CN112386182A - Floor brush and water-cooling waterproof motor - Google Patents

Floor brush and water-cooling waterproof motor Download PDF

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Publication number
CN112386182A
CN112386182A CN202011423803.XA CN202011423803A CN112386182A CN 112386182 A CN112386182 A CN 112386182A CN 202011423803 A CN202011423803 A CN 202011423803A CN 112386182 A CN112386182 A CN 112386182A
Authority
CN
China
Prior art keywords
rod
motor
water
shell
brush
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202011423803.XA
Other languages
Chinese (zh)
Other versions
CN112386182B (en
Inventor
林有余
陈林淼
汪洋
周建辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Sumec Hardware and Tools Co Ltd
Original Assignee
Jiangsu Sumec Hardware and Tools Co Ltd
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Filing date
Publication date
Application filed by Jiangsu Sumec Hardware and Tools Co Ltd filed Critical Jiangsu Sumec Hardware and Tools Co Ltd
Priority to CN202011423803.XA priority Critical patent/CN112386182B/en
Publication of CN112386182A publication Critical patent/CN112386182A/en
Application granted granted Critical
Publication of CN112386182B publication Critical patent/CN112386182B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/28—Floor-scrubbing machines, motor-driven
    • A47L11/282—Floor-scrubbing machines, motor-driven having rotary tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4002—Installations of electric equipment
    • A47L11/4005—Arrangements of batteries or cells; Electric power supply arrangements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4002—Installations of electric equipment
    • A47L11/4008—Arrangements of switches, indicators or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4063—Driving means; Transmission means therefor
    • A47L11/4069—Driving or transmission means for the cleaning tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4075—Handles; levers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4088—Supply pumps; Spraying devices; Supply conduits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil

Abstract

The invention discloses a floor washing brush and a water-cooling waterproof motor, wherein the floor washing brush comprises a cleaning head, the cleaning head is provided with a shell part, the shell part is internally provided with a motor, a transmission device and a driving shaft, the floor washing brush also comprises a connecting rod, one end of the connecting rod is fixedly connected with the cleaning head, the other end of the connecting rod is provided with a main handle, a water inlet pipe is arranged in the connecting rod, the main handle is provided with a water inlet pipe joint, the front end of the connecting rod is provided with a nozzle, and the nozzle and; and a position adjusting component is arranged between the nozzle and the connecting rod and used for adjusting the distance and the angle of the nozzle relative to the connecting rod. The advantages are that: the spray nozzle is arranged at the lower end of the rod, the connection is firm, the space is saved, the length of the floor washing brush is telescopic, the position of the spray nozzle is adjustable, water can be sprayed to the side direction, and the cleaning efficiency is greatly improved.

Description

Floor brush and water-cooling waterproof motor
Technical Field
The invention relates to a floor brush and a water-cooling waterproof motor, and belongs to the technical field of floor cleaning equipment.
Background
The existing floor washing brush or yard brush has the advantages that the nozzle is fixed at the cleaning head, and the nozzle directly washes forwards, but dead angles and certain inconvenience exist in washing due to the fixed direction of the nozzle.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a floor brush and a water-cooling waterproof motor.
In order to solve the technical problem, the invention provides a floor washing brush which comprises a cleaning head and a connecting rod, wherein the cleaning head is provided with a shell part, a motor, a transmission device and a driving shaft are arranged in the shell part, the motor drives the driving shaft to rotate through the transmission device, and the driving shaft drives a roller brush to rotate; one end of the connecting rod is fixedly connected with the cleaning head, the other end of the connecting rod is provided with a main handle, a water inlet pipe is arranged in the connecting rod, and a water inlet pipe joint is arranged on the main handle;
the front end of the connecting rod penetrates through the shell of the cleaning head, the front end of the connecting rod is movably connected with a nozzle, and the nozzle is communicated with the water inlet pipe joint through the water inlet pipe;
a position adjusting component is arranged between the nozzle and the connecting rod and used for adjusting the distance and the angle of the nozzle relative to the connecting rod.
