Washing pump

Abstract

The utility model discloses a washing pump which comprises a washing pump shell, an impeller, a waterproof sleeve and a high-voltage direct-current brushless motor are sequentially arranged in the washing pump shell, the output end of the high-voltage direct-current brushless motor is connected with the impeller, a water inlet and a water outlet are formed in the washing pump shell, and the high-voltage direct-current brushless motor comprises a stator assembly and a rotor assembly. The impeller is connected with the rotor assemblies, winding terminals are arranged at the ends, away from the washing pump shell, of the stator assemblies and used for winding wires, the rotor assemblies penetrate through the through grooves to be arranged in the mounting grooves, first through holes are formed between the stator assemblies, the waterproof sleeve inserting part is inserted into the first through holes, and inserting columns are arranged on the outer side of the lower end of the waterproof sleeve body part. The stator assembly is provided with an insertion hole for insertion of the insertion column. The high-voltage direct-current brushless motor is arranged in the washing pump shell, so that the washing pump is high in efficiency and low in noise, and stepless speed regulation is achieved; and the stator assembly and the rotor assembly can be better protected by arranging the waterproof sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of washing pumps, in particular to a washing pump. Background Art

[0002] Current washing appliances, such as dishwashers, have a washing pump that includes a motor and an impeller. The motor drives the impeller to rotate so that liquids such as water and detergents are discharged from the water outlet to complete washing. The washing pump of some dishwashers is also provided with a washing pump housing to heat the incoming water to more conveniently rinse the grease on the dishes.

[0003] Nowadays, most washing pumps use AC induction motors, but AC induction motors have low efficiency, high noise, and cannot achieve stepless speed regulation. Some washing pumps that use high-voltage DC brushless motors mostly use the piercing terminal method for winding. Using the piercing terminal method for winding can easily cause wire breakage or failure to pierce the insulation layer. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The technical problem to be solved by the utility model is to provide a washing pump with high efficiency, low noise and stepless speed regulation; and the problem of line breakage or failure to pierce the insulation layer will not occur.

[0006] (II) Technical solution

[0007] The solution adopted by the utility model to solve the above-mentioned technical problems is a washing pump, comprising a washing pump housing, in which an impeller, a water-blocking sleeve and a high-voltage DC brushless motor are arranged in sequence, the output end of the high-voltage DC brushless motor is connected to the impeller, the washing pump housing is provided with a water inlet and a water outlet, the high-voltage DC brushless motor comprises a stator assembly and a rotor assembly, the impeller is connected to the rotor assembly, the end of the stator assembly away from the water-blocking sleeve is provided with a winding terminal for winding electric wires, the water-blocking sleeve comprises a water-blocking sleeve main body part and a water-blocking sleeve insertion part arranged at the lower end of the water-blocking sleeve main body part and integrally arranged therewith, the water-blocking sleeve main body part is sleeved on the outside of the rotor assembly, and the water-blocking sleeve insertion part is inserted on the stator assembly; the water-blocking sleeve insertion part is provided with a mounting groove extending along the axis of the washing pump housing, and the top of the mounting groove extends toward the periphery to form the water-blocking sleeve main body part.

[0008] By adopting the above scheme, a high-voltage DC brushless motor is arranged in the washing pump housing, so that the washing pump has high efficiency and low noise, and can achieve stepless speed regulation; by setting winding terminals and winding the motor in a winding terminal manner, the problem of the washing pump motor breaking or being unable to pierce the insulation layer will not occur, thereby improving the service life of the washing pump, and the stator assembly and rotor assembly can be better protected by setting a water-proof sleeve.

[0009] The main body of the water-blocking sleeve is provided with a circumferential edge of the water-blocking sleeve; the washing pump housing is provided with a circumferential connecting portion; the circumferential edge and the circumferential connecting portion are matched and sealed to form a water-blocking area on the side of the water-blocking sleeve away from the impeller.

[0010] Preferably, a through slot connected to the mounting slot is provided on the main body of the water-blocking sleeve, the rotor assembly is arranged in the mounting slot through the through slot, a first through hole is provided between the stator assemblies, the insertion part of the water-blocking sleeve is inserted in the first through hole, a column is provided on the outer side of the lower end of the main body of the water-blocking sleeve, a socket for inserting the column is provided on the stator assembly, and the column is inserted in the socket to connect the stator assembly with the water-blocking sleeve.

