CN212543525U

CN212543525U - Water pump motor for dish washer

Info

Publication number: CN212543525U
Application number: CN202020763244.6U
Authority: CN
Inventors: 林楚辉
Original assignee: Jinba Intelligent Technology Co ltd
Current assignee: Jinba Intelligent Technology Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2021-02-12
Anticipated expiration: 2030-05-11

Abstract

The utility model relates to a water pump motor for dish washer, which comprises a main shell, a stator component, a waterproof sleeve, a rotor component and a pump shell, wherein the stator component is arranged in the main shell, the waterproof sleeve is composed of a cylindrical part and a circular ring part which are connected into a whole, the cylindrical part and the circular ring part form a T shape, the cylindrical part extends into the stator component, the center of the circular ring part is provided with a through hole, the rear end of the rotor component penetrates into the cylindrical part through the through hole, the main shell, the circular ring part and the pump shell pass through a mounting hole through a fastener to realize the fixed mounting into a whole, the stator component and the rotor component are separated by the waterproof sleeve, the stator component can not contact with water and can be effectively protected, the motor is horizontally installed and used, the center of the pump shell is provided with a water inlet pipeline, the bottom of the pump shell is provided with a, accomplish the motor and do not have water residue, pollute the tableware when avoiding using again, satisfy dish washer's sanitary demand.

Description

Water pump motor for dish washer

Technical Field

The utility model relates to a motor field, concretely relates to water pump motor for dish washer.

Background

Along with the improvement of living standard of people, the dish washing machine is more and more popular, the dish washing machine is a household appliance for automatically cleaning tableware, when the dish washing machine is used, dishes and other tableware are directly put into a dish washing cavity in advance for cleaning, water inlet and water discharge of the dish washing machine are realized through a water pump, the dish washing machine is generally small in size, the adopted water pump is a small water pump, a motor is arranged in the small water pump, fan blades are driven by the motor to rotate so as to generate power for driving water to enter and exit, for the motor, in order to protect stator components such as coils, circuit boards, stator chips and the like in the motor from being damaged by water entering due to the requirement of the use environment, a plurality of sealing rings are arranged in the motor for sealing, the plurality of sealing rings can obtain better sealing and water insulation effects, but the waterproof effect is not optimal, and the risk of water leakage exists, in addition, after the water pump supplies the drainage, there is residual water in the motor, and residual water time has been of a specified duration and has easily bred the bacterium, and residual water can pollute the tableware when dish washer washes dishes once more, is unfavorable for the tableware clean.

SUMMERY OF THE UTILITY MODEL

To the defect that prior art exists, the utility model provides a water pump motor for dish washer, concrete technical scheme is as follows:

the utility model provides a water pump motor for dish washer, which comprises a main shell, stator module, waterproof cover, rotor subassembly and pump case, main shell internally mounted stator module, waterproof cover comprises the cylindricality portion and the ring portion of connecting an organic whole, the cylindricality portion, the ring portion forms the T style of calligraphy, cylindricality portion periphery side is equipped with the location strip, the location strip has many to arrange around cylindricality portion center axle circumference, cylindricality portion stretches into in the stator module, ring portion center department is equipped with the through-hole, the rotor module rear end penetrates in the cylindricality portion through the through-hole, ring portion periphery side is equipped with the mounting hole, the mounting hole has a plurality of center axle circumference range around ring portion, main shell, ring portion, the pump case passes the mounting hole through the fastener and realizes that fixed mounting is integrative, waterproof cover separates stator module and rotor.

As the utility model discloses an optimal scheme, motor horizontal installation uses, and pump case center department is equipped with the inlet channel, and the pump case bottom is equipped with outlet conduit.

As the utility model discloses an optimal scheme, stator module includes fore-stock, after-poppet, stator chip, coil winding and circuit board, and during fore-stock, after-poppet cartridge were to stator chip's tooth's socket, coil winding fore-stock, after-poppet rear installation circuit board, stator chip were equipped with a plurality of stator tooth portions, and the location strip inserts between two adjacent stator tooth portions.

As a preferred scheme of the utility model, the rotor subassembly includes magnet, pivot, closure plate and flabellum, and the magnet suit is at the pivot rear, pivot the place ahead suit closure plate, flabellum, and closure plate, flabellum are located the cavity that ring portion and pump case are constituteed.

As an optimized proposal of the utility model, an O-shaped sealing ring is arranged between the circular ring part, the pump shell and the blocking plate.

The utility model has the advantages that: the waterproof jacket structure is unique to separate stator module and rotor subassembly mutually, stator module can not contact water and is effectively protected, and motor horizontal installation uses, pump case center department is equipped with the inlet channel, the pump case bottom is equipped with outlet conduit, after rotor subassembly stall, remaining water can be outside through outlet conduit discharge under self action of gravity in the motor, accomplish that the motor does not have water to remain, pollute the tableware when avoiding reuse, satisfy the sanitary demand of dish washer.

