needs of different application scenarios.

[0041] A connection port 22 is provided on one side of the fixed bracket 2, and a connection pipe 23 is provided on the connection port 22. A control placement groove 24 is provided on one side of the connection port 22. A control panel 25 is installed on the control placement groove 24 near the stator bracket 31, and the connection pipe 23 is used for the control panel 25 to extend the wiring. In this embodiment, a connection port 22 is provided on one side of the fixed bracket 2, and is connected to other systems or devices through the connection pipe 23. This connection port 22 can be used to access control signals, power supply or other external connections to achieve control and monitoring of the motor water pump. A control placement groove 24 is provided on one side of the connection port 22, and the placement groove is close to the stator bracket 31, and a control panel 25 is installed. The control panel 25 is used to process and control the operating parameters of the motor water pump. By placing the control panel 25 near the stator bracket 31, the control panel 25 can be better protected from vibration and impact, and its stability and reliability can be improved. The connection pipe 23 is used for the control panel 25 to extend the wiring, making the wiring of the motor water pump more convenient. Through reasonable wiring, the circuit connection can be simplified and the installation efficiency and reliability of the motor water pump can be improved.

[0042] The stator support 31 is provided with a pressing platform 311, and the pressing platform 311 is used to press and fix the control board 25 on the control placement groove 24. In this embodiment, the control board 25 is pressed and fixed by the pressing platform 311 to ensure the stability and reliability of the control board 25.

[0043] A heat dissipation hole 211 is provided at the center of the fixed shaft 21, and the heat dissipation hole 211 is used to dissipate heat from the stator coil 33. In this embodiment, the provision of the heat dissipation hole 211 can help dissipate the heat generated by the stator coil 33. When the motor is running, the stator coil 33 will generate heat due to the passage of current. If it cannot be dissipated in time, the stator coil 33 may overheat, reducing the efficiency and life of the motor. The presence of the heat dissipation hole 211 can provide a channel so that heat can be dissipated to the external environment through natural convection or other means. The temperature of the stator coil 33 can be effectively controlled through the design and position of the heat dissipation hole 211. Good heat dissipation design can help maintain the stator coil 33 working within a safe temperature range, prevent damage caused by overheating, and improve the reliability and stability of the motor.

[0044] A sealing connection ring 312 is provided at one end of the stator support 31, and the sealing connection ring 312 is sealed and connected to one end of the fixed shaft 21. In this embodiment, the connection point between the stator support 31 and the fixed shaft 21 can be effectively protected from the invasion of foreign substances by the connection between the sealing connection ring 312 and the fixed shaft 21. This sealing design can prevent dust, moisture or other pollutants from entering the interior of the motor, and protect the stator support 31 and the fixed shaft 21. The provision of the sealing connection ring 312 can also prevent liquid or gas from leaking between the stator support 31 and the fixed shaft 21. This sealing design can ensure that there will be no liquid leakage or gas leakage when the motor water pump is working, thereby improving the working efficiency and safety of the water pump.

[0045] The rotor connector 42 is provided with a matching step 421, one end of which is in contact with the rotor housing 41, and the other end is in contact with the magnetic ring. In this embodiment, a stable connection is formed between the rotor connector 42 and the rotor housing 41 through the design of the matching step 421. This connection method can ensure a tight fit between the rotor housing 41 and the rotor connector 42, and improve the overall rigidity and stability of the rotor. Through the connection method of the matching step 421, the vibration and noise generated by the rotor during high-speed rotation can be reduced. The matching step 421 provides a better connection contact area and sealing, reduces friction and looseness between the rotor components 4, and thus reduces the generation of vibration and noise.

[0046] The rotating shaft assembly 5 includes a rotating shaft 51, a bearing 52 and a rotating connecting ring 53. The rotating connecting ring 53 is arranged in the rotor connecting member 42, and the bearing 52 is arranged in the rotating connecting ring 53. One end of the rotating shaft 51 is connected to the fixed shaft 21 through a thread, and the other end is rotatably connected to the bearing 52. In this embodiment, the rotating shaft assembly 5 is tightly connected to the rotor connecting member 42 through the rotating connecting ring 53 to realize the rotational movement of the rotor. The rotating connecting ring 53 provides a stable connection interface to ensure reliable transmission of force and rotation between the rotating shaft assembly 5 and the rotor. The bearing 52 is arranged in the rotating connecting ring 53 to provide support and guide functions for the rotating shaft assembly 5. The bearing 52 can reduce the friction and wear of the rotating shaft assembly 5 during the rotation process, and improve the rotation efficiency and life of the rotor. One end of the rotating shaft 51 is connected to the fixed shaft 21 through a thread, and the other end is rotatably connected to the bearing 52. This design allows the rotating shaft 51 to rotate flexibly and adjust the position and angle of the rotor as needed. The flexibility of the rotating shaft helps to adapt to different working conditions and requirements, and improve the operating efficiency and flexibility of the motor water pump.