[0011] Preferably, the stator assembly is provided with a plurality of stator slots, three strands of electric wires are respectively wound in the corresponding stator slots and constitute A-phase electric wire, B-phase electric wire and C-phase electric wire respectively, the winding terminal comprises a three-phase terminal consisting of A-phase terminal, B-phase terminal and C-phase terminal and a common terminal, the ends of the A-phase electric wire, the B-phase electric wire and the C-phase electric wire are all wound around the common terminal, and the tails of the A-phase electric wire, the B-phase electric wire and the C-phase electric wire are respectively wound around the A-phase terminal, the B-phase terminal and the C-phase terminal.

[0012] As a further preference, the wire diameter of the enameled wire of the high-voltage brushless DC motor is 0.2 mm.

[0013] Preferably, a rear cover is sleeved on one end of the stator assembly away from the rotor assembly; and a pump cover is sleeved on one end of the stator assembly close to the rotor assembly.

[0014] As a further preference, a pump cover is sleeved on the rotor assembly, and the pump cover is arranged in the through groove.

[0015] As a further preference, the stator assembly includes a machine base and a stator core group, the machine base is provided with a second through hole, the stator core group is arranged in the second through hole of the machine base, the stator core group is provided with the stator slot, and the three-phase terminal and the common terminal are provided at one end of the machine base away from the washing pump housing.

[0016] As a further preference, the rotor assembly includes an armature core and a rotating shaft, the armature core is arranged in the middle of the stator core group, the rotating shaft is inserted into the armature core, and the rotating shaft is connected to the impeller.

[0017] As a further preference, a graphite bearing is sleeved at the connection between the rotating shaft and the pump cover, and the end of the rotating shaft away from the washing pump housing is also sleeved with the graphite bearing.

[0018] As a further preference, the armature core passes through the through slot and is arranged in the installation slot, a first through hole is arranged between the stator core groups, a plug hole for inserting the plug post is opened on the machine base, and the plug post is inserted in the plug hole to connect the machine base with the water-proof sleeve.

[0019] As a further preference, an installation cavity is provided on the main part of the water-blocking sleeve, located outside the through groove; a clamping block is provided on the edge ridge of the water-blocking sleeve main part, located on the upper end of the main part of the water-blocking sleeve, located outside the installation cavity; a limiting hole is provided on the inner wall of the installation cavity; the clamping block cooperates with the limiting hole to form an installation area; a matching block is provided on the outer peripheral wall of the washing pump housing; a makeshift hole for facilitating the installation of the washing pump housing is also provided on the main part of the water-blocking sleeve; the washing pump housing is arranged in the installation cavity, and the installation area is positioned in cooperation with the matching block.

[0020] (III) Beneficial effects

[0021] Compared with the prior art, the utility model designs a washing pump, which has the following beneficial effects:

[0022] (1) By arranging a high-voltage DC brushless motor in the washing pump housing, a specific wire diameter and corresponding winding terminals are used to improve the efficiency of the washing pump motor, reduce noise during operation, and realize stepless speed regulation to change the water discharge speed of the washing pump;

[0023] (2) By providing a winding terminal and winding the motor in a winding terminal manner, there will be no problem of disconnection of the washing pump motor or failure to pierce the insulation layer, thereby increasing the service life of the washing pump;

[0024] (3) A specific waterproof sleeve structure and connection method are used to improve the sealing performance of the high-voltage DC brushless motor and at the same time improve the performance of the high-voltage DC brushless motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 It is a structural schematic diagram of the washing pump of the utility model;

[0027] Figure 2 It is a schematic diagram of the explosion structure of the washing pump of the utility model;

[0028] Figure 3 This is a schematic diagram of the first structure of the stator assembly and the rotor assembly of the washing pump of the utility model;

[0029] Figure 4 This is a second structural schematic diagram of the stator assembly and the rotor assembly of the washing pump of the utility model;

[0030] Figure 5 It is a schematic diagram of the structure of the washing pump of the utility model with a pump cover and a high-voltage DC brushless motor cooperating with an end cover;

[0031] Figure 6 It is a first structural schematic diagram of the cooperation between the high-voltage DC brushless motor and the water-blocking sleeve of the washing pump of the utility model;

[0032] Figure 7 It is a second structural schematic diagram of the cooperation between the high-voltage DC brushless motor and the water-blocking sleeve of the washing pump of the utility model;

[0033] Figure 8 It is a schematic diagram of the explosion structure of the high-voltage brushless DC motor and the water-blocking sleeve of the washing pump of the utility model;

[0034] Fig. 9 It is a schematic diagram of the structure of the washing pump housing and the water-blocking sleeve of the washing pump of the utility model;

[0035] Fig.10 for Fig. 9 Schematic diagram of the enlarged structure at A.

