CN220857796U

CN220857796U - Motor assembly for cleaning equipment

Info

Publication number: CN220857796U
Application number: CN202322644980.6U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Suzhou Chenghe Cleaning Equipment Co Ltd
Current assignee: Suzhou Chenghe Cleaning Equipment Co Ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-04-26
Anticipated expiration: 2033-09-28

Abstract

The application discloses a motor assembly for a cleaning device, comprising: the motor cover is arranged in the accommodating cavity, and the motor in the motor cover is provided with at least one inlet positioned at the bottom of the shell and at least one outlet positioned on the side wall of the shell; the motor cover is provided with an input port, a plurality of upper output ports and a plurality of lower output ports which are mutually far away; an upper space and a lower space which are vertically separated are formed between the motor cover and the shell, the upper space is communicated with the upper output port, and the motor is provided with an air inlet and an air outlet; the upper output port is positioned above the air outlet and the outlet, the lower output port is positioned below the air outlet and the outlet, and the air outlet, the plurality of lower output ports, the lower space and the outlet are sequentially in fluid communication to form an exhaust channel. The motor cover and the shell are enclosed outside the motor to form an exhaust channel for conveying working wind outwards and an additional upper space, and the purpose of noise reduction is achieved by increasing the conveying path of air flow and relieving exhaust pressure.

Description

Motor assembly for cleaning equipment

Technical Field

The application relates to the technical field of cleaning equipment, in particular to a motor assembly for cleaning equipment.

Background

Some cleaning devices currently require a motor to perform some function, for example, a vacuum module on a cleaner or other cleaning device requires a negative pressure generated by operation of the motor, so as to perform the function of cleaning. In general, the motor generates noise in the running process, the noise is mainly divided into two types, one is the mechanical frequency noise generated by mechanical vibration, and the other is the pneumatic noise generated by air flow; the noise of the motor of the existing cleaning equipment in the working process is large, and user experience is affected.

Disclosure of Invention

In order to solve the problem that the motor in the prior art has larger noise in the working process, the application aims to provide a motor assembly for cleaning equipment.

In order to achieve the above purpose, the application adopts the following technical scheme: a motor assembly for a cleaning device, comprising:

The shell is internally limited with a containing cavity, at least one inlet and at least one outlet are formed in the shell, the at least one inlet is formed in the bottom of the shell, and the at least one outlet is formed in the side wall of the shell;

The motor cover is arranged in the accommodating cavity, a cavity is defined in the motor cover, an input port communicated with the at least one inlet is formed in the bottom of the motor cover, and a plurality of upper output ports and a plurality of lower output ports which are far away from each other are formed in the motor cover; an upper space and a lower space which are separated up and down are formed between the outer surface of the motor cover and the inner wall surface of the shell, a plurality of upper output ports are communicated with the upper space, and a plurality of lower output ports and at least one outlet are communicated with the lower space; and

The motor is arranged in the cavity, the motor is provided with an air inlet and an air outlet, the air inlet is in fluid communication with the input port, and the air outlet is in fluid communication with the plurality of upper output ports and the plurality of lower output ports simultaneously;

The air outlet, the plurality of lower output ports, the lower space and the at least one outlet are sequentially in fluid communication to form an exhaust channel.

In the above technical solution, it is further preferable that the air inlet is located at the bottom of the motor, and the air outlet is located at the middle of the motor.

In the above technical solution, it is further preferable that the plurality of upper output ports and the plurality of lower output ports are respectively located at the top and the bottom of the motor housing.

In the above technical solution, it is further preferable that the plurality of lower output ports surround an outer side of the input port.

In the above technical solution, it is further preferable that a first inlet is provided at the bottom of the housing, a second inlet is provided at the side wall of the housing, and the first inlet and the second inlet are selectively in fluid communication with the input port.

In the above technical solution, it is further preferable that the motor assembly includes an air duct member disposed in the accommodating cavity, the air duct member has a first port, a second port and a third port which are mutually communicated, the first port is communicated with the first inlet, the second port is communicated with the second inlet, and the third port is communicated with the input port.

In the above technical solution, it is further preferable that the housing includes an upper housing and a lower housing that are detachable from each other, and the upper housing and the lower housing enclose the accommodating cavity.