[0047] The inner side of the impeller 6 is provided with a connecting cavity 61, and the connecting cavity 61 is provided with a positioning pin 62. The rotor connector 42 is provided with a connecting platform 422, one end of the connecting platform 422 is connected to the connecting cavity 61, and the connecting platform 422 is provided with a positioning hole 423, and the positioning hole 423 is used to cooperate with the positioning pin 62. In this embodiment, a stable connection between the impeller 6 and the rotor connector 42 can be achieved through the connection between the connecting platform 422 and the connecting cavity 61, and the cooperation between the positioning hole 423 and the positioning pin 62. This connection method can ensure that the impeller 6 will not loosen or fall off when rotating at high speed, thereby improving the reliability and safety of the entire motor water pump.

[0048] A water pump includes a motor, the water pump is provided with a drain port 7, one end of the drain port 7 is connected to a placement cavity 11, and the liquid inlet 12 is used to introduce liquid, and transport it toward the drain port 7 under the action of an impeller 6. The water pump using the high-speed motor brings water in from the liquid inlet 12 through the impeller 6, and then brings water out from the drain port 7, forming a high-speed water pump. During the high-speed water transportation process, the high-speed motor completes rapid water supply, and the motor is also cooled through the circulating waterway.

[0049] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A motor, characterized in that: include A housing, wherein the housing is provided with a placement cavity, one end of the housing is provided with a liquid inlet, and one end of the liquid inlet is connected to the placement cavity; A fixed bracket, the fixed bracket is arranged in the placement cavity, and a fixed shaft is arranged in the center of the fixed bracket; A stator assembly, the stator assembly comprising a stator bracket mounted on a fixed bracket, a stator compartment formed between the stator bracket and the outer periphery of the fixed shaft, a stator coil being installed in the stator compartment; a sealing connection ring is provided at one end of the stator bracket, and the sealing connection ring is sealed and connected to one end of the fixed shaft; A rotor assembly, the rotor assembly comprising a rotor housing, a rotor connector and a rotor magnet tile, the rotor magnet tile being mounted on the inner diameter of the rotor housing and facing the stator coil, and one end of the rotor connector being fixedly connected to the rotor housing; A rotating shaft assembly, one end of which is fixedly connected to the fixed shaft and the other end of which is rotatably connected to the rotor connecting member; as well as An impeller, one end of which is connected to the rotor connector and rotates with the rotor connector, and the impeller faces the liquid inlet; A first gap is provided between the outer periphery of the impeller and the accommodation cavity, a second gap is provided between the rotor housing and the accommodation cavity, a third gap is provided between the inner diameter of the rotor magnetic shoe and the stator bracket, and a flow water channel is provided on the inner side of the rotor connecting piece; one end of the first gap is connected to the liquid inlet, and the first gap, the second gap, the third gap and the flow water channel are connected in sequence to form a circulating water channel.

2. The motor according to claim 1, characterized in that: An end cover is provided at one end of the shell, and the end cover is installed at one end of the shell to close one end of the placement cavity. The end cover is provided with a flow cavity, and the impeller is arranged in the flow cavity.

3. The motor according to claim 1, characterized in that: A connection port is provided on one side of the fixed bracket, a connection pipe is provided on the connection port, a control placement groove is provided on one side of the connection port, a control board is installed on the control placement groove close to the stator bracket, and the connection pipe is used for the control board wiring to extend out.

4. The motor according to claim 3, characterized in that: The stator bracket is provided with a pressing platform, and the pressing platform is used to press and fix the control board on the control placement groove.

5. The motor according to claim 1, characterized in that: A heat dissipation hole is arranged at the center of the fixed shaft, and the heat dissipation hole is used for dissipating heat of the stator coil.

6. The motor according to claim 1, characterized in that: The rotor connecting piece is provided with a matching step, one end of which abuts against the rotor housing, and the other end of which abuts against the magnetic ring.

7. The motor according to claim 1, characterized in that: The rotating shaft assembly comprises a rotating shaft, a bearing and a rotating connecting ring. The rotating connecting ring is arranged in a rotor connecting member, and the bearing is arranged in the rotating connecting ring.

8. The motor according to claim 7, characterized in that: One end of the rotating shaft is connected to the fixed shaft through a thread, and the other end is rotatably connected to the bearing.

9. The motor according to claim 1, characterized in that: A connecting cavity is provided on the inner side of the impeller, a positioning pin is provided on the connecting cavity, a connecting platform is provided on the rotor connecting piece, one end of the connecting platform is connected to the connecting cavity, a positioning hole is provided on the connecting platform, and the positioning hole is used to cooperate with the positioning pin.

10. A water pump, characterized in that: The water pump comprises a motor as claimed in any one of claims 1 to 9, wherein the water pump is provided with a drain outlet, one end of the drain outlet is connected to the placement cavity, and the liquid inlet is used to introduce liquid and transport it toward the drain outlet under the action of the impeller.

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