[0036] The names of the components corresponding to the various figure marks in the figure are: 1. High-voltage DC brushless motor; 11. Stator assembly; 111. Base; 112. Stator core group; 113. First through hole; 114. Plug hole; 12. Rotor assembly; 121. Armature core; 122. Rotating shaft; 13. Phase A terminal; 14. Phase B terminal; 15. Phase C terminal; 16. Common terminal; 17. Stator slot; 2. Impeller; 3. Washing pump housing; 31. Water inlet; 32. Water outlet; 33. Matching block; 4. Back cover; 5. Pump cover; 6. Waterproof sleeve; 61. Waterproof sleeve main part; 62. Waterproof sleeve insertion part; 63. Through groove; 64. Mounting groove; 65. Mounting cavity; 66. Block; 67. Mounting area; 68. Make way hole; 69. Plug column; 7. Graphite bearing. DETAILED DESCRIPTION

[0037] The present application is described in detail below with reference to the accompanying drawings and specific embodiments.

[0038] The following describes the implementation methods of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific implementation methods, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the following embodiments and the features in the embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work belong to the scope of protection of the present application.

[0039] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present application, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspect described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0040] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The drawings only show components related to the present application rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0041] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the examples can be practiced without these specific details.

[0042] The technical solutions provided by various embodiments of the present application are described below in conjunction with the accompanying drawings.

[0043] This embodiment:

[0044] like Figure 1-Figure 10 As shown, a washing pump of the present embodiment comprises a washing pump housing 3, in which an impeller 2, a water blocking sleeve 6 and a high-voltage DC brushless motor 1 are sequentially arranged, the output end of the high-voltage DC brushless motor 1 is connected to the impeller 2, the washing pump housing 3 is provided with a water inlet 31 and a water outlet 32, the high-voltage DC brushless motor 1 comprises a stator assembly 11 and a rotor assembly 12, the impeller 2 is connected to the rotor assembly 12, and the end of the stator assembly 11 away from the water blocking sleeve 6 is provided with a winding end The water-blocking sleeve 6 is used for winding electric wires, and the water-blocking sleeve 6 includes a water-blocking sleeve main body part 61 and a water-blocking sleeve insertion part 62 which is arranged at the lower end of the water-blocking sleeve main body part 61 and is integrally arranged therewith. The water-blocking sleeve main body part 61 is sleeved on the outer side of the rotor assembly 12, and the water-blocking sleeve insertion part 62 is inserted on the stator assembly 11; the water-blocking sleeve insertion part 62 is provided with a mounting groove 64 extending along the axis of the washing pump housing 3, and the top of the mounting groove 64 extends toward the periphery to form the water-blocking sleeve main body part 61. The waterproof sleeve main body 61 is provided with a through slot 63 connected to the installation slot 64, the rotor assembly 12 is arranged in the installation slot 64 through the through slot 63, a first through hole 113 is provided between the stator assembly 11, the waterproof sleeve insertion part 62 is inserted in the first through hole 113, a plug column 69 is provided on the outer side of the lower end of the waterproof sleeve main body 61, and a plug hole 114 for inserting the plug column 69 is provided on the stator assembly 11, and the plug column 69 is inserted in the plug hole 114 to connect the stator assembly 11 with the waterproof sleeve 6.

[0045] The watertight sleeve main body 61 is provided with a circumferential edge of the watertight sleeve 6; the washing pump housing 3 is provided with a circumferential connecting portion; the circumferential edge is matched and sealed with the circumferential connecting portion, so that a watertight zone is formed on the side of the watertight sleeve 6 away from the impeller 2.

[0046] Further, as a preferred embodiment, the stator assembly 11 is provided with a plurality of stator slots 17, three strands of wire are respectively wound in the corresponding stator slots 17 and respectively form an A-phase wire, a B-phase wire and a C-phase wire, the winding terminal comprises a three-phase terminal consisting of an A-phase terminal 13, a B-phase terminal 14 and a C-phase terminal 15 and a common terminal 16, the ends of the A-phase wire, the B-phase wire and the C-phase wire are all wound on the common terminal 16, and the tails of the A-phase wire, the B-phase wire and the C-phase wire are respectively wound on the A-phase terminal 13, the B-phase terminal 14 and the C-phase terminal 15. The wire diameter of the enameled wire of the high-voltage brushless DC motor 1 is 0.2 mm.