Further, the position adjusting assembly comprises a nozzle connecting piece, a nozzle seat and a rotating sleeve;
the nozzle connecting piece comprises a vertical part and a horizontal part, the vertical part is connected with the lower end of the connecting rod, two ends of the horizontal part are respectively connected with one end of a nozzle seat, the rotating external member is connected with the other end of the nozzle seat in a rotatable mode, and the outermost end of the rotating external member is fixed with the nozzle.
Further, still include the adapter sleeve, the adapter sleeve is fixed with the connecting rod lower extreme, vertical portion with the inside sliding connection of adapter sleeve.
Furthermore, a flow regulating valve for regulating the water flow between the nozzle and the water inlet pipe joint is arranged on the main handle.
The motor is characterized by further comprising a battery pack, wherein the battery pack is arranged below the main handle and is connected with the motor through a conducting wire, and a switch for switching on and off a power supply is further arranged on the main handle.
Furthermore, the tail end of the main handle is provided with a supporting support rod which is used for supporting the main handle when the floor brush is horizontally placed on the ground so as to keep the battery pack not directly contacted with the ground.
Furthermore, the upper part of the supporting support rod is provided with an arc-shaped groove, and the arc-shaped groove is matched with the outer circle of the water pipe and is used for supporting and guiding the water pipe to be connected with the water pipe joint.
Furthermore, the roller brush comprises a rotating wheel, a main brush and a side brush, the rotating wheel is driven to rotate by a driving shaft, the main brush is arranged on the outer peripheral surface of the rotating wheel, and the side brush is arranged on the side surface of the rotating wheel.
Furthermore, the periphery of the roller brush is provided with a protective cover, and the protective cover is connected with the lower end of the shell part.
Furthermore, the front end of the main handle is also provided with a main handle connecting rod, a plurality of connecting holes are formed in the main handle connecting rod, the same connecting holes are formed in one end, connected with the main handle, of the connecting rod, the connecting rod is connected with the main handle connecting rod in a sliding mode, and the connecting holes in the connecting rod and one connecting hole in the main handle connecting rod are fixedly connected through a fastener.
Furthermore, the handle device also comprises an auxiliary handle which is arranged on the main handle connecting rod.
Furthermore, the device also comprises a supporting wheel which is detachably connected to the lower part of the connecting piece.
The utility model provides a water-cooling waterproof motor is applied to wash ground brush, include:
the motor comprises a motor shell, a motor output shaft, a rotor and a stator core, wherein the motor output shaft, the rotor and the stator core are arranged in the motor shell;
the motor shell is provided with a sealed cavity I and an inner shell, the rotor and the stator core are arranged in the sealed cavity I, and the inner surface of the inner shell is tightly attached to the stator core to form a heat conduction channel; the motor shell is provided with at least one cooling channel I passing through the inner shell, a water inlet I communicated with one end of the cooling channel I and a water outlet I communicated with the other end of the cooling channel I; the water inlet I is communicated with the water inlet pipe joint, and the water outlet I is communicated with the nozzle.
Furthermore, a water inlet joint is arranged at the water inlet I, and a water outlet joint is arranged at the water outlet I.
Furthermore, the water inlet is hermetically provided with the water inlet joint through a water inlet joint sealing ring; and the water outlet joint is hermetically arranged at the water outlet I through a water outlet joint sealing ring.
Furthermore, when the number of the cooling channels I is more than two, the motor shell is also provided with a flow dividing channel communicated with the water inlet end of the cooling channel I and a flow converging channel communicated with the water outlet end of the cooling channel I.
Further, the cooling passage I extends in a direction parallel to the axis of the motor housing, the flow dividing passage extends in a direction parallel to the diameter of the motor housing, and the flow converging passage extends in the circumferential direction of the motor housing.
Further, the motor shell comprises an end cover and a motor shell which are axially connected in a sealing mode to form the sealing cavity I, the motor shell is a pot-shaped body with one end open and the other end closed, and the end cover is installed at the opening of the motor shell in a sealing mode; the water inlet I, the cooling channel, the flow dividing channel and the flow converging channel are all arranged on the machine shell, and the water outlet I is arranged on the end cover.
Furthermore, an annular groove formed by extending along the circumferential direction of the opening of the shell is formed at the opening of the shell, and the end cover is connected with the annular groove in a sealing manner to form the confluence channel.