In the above technical solution, it is further preferable that the motor cover includes an upper cover and a lower cover that are detachable from each other, the upper cover and the lower cover enclose the chamber, the motor cover further includes a partition protruding outward from an outer surface of the upper cover and/or the lower cover, the partition and an inner wall surface of the housing and an outer surface of the motor cover define the upper space, and the partition and an inner wall surface of the housing, an outer surface of the motor cover and an outer surface of the duct member define the lower space.

In the above technical solution, it is further preferable that the top of the upper housing has a recess located at the upper side of the upper cover, a guide portion extending upward from a part of the edge of the recess, and a protrusion located at the upper side of the recess, the guide portion is connected between the recess and the protrusion, the protrusion is disposed around the recess, and at least a part of the upper space is formed between the protrusion and the upper cover.

Compared with the prior art, the application has the following beneficial effects:

the motor cover and the shell are enclosed outside the motor to form an exhaust channel for conveying working wind outwards and an upper space for relieving the pressure of the exhaust channel and the cavity, the exhaust channel comprises an air outlet of the motor, a plurality of lower output ports positioned below the air outlet and a plurality of outlets positioned above the lower output ports, and the circuitous exhaust channel is matched with the additionally increased upper space, so that the pressure of the working wind output at the outlets can be relieved, and the noise of the released working wind in the output process is reduced.

Drawings

Fig. 1 is a schematic perspective exploded view of a motor assembly for a cleaning device according to an embodiment of the present application;

FIG. 2 is a schematic perspective view of the motor assembly of FIG. 1;

FIG. 3 is a schematic block diagram of working wind delivered from an air outlet to an upper space;

Fig. 4 is a schematic structural view of working wind delivered from an air outlet to a lower space.

Wherein: 100. a motor assembly; 10. a housing; 101. a receiving chamber; 1011. an upper space; 1012. a lower space; 102. a third wiring port; 1. an upper housing; 11. an outlet; 12. a second inlet; 13. a recessed portion; 14. a guide part; 15. a boss; 2. a lower housing; 21. a first inlet; 20. a motor cover; 201. a chamber; 3. an upper cover; 31. an upper output port; 32. a partition portion; 321. a first dividing wall; 322. a second partition wall; 33. a second wiring port; 4. a lower cover; 41. an input port; 42. a lower output port; 5. a motor cover seal ring; 30. a motor; 301. an air inlet; 302. an air outlet; 303. a first wiring port; 40. an air duct member; 401. a first port; 402. a second port; 403. a third port; 6. an air duct sealing ring; 7. sealing on the motor; 8. and sealing under the motor.

Detailed Description

In order to describe the technical content, constructional features, objects and effects of the application in detail, the technical solutions of the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments of the present application. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a detailed description of various exemplary embodiments or implementations of the application. However, various exemplary embodiments may be practiced without these specific details or with one or more equivalent arrangements. Furthermore, the various exemplary embodiments may be different, but are not necessarily exclusive. For example, the specific shapes, configurations, and characteristics of the exemplary embodiments may be used or implemented in another exemplary embodiment without departing from the inventive concept.

Hereinafter, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

The terms "upper" and "lower" as used herein refer to the upper and lower parts of figure 1.

In the present application, unless explicitly specified and limited otherwise, the term "connected" is to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium.

An embodiment of the present application provides a motor assembly for a cleaning apparatus, as shown in fig. 1 and 3, the motor assembly 100 includes a housing 10, a motor cover 20 disposed in the housing 10, and a motor 30 disposed in the motor cover 20, wherein a receiving chamber 101 is defined in an interior of the housing 10, the motor cover 20 is disposed in the receiving chamber 101, a chamber 201 is defined in an interior of the motor cover 20, and the motor 30 is disposed in the chamber 201.

As shown in fig. 1, 3 and 4, the housing 10 includes an upper housing 1 and a lower housing 2 detachably connected to the bottom of the upper housing 1, and the upper housing 1 and the lower housing 2 enclose the accommodating chamber 101. In the embodiment of the present application, two inlets and a plurality of outlets are formed in the housing 10, the bottom of the lower housing 2 is provided with a first inlet 21, the sidewall of the upper housing 1 is provided with a plurality of outlets 11 and a second inlet 12, the plurality of outlets 11 are located on the upper side of the second inlet 12, and the plurality of outlets 11, the second inlet 12 and the first inlet 21 are all in fluid communication with the accommodating cavity 101.