[0047] Specifically, in the present embodiment, the washing pump housing 3 is buckled on one end of the high-voltage DC brushless motor 1, and a water inlet 31 and a water outlet 32 ​​are provided on the washing pump housing 3. The water inlet 31 is connected to the outside for pressing water into the washing pump through the high-voltage DC brushless motor 1. A heating component is arranged in the washing pump housing 3. The specific arrangement of the heating component is the prior art, and the structure recorded in the patent document 202022440340.X can be adopted, for example; the heating component includes a flange, a heating tube, a terminal seat and a thermostat. The flange is connected to the open end of the washing pump housing 3 and the opening is sealed. A water inlet hole is provided on the flange. The heating tube is ring-shaped and two mounting heads extend from both ends. The mounting head is connected to the flange and extends from the upper surface of the flange. The ring-shaped part is located below the flange and one end abuts against the lower surface of the flange. The terminal seat is arranged on the flange and the thermostat is pressed on the flange, and the thermostat is located at the abutment between the ring-shaped part and the flange. When the heating tube is connected to the power supply, the input terminal of the heating tube power supply can be connected by inserting the terminal seat, or the terminal can be directly inserted into the temperature controller. The heating component is used to heat the water sucked into the washing pump, and after cyclic heating, it is discharged from the water outlet 32 ​​through the high-voltage DC brushless motor 1; the high-voltage DC brushless motor 1 includes a stator component 11 and a rotor component 12. The end of the rotor component 12 close to the washing pump housing 3 is connected to the impeller 2, and the rotation of the rotor component 12 drives the impeller 2 to rotate together; the end of the stator component 11 away from the washing pump housing 3 is provided with a winding terminal for winding wires; the stator component 11 is provided with nine stator slots 17, with a total of three strands The three wires are respectively wound in the corresponding three stator slots 17 and constitute the A-phase wire, the B-phase wire and the C-phase wire respectively. After winding, the three wires have ends and tails. The winding terminals include a three-phase terminal composed of an A-phase terminal 13, a B-phase terminal 14 and a C-phase terminal 15 and a common terminal 16. The ends of the A-phase wire, the B-phase wire and the C-phase wire are all wound on the common terminal 16, and the tails of the A-phase wire, the B-phase wire and the C-phase wire are respectively wound on the A-phase terminal 13, the B-phase terminal 14 and the C-phase terminal 15.

[0048] Specifically, in this embodiment, by arranging a high-voltage DC brushless motor 1 in the washing pump housing 3, the washing pump has high efficiency and low noise, and can achieve stepless speed regulation; by arranging a winding terminal and winding the motor in a winding terminal manner, the problem of the washing pump motor breaking or being unable to pierce the insulation layer will not occur, thereby improving the service life of the washing pump.

[0049] Further, as a preferred embodiment, it further comprises a rear cover 4 and a pump cover 5, and the rear cover 4 is sleeved on one end of the stator assembly 11 away from the rotor assembly 12. The pump cover 5 is sleeved on the rotor assembly 12, and the pump cover 5 is arranged in the through groove 63. Specifically, in this embodiment, the rear cover 4 is used to seal and protect the stator assembly 11, and the pump cover 5 is used to seal and protect the rotor assembly 12.

[0050] Further, as a preferred embodiment, the stator assembly 11 includes a base 111 and a stator core group 112, the base 111 is provided with a second through hole, the stator core group 112 is arranged in the second through hole of the base 111, the stator core group 112 is provided with the stator slot 17, and the three-phase terminal and the common terminal 16 are provided at one end of the base 111 away from the washing pump housing 3.

[0051] Furthermore, as a preferred embodiment, the rotor assembly 12 includes an armature core 121 and a rotating shaft 122 , the armature core 121 is disposed in the middle of the stator core group, the rotating shaft 122 is inserted into the armature core 121 , and the rotating shaft 122 is connected to the impeller 2 .

[0052] Furthermore, as a preferred embodiment, a graphite bearing 7 is sleeved on the connection between the rotating shaft 122 and the pump cover 5 , and the graphite bearing 7 is also sleeved on the end of the rotating shaft 122 away from the washing pump housing 3 .