Furthermore, the inner side of the annular groove forms a circle of shell inner wall, the outer side forms a circle of shell outer wall, similarly, the end cover also has a circle of end cover inner wall and a circle of end cover outer wall, the end cover inner wall forms sealing connection with the shell inner wall through the first sealing ring, and the end cover outer wall forms sealing connection with the shell outer wall through the second sealing ring.
Furthermore, a bearing II is arranged in a center hole of the end cover, a bearing I is arranged in a center hole of the shell, and two ends of the output shaft of the motor are respectively arranged in the bearing I and the bearing II; the flow dividing passage passes from the vicinity of the outside of the housing where the bearing I is mounted.
Furthermore, a plurality of heat conducting ribs I extending towards the outer surface of the motor shell are arranged on the outer surface of the cooling channel I.
The invention achieves the following beneficial effects:
the spray nozzle is arranged at the lower end of the rod, the connection is firm, the space is saved, the length of the floor washing brush is telescopic, the spray nozzle is adjustable, water can be sprayed to the side direction, and the cleaning efficiency is greatly improved.
The motor is a water-cooling waterproof motor, so that the whole brush head can be directly cleaned in water, the cleaning of the dirty washing brush is convenient, and the motor adopts water cooling to dissipate heat, so that the noise is greatly reduced while the cooling is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic representation of the cleaning head structure steel of the present invention;
FIG. 3 is a schematic view of the connecting rod structure of the present invention;
FIG. 4 is a schematic illustration of a split structure of the present invention;
FIG. 5 is a schematic view of the main handle structure;
FIG. 6 is a schematic view of the floor brush laid flat;
FIG. 7 is a schematic view of a driving device;
FIG. 8 is a schematic view of a roller brush configuration;
FIG. 9 is a schematic view of the shroud configuration;
FIG. 10 is a schematic view of the support wheel construction of the present invention;
FIG. 11 is a cross-sectional schematic view of the motor;
FIG. 12 is a schematic view of the structure of the motor;
fig. 13 is an enlarged view of a position a in fig. 12.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1 to 10, a floor washing brush comprises a cleaning head 1, the cleaning head 1 has a housing 2, a motor 21, a transmission device 22 and a driving shaft 23 are arranged in the housing 2, the motor 21 drives the driving shaft 23 to rotate through the transmission device 22, the driving shaft 23 drives a roller brush 3 to rotate, the transmission device 22 comprises a driving gear 221, a large gear 222, a small gear 223, a belt 224 and an output gear 225, a motor output shaft 211 of the motor 21 drives the driving gear 221 to rotate, the driving gear 221 is meshed with the large gear 222, the large gear 222 is coaxially fixed with the small gear 223, the small gear 223 is connected with the output gear 225 through the belt, and the output gear 225 drives the driving shaft 23 to rotate; the cleaning head comprises a cleaning head body and is characterized by further comprising a connecting rod 4, one end of the connecting rod 4 is fixedly connected with the cleaning head body 1, the other end of the connecting rod 4 is provided with a main handle 5, a water inlet pipe is arranged inside the connecting rod 4, a water inlet pipe joint 51 is arranged on the main handle 5, the front end of the connecting rod 4 extends out of the shell of the cleaning head body 1, a nozzle 6 is arranged at the front end of the connecting rod 4, and the nozzle is communicated with the water inlet;
a position adjusting component 7 is arranged between the nozzle 6 and the connecting rod 4, and the distance and the angle of the nozzle 6 relative to the connecting rod 4 can be adjusted through the position adjusting component 7.
The nozzle position adjusting assembly 7 comprises a nozzle connecting piece 71, a nozzle seat 72 and a rotating sleeve piece 73;
the nozzle connecting piece 71 comprises a vertical part and a horizontal part, the vertical part is connected with the lower end of the connecting rod 4, two ends of the horizontal part are respectively connected with one end of a nozzle seat 72, the rotating sleeve 73 is rotatably connected with the other end of the nozzle seat 72, and the nozzle 6 is fixed at the outermost end of the rotating sleeve 73.