The motor housing 20 includes an upper housing 3 and a lower housing 4 detachably attached to the bottom of the upper housing 3, the upper housing 3 and the lower housing 4 enclosing the chamber 201. The top of the upper cover 3 is provided with a plurality of upper output ports 31, the bottom of the lower cover 4 is provided with an input port 41 and a plurality of lower output ports 42, the plurality of lower output ports 42 are sequentially arranged around the circumference of the input port 41, and the plurality of upper output ports 31, the input port 41 and the plurality of lower output ports 42 are all in fluid communication with the chamber 201. A motor cover sealing ring 5 is arranged between the upper cover 3 and the lower cover 4, and the motor cover sealing ring 5 is used for sealing the joint of the upper cover 3 and the lower cover 4 to avoid air leakage at the joint of the upper cover 3 and the lower cover 4.

The bottom of the motor 30 is provided with an air inlet 301, and the side part of the motor 30 is provided with an air outlet 302 which is circumferentially arranged around the air inlet 301; the plurality of upper output ports 31 are located above the air outlet 302, the plurality of lower output ports 42 are located below the air outlet 302, and the plurality of outlets 11 on the housing 10 are located between the plurality of upper output ports 31 and the plurality of lower output ports 42.

The electric machine assembly 100 further includes an air channel member 40 provided at the bottom of the motor housing 20, the air channel member 40 being located between the lower housing 2 and the lower housing 4. The air duct member 40 has a first port 401, a second port 402 and a third port 403 communicating with each other, the first port 401 being located at the bottom of the air duct member 40 and communicating with the first inlet 21 of the lower case 2; the second port 402 is located at a side portion of the air channel member 40 and communicates with the second inlet 12 of the upper case 1; the third port 403 is located at the top of the duct member 40 and communicates with the inlet port 41 of the lower housing 4, and the first inlet 21 and the second inlet 12 are in selective fluid communication with the inlet port 41 through the duct member 40. Wherein, be provided with wind channel sealing washer 6 between lower cover 4 and the wind channel component 40, wind channel sealing washer 6 seals the junction at input port 41 and third mouth 403, avoids wind leakage in the junction of wind channel component 40 and lower cover 4.

As shown in fig. 1, 2, 4, the motor housing 20 further includes a partition portion 32 protruding outward from the outer surface of the upper housing 3 and/or the lower housing 4, the partition portion 32 including a first partition wall 321 bypassing the upper side and the left and right sides of the outlet 11 and a second partition wall 322 circumferentially arranged around the upper housing 3, the partition portion 32 dividing a gap between the inner wall surface of the housing 10 and the outer surface of the motor housing 20 into an upper space 1011 and a lower space 1012, the upper space 1011 being in fluid communication with the plurality of upper outlet openings 31, and the lower space 1012 being in fluid communication with the plurality of lower outlet openings 42 and the plurality of outlet openings 11.

The inner wall surface of the housing 10, the outer surface of the motor cover 20, and the partition 32 define an upper space 1011, and the air outlet 302, the upper output port 31, and the upper space 1011 are in fluid communication in this order.

As shown in fig. 3 and 4, the air channel member 40, the input port 41 and the air inlet 301 are sequentially in fluid communication to form an air inlet channel; the housing 10, the motor cover 20, the partition 32, and the air duct member 40 define a lower space 1012 therebetween, and the air outlet 302, the plurality of lower output ports 42, the lower space 1012, and the plurality of outlets 11 are sequentially in fluid communication to form an exhaust passage.

There is a second gap between the motor housing 20 and the motor 30 within the chamber 201, which communicates with the plurality of outlets 11, the plurality of upper outlets 31 and the plurality of lower outlets 42.

The top of motor 30 has first wiring mouth 303, and the second wiring mouth 33 of intercommunication first wiring mouth 303 has been seted up at the top of upper cover 3, and the third wiring mouth 102 of intercommunication first wiring mouth 303 has been seted up at the top of upper housing 1, and the wire in the motor 30 stretches out casing 10 through first wiring mouth 303, second wiring mouth 33 and the third wiring mouth 102 of intercommunication. The motor upper seal 7 is arranged between the upper end part of the motor 30 and the upper cover 3 as well as between the upper shell 1, and the motor upper seal 7 cuts off the communication between the interior of the motor 30 and the upper space and the second gap, so that the working wind contact wires with water vapor in the upper space and the second gap are avoided, and safety protection is provided. A motor lower seal 8 is provided between the lower end of the motor 30 and the lower cover 4, and the motor lower seal 8 is sealed between the input port 41 and the air intake 301.