[0053] Furthermore, as a preferred embodiment, the armature core 121 passes through the through slot 63 and is arranged in the installation slot 64, a first through hole 113 is provided between the stator core group 112, and a plug hole 114 for inserting the plug column 69 is opened on the machine base 111, and the plug column 69 is inserted in the plug hole 114 to connect the machine base with the watertight sleeve 6.

[0054] Further, as a preferred embodiment, an installation cavity 65 is provided on the main body part 61 of the water-blocking sleeve, which is located on the outside of the through groove 63; a clamping block 66 is provided on the edge ridge of the main body part 61 of the water-blocking sleeve, which is located on the outside of the installation cavity 65; a limiting hole is provided on the inner side wall of the installation cavity 65; the clamping block 66 cooperates with the limiting hole to form an installation area 67; a matching block 33 is provided on the outer peripheral wall of the washing pump housing 3; a makeshift hole 68 for facilitating the installation of the washing pump housing 3 is also provided on the main body part 61 of the water-blocking sleeve, and the washing pump housing 3 is arranged in the installation cavity 65, and the installation area 67 cooperates with the matching block 33 for positioning.

[0055] Specifically, in this embodiment, the stator core group 112 and the armature core 121 are both prior arts, which will not be described in detail here; the heat insulation sleeve includes a water-insulating sleeve main body part 61 arranged in a cylindrical shape and a water-insulating sleeve inserting part 62 arranged in a cylindrical shape and arranged on the water-insulating sleeve main body part 61 and integrally arranged therewith, a through groove 63 is provided in the middle position of the water-insulating sleeve main body part 61, and an installation cavity 65 is also provided on the water-insulating sleeve main body part 61 located on the outer side of the through groove 63, and an installation groove 64 connected to the through groove 63 is provided on the water-insulating sleeve inserting part 62, and the armature core 121 of the rotor assembly 12 is arranged in the installation groove 64. The rotating shaft 122 connected thereto is partially located in the mounting groove 64 and partially extends out of the through groove 63. The pump cover 5 is arranged in the through groove 63 for sealing the rotor assembly 12. The armature core 121 passes through the through groove 63 and is arranged in the mounting groove 64. A first through hole 113 is arranged between the stator core groups 112. The watertight sleeve insertion part 62 is inserted in the first through hole 113. The lower end of the watertight sleeve main body 61 is located on the outside of the watertight sleeve insertion part 62 and is provided with a plug column 69. A plug hole 114 for plugging the plug column 69 is opened on the machine base 111. The plug column 69 is inserted in the plug hole 114 to connect the machine base 111 with the watertight sleeve 6. The upper end of the water-blocking sleeve main body 61 is located outside the installation cavity 65. A clamping block 66 is provided on the edge of the water-blocking sleeve main body 61. A limiting hole is provided on the inner side wall of the installation cavity 65. The clamping block 66 cooperates with the limiting hole to form an installation area 67. A matching block 33 is provided on the outer peripheral wall of the washing pump housing 3. The water-blocking sleeve main body 61 is also provided with a clearance hole 68 for facilitating the installation of the washing pump housing 3. The washing pump housing 3 is arranged in the installation cavity 65, and the installation area 67 cooperates with the matching block 33 for positioning. The washing pump housing 3 is aligned with the clearance hole 68 of the installation cavity 65 and inserted into the installation cavity 65, and the washing pump housing 3 is rotated so that the installation area 67 cooperates with the matching block 33 to limit and fix it. When disassembly is required, the washing pump housing 3 is rotated so that the matching block 33 is separated from the installation area 67 and reaches the clearance hole 68 to be pulled out. The clearance hole 68 is used to facilitate the installation and disassembly of the washing pump housing 3 provided with the matching block 33.

[0056] The same and similar parts between the various embodiments in this specification can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0057] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A washing pump, characterized in that: The invention comprises a washing pump housing (3), wherein an impeller (2), a water-blocking sleeve (6) and a high-voltage DC brushless motor (1) are sequentially arranged in the washing pump housing (3), wherein an output end of the high-voltage DC brushless motor (1) is connected to the impeller (2), and a water inlet (31) and a water outlet (32) are provided on the washing pump housing (3). The high-voltage DC brushless motor (1) comprises a stator assembly (11) and a rotor assembly (12), wherein the impeller (2) is connected to the rotor assembly (12), and a winding terminal is provided at one end of the stator assembly (11) away from the water-blocking sleeve (6) for The waterproof sleeve (6) comprises a waterproof sleeve main body (61) and a waterproof sleeve insertion part (62) arranged at the lower end of the waterproof sleeve main body (61) and integrally arranged therewith, the waterproof sleeve main body (61) is sleeved on the outer side of the rotor assembly (12), and the waterproof sleeve insertion part (62) is inserted on the stator assembly (11); the waterproof sleeve insertion part (62) is provided with a mounting groove (64) extending along the axis of the washing pump housing (3), and the top of the mounting groove (64) extends toward the periphery to form the waterproof sleeve main body (61).