The connecting device further comprises a connecting sleeve 41, the connecting sleeve 41 is fixed with the lower end of the connecting rod 4, and the vertical part is in sliding connection with the inside of the connecting sleeve 41.
The main handle 5 is provided with a flow control valve 52 for adjusting the water flow between the nozzle 6 and the water inlet pipe joint 51.
The electric bicycle is characterized by further comprising a battery pack 8, wherein the battery pack 8 is arranged below the main handle 5, the battery pack 8 is connected with the motor 21 through a conducting wire, and a switch 53 for switching on and off a power supply is further arranged on the main handle 5.
The tail end of the main handle 5 is provided with a support supporting rod 55 which is used for supporting the main handle 5 when the floor brush is horizontally placed on the ground so as to keep the battery pack 8 not directly contacted with the ground. The floor brush can ensure that the floor brush always lands before the battery pack when the floor brush is fallen to the ground when the floor brush is accidentally lost, thereby protecting the battery pack from being broken.
The upper part of the supporting support rod 55 is provided with an arc-shaped groove 551, and the arc-shaped groove 551 is matched with the excircle of the water pipe and is used for supporting and guiding the water pipe to be connected with the water pipe joint 51.
The roller brush 3 comprises a rotating wheel 31, a main brush 32 and a side brush 33, the rotating wheel 31 is driven to rotate by a driving shaft 23, the main brush 32 is arranged on the peripheral surface of the rotating wheel 31, and the side brush 33 is arranged on the side surface of the rotating wheel 31.
A protective cover 34 is arranged on the periphery of the roller brush 3, and the protective cover 34 is connected with the lower end of the shell part 2. Can prevent to wash the floor brush during operation and get rid of the foul to the operator.
The front end of the main handle 5 is also provided with a main handle connecting rod 56, a plurality of connecting holes are formed in the main handle connecting rod 56, the same connecting hole is formed in one end, connected with the main handle 5, of the connecting rod 4, the connecting rod 4 is connected with the main handle connecting rod 56 in a sliding mode, and the connecting hole in the connecting rod 4 is fixedly connected with one connecting hole in the main handle connecting rod 56 through a fastener 57.
The auxiliary handle 10 is arranged on the main handle connecting rod 56.
The device also comprises a supporting wheel 9, and the supporting wheel 9 is detachably connected to the lower part of the connecting piece 4.
As shown in fig. 11-13, in order to make the whole brush head directly clean in water and solve the problem of pain spots which cannot be cleaned after dirty, the current floor brush is air-cooled and not waterproof, and in order to realize the purpose of water-cooling heat dissipation, the motor is a water-cooling waterproof motor 21, and the water-cooling waterproof motor 21 comprises:
the motor comprises a motor shell 21-0, and a motor output shaft 211, a rotor 21-2 and a stator core 21-3 which are arranged in the motor shell 21-0, wherein the rotor 21-2 is installed on the motor output shaft 211, and the stator core 21-3 is positioned outside the rotor 21-2;
the motor shell 21-0 is provided with a sealed cavity I21-4 and an inner shell 21-5, the rotor 21-2 and the stator core 21-3 are arranged in the sealed cavity I21-4, and the inner surface of the inner shell 21-5 clings to the stator core 21-3 to form a heat conduction channel; the motor shell 21-0 is provided with at least one cooling channel I21-6 passing through the inner shell 21-5, a water inlet I21-7 communicated with one end of the cooling channel I21-6 and a water outlet I21-8 communicated with the other end of the cooling channel I21-6; the water inlet I21-7 is communicated with a water inlet pipe joint 51, and the water outlet I21-8 is communicated with the nozzle 6.
The water inlet I21-7 is provided with a water inlet joint 21-21, and the water outlet I21-8 is provided with a water outlet joint 21-22.
The water inlet joint 21-21 is hermetically arranged at the water inlet 21-7 through a water inlet joint sealing ring 21-23; the water outlet I21-8 is hermetically provided with the water outlet joint 21-22 through a water outlet joint sealing ring 21-24
When the number of the cooling channels I21-6 is more than two, the motor shell 21-0 is further provided with a branch channel 21-9 communicated with the water inlet end of the cooling channel I21-6 and a confluence channel 21-10 communicated with the water outlet end of the cooling channel I21-6.
