Permanent magnet synchronous pump of full-automatic washing machine
By adopting a clamped and fixed motor connection method and magnetic induction drive technology in the washing machine drain pump, the problems of motor demagnetization and inconvenient disassembly in the existing technology are solved, and the user's own repair and reduction of maintenance costs are achieved.
Patent Information
- Application Number
- CN202421052112.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-05-15
AI Technical Summary
The motor of the existing washing machine drain pump is fixedly connected to the pump body, and it is prone to demagnetization after long-term use, resulting in the pump not working normally, and it is inconvenient to disassemble and assemble, so that users cannot repair it by themselves.
The motor is connected to the pump body by means of clamping and fixing, and the rotor and the wheel are driven by magnetic induction. Users can disassemble and replace the motor by themselves, simplifying the maintenance process.
It realizes rapid disassembly and assembly and replacement of the motor, reduces user maintenance costs, and improves the reliability and service life of the drainage pump.
Smart Images

Figure CN222541103U_ABST
Abstract
Description
Technical Field
[0001] The utility model specifically relates to the technical field of drainage pumps, in particular to a permanent magnet synchronous pump for a full-automatic washing machine. Background Art
[0002] A washing machine is a cleaning appliance that uses electrical energy to generate mechanical action to wash clothes. It can be divided into top-drain and bottom-drain types according to its drainage method. The drainage of a top-drain washing machine needs to be achieved by a drainage pump.
[0003] Chinese Patent Publication No. CN202671900U A water pump, specifically for a drainage pump of a washing machine. The drainage pump of a washing machine includes a pump body and a motor. A drainage channel and a circulating water channel are connected to the pump body. The motor is connected to the rear side of the pump body. The pump body is connected to a cavity, and the cavity has a water inlet channel. The utility model is connected to the pump body by setting a drainage channel and a circulating water channel.
[0004] The motor in the washing machine drain pump in the above patent is fixedly connected to the pump body. After long-term use, the motor will lose magnetism and fail to drive the rotor to rotate. At this time, the dial will not be able to drain the water. A buzzing sound will also be generated. The motor is not convenient to disassemble and assemble. Users cannot disassemble and replace it by themselves. Utility Model Content
[0005] The purpose of the utility model is to provide a permanent magnet synchronous pump for a fully automatic washing machine, wherein the motor is connected to the pump body by a clamping and fixing method, and the internal rotor and the dial are driven by magnetic induction to discharge the water inside the washing machine; when the motor is damaged, the user can disassemble and replace it by himself, and the maintenance is very convenient; the maintenance cost of the user is greatly reduced, so as to solve the technical problems raised in the above background technology.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A permanent magnet synchronous pump for a fully automatic washing machine, comprising
[0008] A main body shell, the main body shell having a water outlet and a water inlet, wherein the axis of the water outlet is perpendicular to the axis of the water inlet;
[0009] A mounting seat, the mounting seat for mounting the outer cylinder is fixed at one end of the main body shell;
[0010] A rotor paddle wheel is rotatably connected inside the outer cylinder; a motor is arranged outside the outer cylinder; and a filter valve is mounted on one end of the main shell away from the mounting seat.
[0011] As a further technical solution of the utility model, a plurality of studs are integrally provided on the inner side of one end of the main shell mounting mounting seat, and are fixedly connected to the mounting seat by screws.
[0012] As a further technical solution of the utility model, the inner side of the main body shell away from the mounting seat is provided with an internal thread; the filter valve is provided with an external thread and is threadedly connected to the main body shell;
[0013] The four corners of one end of the mounting seat provided with internal threads are provided with mounting holes for easy connection with the washing machine.
[0014] As a further technical solution of the utility model, the mounting seat has a C-shaped cavity for facilitating the installation of the outer cylinder; the outer portion of the outer cylinder has a plurality of fins in a 180-degree annular array that are engaged with the C-shaped cavity;
[0015] A C-shaped holder is also provided on the outside of the C-shaped cavity, and buckles are provided on both sides of the C-shaped holder for facilitating the clamping and fixing of the motor.
[0016] As a further technical solution of the present invention, the rotor pulley includes a impeller, which is fixed at one end of the rotating shaft; one end of the rotating shaft connected to the impeller passes through the inner side of the mounting seat and is rotatably connected; and the other end of the rotating shaft is rotatably connected to the outer cylinder through a bearing; and a rotor is also fixed to the outside of the rotating shaft.
[0017] As a further technical solution of the utility model, the filter valve includes a screw cover with external threads, and the screw cover is connected to a filter cap through multiple brackets; the filter cap extends to the inside of the main shell and is located between the water outlet and the water inlet.