Drawings

Fig. 1 is an exploded view of the present invention;

fig. 2 is a perspective view of the waterproof case of the present invention;

fig. 3 is a cross-sectional view of the present invention;

FIG. 4 is a front view of the pump housing of the present invention;

figure 5 is a perspective view of the stator assembly of the present invention;

fig. 6 is a perspective view of the rotor assembly of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1 to 3, a water pump motor for a dish washer, including a main housing 1, a stator assembly 2, a waterproof jacket 3, a rotor assembly 4 and a pump housing 5, the stator assembly 2 is installed inside the main housing 1, the waterproof jacket 3 is composed of a cylindrical portion 31 and a circular portion 32 which are integrally connected, the cylindrical portion 31 and the circular portion 32 form a T shape, a positioning bar 31a is arranged on the outer periphery of the cylindrical portion 31, a plurality of positioning bars 31a are arranged around the central axis of the cylindrical portion 31 in a circumferential manner, the cylindrical portion 31 extends into the stator assembly 2, a through hole 32a is arranged at the center of the circular portion 32, the rear end of the rotor assembly 4 penetrates into the cylindrical portion 31 through the through hole 32a, a mounting hole 32b is arranged on the outer periphery of the circular portion 32, a plurality of mounting holes 32b are arranged around the central axis of the circular portion 32 in a circumferential manner, the main housing 1, the circular portion 32 and, The pump case 5 also is equipped with the mounting hole, and the pole portion of screw passes behind the mounting hole and fixes through the nut, realizes that main housing 1, ring portion 32, pump case 5 fixed mounting are integrative, separates stator module 2 and rotor subassembly 4 mutually through this waterproof cover 3 of structure.

As shown in fig. 4, the motor is horizontally installed and used, a water inlet pipe 51 is arranged at the center of the pump shell 5, a water outlet pipe 52 is arranged at the bottom of the pump shell 5, the rotor assembly 4 rotates, water flows into the cavity formed by the waterproof sleeve 3 and the pump shell 5 through the water inlet pipe 51 and then is discharged through the water outlet pipe 52, after the rotor assembly stops rotating, the residual water in the motor can be discharged outside the motor through the water outlet pipe 52 under the action of self gravity, no water residue is formed, tableware pollution during reuse is avoided, and the sanitary requirement of the dish washing machine is met.

As shown in fig. 5, the stator assembly 2 includes a front bracket 21, a rear bracket 22, a stator core 23, a coil winding 24 and a circuit board 25, the stator core 23 has a plurality of stacked stator cores, the front bracket 21 and the rear bracket 22 are inserted into tooth slots of the stator core 23, the coil winding 24 is wound around the front bracket 21 and the rear bracket 22, the circuit board 25 is installed behind the rear bracket 22, the stator core 23 has a plurality of stator teeth 23a, and a positioning bar 31a is inserted between two adjacent stator teeth 23 a.

As shown in fig. 6, the rotor assembly 4 includes a magnet 41, a rotating shaft 42, a blocking plate 43 and a fan blade 44, the magnet 41 is sleeved behind the rotating shaft 42, the blocking plate 43 and the fan blade 44 are sleeved in front of the rotating shaft 42, the blocking plate 43 and the fan blade 44 are located in a cavity formed by the circular ring portion 32 and the pump housing 5, and in addition, an O-ring 6 is installed between the circular ring portion 32, the pump housing 5 and the blocking plate 43, so that the waterproof sealing effect is further enhanced.

The above description is provided for the purpose of describing the present invention in more detail with reference to the preferred embodiments, and it should not be construed that the present invention is limited to these descriptions, and it will be apparent to those skilled in the art that the present invention can be implemented in many ways without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a water pump motor for dish washer which characterized in that: including main shell, stator module, waterproof cover, rotor subassembly and pump case, main shell internally mounted stator module, waterproof cover comprises the cylindricality portion and the ring portion of connecting integrative, cylindricality portion, the ring portion forms the T style of calligraphy, cylindricality portion periphery side is equipped with the location strip, the location strip has many to arrange around the central axle circumference in the cylindricality portion, cylindricality portion stretches into in the stator module, ring portion center department is equipped with the through-hole, the rotor subassembly rear end penetrates in the cylindricality portion through the through-hole, ring portion periphery side is equipped with the mounting hole, the mounting hole has a plurality of central axle circumference range in the ring portion, main shell, ring portion, the pump case passes the mounting hole through the fastener and realizes that fixed mounting is integrative, waterproof cover separates stator module and rotor subassembly mutually.

2. A water pump motor for a dishwasher as claimed in claim 1, wherein: the motor is horizontally installed for use, a water inlet pipeline is arranged at the center of the pump shell, and a water outlet pipeline is arranged at the bottom of the pump shell.

3. A water pump motor for a dishwasher as claimed in claim 1, wherein: stator module includes fore-stock, after-poppet, stator chip, coil winding and circuit board, and during the tooth's socket of stator chip was inserted to fore-stock, after-poppet, coil winding fore-stock, after-poppet, the circuit board is installed to the after-poppet rear, and the stator chip is equipped with a plurality of stator tooth portions, and the locating bar inserts between two adjacent stator tooth portions.

4. A water pump motor for a dishwasher as claimed in claim 1, wherein: the rotor component comprises a magnet, a rotating shaft, a blocking plate and fan blades, the magnet is sleeved at the rear of the rotating shaft, the blocking plate and the fan blades are sleeved in front of the rotating shaft, and the blocking plate and the fan blades are located in a cavity formed by the circular ring part and the pump shell.

5. A water pump motor for a dishwasher as claimed in claim 1, wherein: o-shaped sealing rings are arranged among the circular ring part, the pump shell and the blocking plate.