The cooling passage I21-6 extends in a direction parallel to the axis of the motor case 21-0, the branch passage 21-9 extends in a direction parallel to the diameter of the motor case 21-0, and the joining passage 21-10 extends in the circumferential direction of the motor case 21-0.
The motor shell 21-0 comprises an end cover 21-11 and a machine shell 21-12 which are axially connected in a sealing way to form the sealing cavity I21-4, the machine shell 21-12 is a pot-shaped body with one open end and the other closed end, and the end cover 21-11 is mounted at the opening of the machine shell 21-12 in a sealing way; the water inlet I21-7, the cooling channel 21-6, the flow dividing channel 21-9 and the flow converging channel 21-10 are all arranged on the machine shell 21-12, and the water outlet I21-7 is arranged on the end cover 21-11.
An annular groove 21-16 formed by extending along the circumferential direction is formed in the opening of the machine shell 21-12, and the end cover 21-11 is connected with the annular groove 21-16 in a sealing mode to form the confluence channel 21-10.
The inner side of the annular groove 21-16 forms a circle of shell inner wall 21-16, the outer side forms a circle of shell outer wall 21-17, similarly, the end cover 21-1 also has a circle of end cover inner wall 21-18 and a circle of end cover outer wall 21-19, the end cover inner wall 21-18 is in sealing connection with the shell inner wall 21-26 through a first sealing ring 21-20, and the end cover outer wall 21-19 is in sealing connection with the shell outer wall 21-17 through a second sealing ring 21-25.
In order to realize the installation of the motor output shaft 211, a bearing II21-13 is installed in the central hole of the end cover 21-11, a bearing I21-14 is installed in the central hole of the machine shell 21-12, and two ends of the motor output shaft 211 are respectively installed in the bearing I21-14 and the bearing II 21-14; the diversion passage 21-9 passes from near the outside of the housing 21-12 where the bearing I21-14 is mounted.
In order to further improve the cooling capacity, the outer surface of the cooling channel I21-6 is provided with a plurality of heat conducting ribs I21-15 extending towards the outer surface of the motor shell 21-0.
The spray nozzle is arranged at the lower end of the rod, the spray nozzle is connected and fastened, the space is saved, the length of the floor washing brush is telescopic, the spray nozzle is adjustable, water can be sprayed to the side direction, the floor washing brush is provided with the detachable supporting wheel, the floor washing brush is suitable for users of different ages and different body conditions, the supporting support rod is arranged at the rear end of the main handle, the functions of supporting the hose in a guiding mode, protecting the battery pack when the floor washing brush is accidentally dropped and the like can be achieved, the power supply of the lithium battery pack is achieved, the distance limitation is avoided, the side brush is arranged on. The motor adopted by the invention is a water-cooling waterproof motor, so that the whole brush head can be directly cleaned in water, the problem that the brush head cannot be cleaned after being dirty is solved, the existing floor brush is air-cooled and waterproof, and the purpose of water-cooling heat dissipation can be realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (22)

1. A floor washing brush comprises a cleaning head (1) and a connecting rod (4), wherein the cleaning head (1) is provided with a shell part (2), a motor, a transmission device (22) and a driving shaft (23) are arranged in the shell part (2), the motor drives the driving shaft (23) to rotate through the transmission device (22), and the driving shaft (23) drives a roller brush (3) to rotate; one end of the connecting rod (4) is fixedly connected with the cleaning head (1), the other end of the connecting rod is provided with a main handle (5), a water inlet pipe is arranged in the connecting rod (4), and a water inlet pipe joint (51) is arranged on the main handle (5);
the cleaning device is characterized in that the front end of the connecting rod (4) penetrates through the shell part (2) of the cleaning head (1), the front end of the connecting rod (4) is movably connected with a nozzle (6), and the nozzle (6) is communicated with the water inlet pipe joint (51) through the water inlet pipe;
a position adjusting component (7) is arranged between the nozzle (6) and the connecting rod (4), and the position adjusting component (7) is used for adjusting the distance and the angle of the nozzle (6) relative to the connecting rod (4).