[0018] Compared with the prior art, the beneficial effects of the utility model are:
[0019] 1. In the utility model, the fins arranged outside the outer cylinder can be fixed with the C-shaped cavity, so that the outer cylinder and the mounting seat can be fixed and installed quickly;
[0020] 2. The utility model adopts the C-shaped cavity to achieve the close connection between the motor and the outer drum, which is convenient for driving the rotor dial; the buckle is convenient for quick disassembly and installation of the motor; when the motor has problems, the washing machine user can directly disassemble and replace it by himself, which greatly reduces the maintenance cost;
[0021] 3. The utility model can filter water during drainage through the filter cap, intercept and filter cotton wool and hair carried in the water, and avoid entanglement on the impeller and causing malfunction; the filter valve can be rotated to pull it out of the main body shell to clean the intercepted debris; the structure is simple and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.
[0023] Figure 2 This utility model Figure 1 The structural diagram on the right side of .
[0024] Figure 3 This utility model Figure 1 Schematic diagram of the rear structure.
[0025] Figure 4 This utility model Figure 1 main view.
[0026] Figure 5 This utility model Figure 4 AA section view.
[0027] Figure 6 This utility model Figure 1 Schematic diagram of the split structure.
[0028] Figure 7 This utility model Figure 6 Schematic diagram from another perspective.
[0029] Figure 8 It is a structural schematic diagram of the mounting seat in the utility model.
[0030] Fig. 9 It is a structural schematic diagram of the rotor dial wheel in the utility model.
[0031] Fig.10 It is a structural schematic diagram of the filter valve of the utility model.
[0032] In the figure: 1-main body shell, 2-water outlet, 3-water inlet, 4-filter valve, 5-mounting seat, 6-rotor dial, 7-outer cylinder, 8-motor, 9-clip, 10-C-shaped cavity, 11-pulsator, 12-rotor, 13-rotating shaft, 14-screw cover, 15-bracket, 16-filter cap. DETAILED DESCRIPTION
[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0034] See also Figure 1-10 In the embodiment of the utility model, a permanent magnet synchronous pump for a fully automatic washing machine includes a main body shell 1, the main body shell 1 has a water outlet 2 and a water inlet 3, and the axis of the water outlet 2 is perpendicular to the axis of the water inlet 3; a mounting seat 5, the mounting seat 5 for mounting an outer drum 7 is fixed at one end of the main body shell 1;
[0035] A rotor paddle wheel 6 is rotatably connected inside the outer cylinder 7 ; a motor 8 is arranged outside the outer cylinder 7 ; and a filter valve 4 is mounted on one end of the main housing 1 away from the mounting seat 5 .
[0036] Specifically, the motor 8 is a PX2025-3 permanent magnet synchronous motor.
[0037] By adopting the above technical solution, when in use, the motor 8 will generate electromagnetic energy to drive the rotor dial 6 to rotate, and the water in the washing machine drum will enter the main body shell 1 through the water inlet 3. Driven by the rotation of the rotor dial 6, the water will be discharged through the water outlet 2.
[0038] In this embodiment, a plurality of studs are integrally provided on the inner side of one end of the main housing 1 for mounting the mounting seat 5, and are fixedly connected to the mounting seat 5 by screws.
[0039] By adopting the above technical solution, the main housing 1 can be separated from the mounting base 5 by simply removing the screws around the mounting base 5 , thereby facilitating cleaning of stains on the rotor paddle wheel 6 .
[0040] In this embodiment, the inner side of the main housing 1 away from the mounting seat 5 is provided with an internal thread; the filter valve 4 is provided with an external thread and is threadedly connected to the main housing 1;
[0041] The four corners of one end of the mounting seat 5 provided with internal threads are provided with mounting holes for easy connection with the washing machine.
[0042] In this embodiment, the mounting seat 5 has a C-shaped cavity 10 for facilitating the installation of the outer cylinder 7; the outer portion of the outer cylinder 7 has a plurality of fins in a 180-degree annular array that are snap-fitted with the C-shaped cavity 10;
[0043] A C-shaped holder is also provided on the outside of the C-shaped cavity 10 , and buckles 9 are provided on both sides of the C-shaped holder for facilitating the clamping and fixing of the motor 8 .
[0044] By adopting the above technical solution, the fins arranged outside the outer tube 7 can be clamped and fixed with the C-shaped cavity 10, so that the outer tube 7 and the mounting seat 5 can be quickly fixed and installed.
[0045] The setting of the C-shaped cavity 10 realizes the close connection between the motor 8 and the outer drum 7, which is convenient for driving the rotor dial 6; the setting of the buckle 9 facilitates the quick disassembly and installation of the motor 8; when the motor 8 has a problem, the washing machine user can directly disassemble and replace it by himself, which greatly reduces the maintenance cost.