2. The washing pump according to claim 1, characterized in that: A through slot (63) connected to the mounting slot (64) is provided on the main body (61) of the water-blocking sleeve, the rotor assembly (12) passes through the through slot (63) and is arranged in the mounting slot (64), a first through hole (113) is provided between the stator assembly (11), the water-blocking sleeve insertion portion (62) is inserted in the first through hole (113), a plug post (69) is provided on the outer side of the lower end of the main body (61) of the water-blocking sleeve, and a plug hole (114) for inserting the plug post (69) is provided on the stator assembly (11), and the plug post (69) is inserted in the plug hole (114) to connect the stator assembly (11) with the water-blocking sleeve (6).

3. The washing pump according to claim 2, characterized in that: The stator assembly (11) is provided with a plurality of stator slots (17), three strands of electric wire are respectively wound in the corresponding stator slots (17) and respectively form an A-phase wire, a B-phase wire and a C-phase wire, the winding terminal comprises a three-phase terminal consisting of an A-phase terminal (13), a B-phase terminal (14) and a C-phase terminal (15) and a common terminal (16), the ends of the A-phase wire, the B-phase wire and the C-phase wire are all wound on the common terminal (16), and the tails of the A-phase wire, the B-phase wire and the C-phase wire are respectively wound on the A-phase terminal (13), the B-phase terminal (14) and the C-phase terminal (15).

4. The washing pump according to claim 3, characterized in that: The wire diameter of the enameled wire of the high-voltage brushless DC motor (1) is 0.2 mm.

5. The washing pump according to claim 3, characterized in that: A rear cover (4) is sleeved on one end of the stator assembly (11) away from the rotor assembly (12); a pump cover (5) is sleeved on the rotor assembly (12), and the pump cover (5) is arranged in the through groove (63).

6. The washing pump according to claim 5, characterized in that: The stator assembly (11) comprises a machine base (111) and a stator core group (112); a second through hole is provided on the machine base (111); the stator core group (112) is arranged in the second through hole of the machine base (111); the stator slot (17) is provided on the stator core group (112); and the three-phase terminal and the common terminal (16) are arranged at one end of the machine base (111) away from the washing pump housing (3).

7. The washing pump according to claim 6, characterized in that: The rotor assembly (12) comprises an armature core (121) and a rotating shaft (122); the armature core (121) is arranged in the middle of the stator core group (112); the rotating shaft (122) is inserted into the armature core (121), and the rotating shaft (122) is connected to the impeller (2).

8. The washing pump according to claim 7, characterized in that: A graphite bearing (7) is sleeved at the connection between the rotating shaft (122) and the pump cover (5), and the end of the rotating shaft (122) away from the washing pump housing (3) is also sleeved with the graphite bearing (7).

9. The washing pump according to claim 8, characterized in that: The armature core (121) passes through the through slot (63) and is arranged in the installation slot (64); a first through hole (113) is provided between the stator core groups (112); a plug hole (114) for inserting the plug post (69) is provided on the machine base (111); the plug post (69) is inserted into the plug hole (114) to connect the machine base (111) with the watertight sleeve (6).

10. The washing pump according to claim 9, characterized in that: The main body part (61) of the water-blocking sleeve is provided with an installation cavity (65) located outside the through groove (63); the upper end of the main body part (61) of the water-blocking sleeve is provided with a clamping block (66) on the edge of the main body part (61) of the water-blocking sleeve located outside the installation cavity (65); the inner wall of the installation cavity (65) is provided with a limiting hole; the clamping block (66) cooperates with the limiting hole to form an installation area (67); the outer peripheral wall of the washing pump housing (3) is provided with a matching block (33); the main body part (61) of the water-blocking sleeve is also provided with a clearance hole (68) for facilitating the installation of the washing pump housing (3); the washing pump housing (3) is arranged in the installation cavity (65), and the installation area (67) cooperates with the matching block (33) for positioning.

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