2. A floor brush according to claim 1, characterized in that the position adjustment assembly (7) comprises a nozzle connection (71), a nozzle holder (72) and a rotation set (73);
the nozzle connecting piece (71) comprises a vertical part and a horizontal part, the vertical part is connected with the lower end of the connecting rod (4), two ends of the horizontal part are respectively connected with one end of a nozzle seat (72), the rotating external member (73) is connected with the other end of the nozzle seat (72) in a rotatable mode, and the nozzle (6) is fixed at the outermost end of the rotating external member (73).
3. A floor brush according to claim 2, characterized in that it further comprises a connecting sleeve (41), the connecting sleeve (41) is fixedly connected with the lower end of the connecting rod (4), and the vertical part is slidably connected inside the connecting sleeve (41).
4. A floor brush according to claim 1, characterized in that the main handle (5) is provided with a flow control valve (52) for adjusting the amount of water flow between the nozzle (6) and the water inlet pipe joint (51).
5. The floor washing brush according to claim 1, further comprising a battery pack (8), wherein the battery pack (8) is arranged below the main handle (5), the battery pack (8) is connected with the motor through a wire, and a switch (53) for switching on and off the power supply is further arranged on the main handle (5).
6. A floor brush as claimed in claim 5, characterized in that the main handle (5) is provided at its distal end with a support bracket (55) for supporting the main handle (5) when the floor brush is laid flat on the floor, keeping the battery pack (8) from directly contacting the floor.
7. A floor-washing brush as claimed in claim 6, characterized in that the upper part of the supporting bracket rod (55) is provided with an arc-shaped groove (551), the arc-shaped groove (551) matches with the outer circle of the water pipe for supporting and guiding the water pipe to connect with the water pipe joint (51).
8. A floor-washing brush according to claim 1, characterized in that the roller brush (3) comprises a rotary wheel (31), a main brush (32) and a side brush (33), the rotary wheel (31) is driven by a driving shaft (23) to rotate, the main brush (32) is arranged on the outer circumference of the rotary wheel (31), and the side brush (33) is arranged on the side of the rotary wheel (31).
9. A floor brush according to claim 1, characterized in that the drum brush (3) is provided with a shield (34) at its periphery, the shield (34) being connected to the lower end of the housing part (2).
10. The floor washing brush as claimed in claim 1, wherein the front end of the main handle (5) is further provided with a main handle connecting rod (56), the main handle connecting rod (56) is provided with a plurality of connecting holes, the end of the connecting rod (4) connected with the main handle (5) is provided with the same connecting hole, the connecting rod (4) is slidably connected with the inside of the main handle connecting rod (56), and the connecting hole on the connecting rod (4) is fixedly connected with one connecting hole on the main handle connecting rod (56) through a fastener (57).
11. A floor brush according to claim 10, further comprising a secondary handle (10) provided on the primary handle connecting rod (56).
12. A floor brush according to claim 1, characterized in that it further comprises a support wheel (9), the support wheel (9) being detachably connected to the lower part of the connecting member (4).
13. A water-cooled waterproof motor (21) which is applied to the floor brush of any one of claims 1 to 12, comprising:
the motor comprises a motor shell (21-0), and a motor output shaft (211), a rotor (21-2) and a stator core (21-3) which are arranged in the motor shell (21-0), wherein the rotor (21-2) is installed on the motor output shaft (211), and the stator core (21-3) is positioned outside the rotor (21-2);
the motor shell (21-0) is provided with a sealed cavity I (21-4) and an inner shell (21-5), the rotor (21-2) and the stator core (21-3) are arranged in the sealed cavity I (21-4), and the inner surface of the inner shell (21-5) is tightly attached to the stator core (21-3) to form a heat conduction channel; the motor shell (21-0) is provided with at least one cooling channel I (21-6) passing through the inner shell (21-5), a water inlet I (21-7) communicated with one end of the cooling channel I (21-6) and a water outlet I (21-8) communicated with the other end of the cooling channel I (21-6); the water inlet I (21-7) is communicated with a water inlet pipe joint (51), and the water outlet I (21-8) is communicated with the nozzle (6).