[0046] In this embodiment, the rotor pulley 6 includes a impeller 11, which is fixed at one end of a rotating shaft 13; one end of the rotating shaft 13 connected to the impeller 11 passes through the inner side of the mounting seat 5 and is rotatably connected; and the other end of the rotating shaft 13 is rotatably connected to the outer cylinder 7 through a bearing; a rotor 12 is also fixed to the outside of the rotating shaft 13.
[0047] By adopting the above technical solution, the electromagnetic force generated by the motor 8 drives the rotor 12 installed on the rotating shaft 13 to rotate; the impeller 11 can discharge the water in the main housing 1.
[0048] In this embodiment, the filter valve 4 includes a screw cap 14 with external threads, and the screw cap 14 is connected to a filter cap 16 via a plurality of brackets 15 ; the filter cap 16 extends to the inside of the main housing 1 and is located between the water outlet 2 and the water inlet 3 .
[0049] By adopting the above technical solution, the filter cap 16 can be used to filter during drainage, and cotton wool, hair, etc. carried in the water can be intercepted and filtered to avoid being entangled in the impeller 11 and causing it to malfunction. The filter valve 4 can be rotated to pull it out of the main housing 1 to clean the intercepted debris. The structure is simple and easy to operate.
[0050] The working principle of the utility model is as follows: when in use, the electromagnetic generated by the motor 8 drives the rotor 12 installed on the rotating shaft 13 to rotate; the water in the drum of the washing machine enters the main housing 1 through the water inlet 3, and driven by the rotation of the rotor dial 6, the impeller 11 can discharge the water in the main housing 1 through the water outlet 2. When draining water, the cotton wool and hair carried in the water can be intercepted and filtered through the filter cap 16 to prevent them from being entangled in the impeller 11 and causing it to malfunction; the filter valve 4 is rotated to pull it out of the main housing 1, so as to clean the intercepted debris; the structure is simple and easy to operate;
[0051] The main housing 1 is fixedly connected to the mounting base 5 by screws; the main housing 1 can be separated from the mounting base 5 by removing the screws around the mounting base 5, thereby making it easy to clean the stains on the rotor dial 6.
[0052] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0053] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A permanent magnet synchronous pump for a fully automatic washing machine, characterized in that: include A main body shell (1), the main body shell (1) having a water outlet (2) and a water inlet (3), and the axis of the water outlet (2) is perpendicular to the axis of the water inlet (3); A mounting seat (5), the mounting seat (5) used for mounting the outer cylinder (7) is fixed to one end of the main body shell (1); A rotor wheel (6) is rotatably connected inside the outer cylinder (7); an electric motor (8) is provided on the outer side of the outer cylinder (7); a filter valve (4) is mounted on one end of the main housing (1) away from the mounting seat (5); The mounting seat (5) is provided with a C-shaped cavity (10) for facilitating the installation of the outer cylinder (7); the outer portion of the outer cylinder (7) is provided with a plurality of fins in a 180-degree annular array for clamping with the C-shaped cavity (10); A C-shaped holder is also provided on the outside of the C-shaped cavity (10), and buckles (9) are provided on both sides of the C-shaped holder for facilitating the clamping and fixing of the motor (8).
2. The permanent magnet synchronous pump for a fully automatic washing machine according to claim 1, characterized in that: The main body shell (1) is installed on the inner side of one end of the mounting seat (5), and is integrally provided with a plurality of studs, which are fixedly connected to the mounting seat (5) by screws.
3. The permanent magnet synchronous pump for a fully automatic washing machine according to claim 1, characterized in that: The main housing (1) is provided with an internal thread on the inner side of one end away from the mounting seat (5); the filter valve (4) is provided with an external thread and is threadedly connected to the main housing (1); The four corners of one end of the mounting seat (5) provided with an internal thread are provided with mounting holes for easy connection with a washing machine.
4. The permanent magnet synchronous pump for a fully automatic washing machine according to claim 1, characterized in that: The rotor dial (6) includes a pulsator (11), which is fixed to one end of a rotating shaft (13); one end of the rotating shaft (13) is connected to the pulsator (11), passes through the inner side of the mounting seat (5), and is rotatably connected; and the other end of the rotating shaft (13) is rotatably connected to the outer cylinder (7) through a bearing; and a rotor (12) is also fixed to the outside of the rotating shaft (13).
5. The permanent magnet synchronous pump for a fully automatic washing machine according to claim 1, characterized in that: The filter valve (4) comprises a screw cap (14) having an external thread, and the screw cap (14) is connected to a filter cap (16) via a plurality of brackets (15); the filter cap (16) extends into the interior of the main housing (1) and is located between the water outlet (2) and the water inlet (3).
Citation Information
Patent Citations
Draining pump for washing machine
CN202671900U