As shown in fig. 2 to 4, when the motor 30 is operated, suction force is generated in the cleaning apparatus, and sucked working wind enters the housing 10 from the first inlet 21 and the second inlet 12 and enters the motor 30 through the air inlet passage; when the air volume discharged from the air outlet 302 is large, part of the working air flows upwards into the upper space 1011 through the upper output port 31, part of the working air flows downwards into the lower space 1012 through the lower output port 42, is conveyed to the plurality of outlets 11 under the guiding action of the blocking and separating parts 32 at the bottom of the lower shell 2, and finally is discharged from the outlets 11 to the motor assembly 100, and the working air which is shunted into the upper space 1011 is released in the upper space 1011 to reduce noise, and meanwhile, the pressure of the working air output by the air exhaust channel is reduced, the working air output by the outlets 11 is relaxed, and the noise of the working air relaxed in the air exhaust channel during output is weakened.

The top of the upper shell 1 is provided with a concave part 13, a guide part 14 and a convex part 15, the concave part 13 is positioned on the upper side of the upper cover 3, the guide part 14 extends upwards from part of the edge of the concave part 13, the convex part 15 is arranged around the concave part 13 and positioned on the upper side of the concave part 13, the guide part 14 is connected between the concave part 13 and the convex part 15, part of the upper space 1011 is formed between the convex part 15 and the upper cover 3, the volume of the upper space 1011 is increased by the convex part 15 of the upper shell 1, the guide part 14 has the functions of diverting and guiding working wind output by a plurality of upper output ports 31, and the moving path of the working wind entering the upper space 1011 is prolonged, so that the purpose of weakening noise is achieved.

The motor housing 20 and the casing 10 of the present application are enclosed outside the motor 30 to form an exhaust passage for delivering working wind outwards and an upper space 1011 for relieving the pressure of the exhaust passage and the chamber 201, the exhaust passage comprises an air outlet 302 of the motor 30, a plurality of lower output ports 42 positioned below the air outlet 302 and a plurality of outlets 11 positioned above the lower output ports 42, and the bypass exhaust passage is matched with the additionally increased upper space 1011, so that the pressure of the working wind outputted at the outlets 11 can be relieved, and the noise of the released working wind in the output process can be reduced.

The foregoing has shown and described the basic principles, principal features and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the application, and various changes and modifications may be made therein without departing from the spirit and scope of the application, the scope of which is defined in the appended claims, specification and their equivalents.

Claims

1. A motor assembly for a cleaning appliance, comprising:

2. The motor assembly of claim 1, wherein the air inlet is located at a bottom of the motor and the air outlet is located at a middle position of the motor.

3. The motor assembly of claim 1, wherein the upper and lower plurality of outlets are located at a top and bottom of the motor housing, respectively.

4. A motor assembly according to claim 3, wherein the plurality of lower output ports are surrounded on the outside of the input ports.

5. The motor assembly of claim 1, wherein the bottom of the housing is provided with a first inlet and the sidewall of the housing is provided with a second inlet, both of the first inlet and the second inlet being selectively in fluid communication with the input port.

6. The motor assembly of claim 5, wherein the motor assembly includes a duct member disposed within the housing, the duct member having a first port in communication with the first inlet, a second port in communication with the second inlet, and a third port in communication with the inlet.

7. The motor assembly of claim 6, wherein said housing comprises an upper housing and a lower housing that are removable from each other, said upper housing and said lower housing defining said receiving chamber.

8. The motor assembly of claim 7, wherein the motor housing includes upper and lower housings that are detachable from each other, the upper and lower housings defining the chamber, the motor housing further including a partition protruding outwardly from an outer surface of the upper and/or lower housings, the partition defining the upper space with an inner wall surface of the housing and an outer surface of the motor housing, the partition defining the lower space with an inner wall surface of the housing, an outer surface of the motor housing and an outer surface of the duct member.

9. The motor assembly of claim 8, wherein the top of the upper housing has a recess located at an upper side of the upper housing, a guide extending upward from an edge of a portion of the recess, and a boss located at an upper side of the recess, the guide being connected between the recess and the boss, the boss being disposed around the recess, at least a portion of the upper space being formed between the boss and the upper housing.