14. The water-cooled waterproof motor (21) according to claim 13, characterized in that a water inlet joint (21-21) is arranged at the water inlet I (21-7), and a water outlet joint (21-22) is arranged at the water outlet I (21-8).
15. The water-cooled waterproof motor (21) according to claim 14, characterized in that the water inlet joint (21-21) is hermetically mounted at the water inlet (21-7) through a water inlet joint sealing ring (21-23); the water outlet I (21-8) is hermetically provided with the water outlet joint (21-22) through a water outlet joint sealing ring (21-24).
16. The water-cooled waterproof motor (21) as claimed in claim 13, wherein when the number of the cooling channels I (21-6) is two or more, the motor housing (21-0) is further provided with a branch channel (21-9) communicating with the water inlet end of the cooling channel I (21-6) and a confluence channel (21-10) communicating with the water outlet end of the cooling channel I (21-6).
17. The water-cooled waterproof motor (21) as recited in claim 16, characterized in that the cooling channel I (21-6) extends in a direction parallel to an axis of the motor housing (21-0), the flow dividing channel (21-9) extends in a direction parallel to a diameter of the motor housing (21-0), and the flow converging channel (21-10) extends in a circumferential direction of the motor housing (21-0).
18. The water-cooled waterproof motor (21) according to claim 16, wherein the motor housing (21-0) comprises an end cover (21-11) and a housing (21-12) which are axially and hermetically connected to form the sealed cavity I (21-4), the housing (21-12) is a pot body with one open end and the other closed end, and the end cover (21-11) is hermetically installed at the opening of the housing (21-12); the water inlet I (21-7), the cooling channel (21-6), the flow dividing channel (21-9) and the flow converging channel (21-10) are all arranged on the machine shell (21-12), and the water outlet I (21-7) is arranged on the end cover (21-11).
19. The water-cooled waterproof motor (21) as claimed in claim 18, wherein an opening of the housing (21-12) is provided with an annular groove (21-16) extending along the circumferential direction of the housing, and the end cover (21-11) is hermetically connected with the annular groove (21-16) to form the confluence channel (21-10).
20. The water-cooled waterproof motor (21) according to claim 19, characterized in that the annular groove (21-16) is formed with a circle of inner shell wall (21-16) on the inside and a circle of outer shell wall (21-17) on the outside, and similarly, the end cover (21-1) is also formed with a circle of inner end cover wall (21-18) and a circle of outer end cover wall (21-19), the inner end cover wall (21-18) is in sealing connection with the inner shell wall (21-26) through a first sealing ring (21-20), and the outer end cover wall (21-19) is in sealing connection with the outer shell wall (21-17) through a second sealing ring (21-25).
21. The water-cooled waterproof motor (21) as claimed in claim 18, wherein bearings II (21-13) are installed in the central hole of the end cover (21-11), bearings I (21-14) are installed in the central hole of the housing (21-12), and two ends of the motor output shaft (211) are installed in the bearings I (21-14) and the bearings II (21-14), respectively; the flow dividing passage (21-9) passes through the vicinity of the outside of the housing (21-12) where the bearing I (21-14) is installed.
22. The water-cooled waterproof motor (21) according to claim 13, characterized in that: the outer surface of the cooling channel I (21-6) is provided with a plurality of heat conducting ribs I (21-15) extending towards the outer surface of the motor shell (21-0).
CN202011423803.XA 2020-12-08 2020-12-08 Floor brush and water-cooling waterproof motor Active CN112386182B (en)

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CN111134580A (en) * 2020-01-16 2020-05-12 山东郎晨环保科技有限公司 Scrubbing machine with self-cleaning function
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CN101095566A (en) * 2007-07-09 2008-01-02 付超 full-automatic dry and wet cleaning brushing device
CN101961223A (en) * 2009-07-21 2011-02-02 三洋电机株式会社 Electric dust collector
CN201840424U (en) * 2010-10-29 2011-05-25 熊猫通用机械集团有限公司 Floor washing brush
CN204908413U (en) * 2015-08-31 2015-12-30 陶佐林 Electronic cleaning brush
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CN111134580A (en) * 2020-01-16 2020-05-12 山东郎晨环保科技有限公司 Scrubbing machine with self-cleaning function

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