CN117224055A - Detachable electric driving device and cleaning machine - Google Patents

Abstract

The application discloses a detachable electric driving device and a cleaning machine, wherein the detachable electric driving device comprises: the cleaning head comprises an electric driving assembly, a hinging piece and an end button assembly, wherein one end of the hinging piece is detachably and electrically connected with the electric receiving end of the electric driving assembly, and the other end of the hinging piece is hinged with a motor fixing part arranged at one end of a cleaning head shell; the end button assembly is characterized in that the input end of the end button assembly is coupled with the rotation output end of the electric drive assembly, the output end of the end button assembly is used for driving the roller assembly of the cleaning machine to rotate and further driving the driven gear to rotate so as to drive the brush assembly to rotate, and the clamping end of the end button assembly is rotationally connected with the other end of the cleaning head shell and has an axial movable stroke along the electric drive assembly. The technical scheme of the application solves the problems that the existing cleaning machine driving motor is troublesome to disassemble and assemble in the maintenance process.

Description

Detachable electric driving device and cleaning machine

Technical Field

The application relates to the technical field of cleaning equipment, in particular to a detachable electric driving device and a cleaning machine.

Background

In the prior art, an inner cylinder is arranged in an outer cylinder of a cleaning roller of the floor washing machine, a motor in the inner cylinder is powered by a power line introduced by a head hinged with a cleaning head at one end of the inner cylinder, and the head cannot be detached and separated from the cleaning head along with the cleaning roller because the head is hinged with the cleaning head, and meanwhile, the power line penetrates through the head; the cleaning head is completely detached, the power line is cut off when the driving motor is maintained, the cleaning head can be completely detached, the cut power line is required to be reconnected when the maintenance is completed and the maintenance process is carried out again, and the problems that the disassembly and the assembly are troublesome and the like exist.

In the prior art, a motor sleeved in the cleaning roller only drives the cleaning roller to work, and other parts cannot be additionally driven to work.

In the prior art, the wiping layer on the outer surface of the cleaning roller is worn to a certain extent after being used for a period of time, and when the degree of wear seriously affects the cleaning efficiency, the whole cleaning roller needs to be replaced.

Disclosure of Invention

The application provides a detachable electric driving device, which aims to solve the problems that the existing cleaning machine driving motor is troublesome to disassemble and assemble in the maintenance process, and the like, and can also drive other parts to work further by a driving motor in a cleaning roller of the cleaning machine.

In order to solve the above-mentioned problems, the present application provides a detachable electric driving device, which is installed between two opposite sidewalls of a cleaning head housing, and is used for driving a cleaning roller and a brush assembly to rotate, and is characterized by comprising:

the electric driving assembly comprises an electric connection end and a rotation output end, and the rotation output end is provided with an output shaft which is driven to rotate by electricity;

one end of the hinge component is detachably and electrically connected with the power-on end, and the other end of the hinge component is hinged with a motor fixing part on one side wall of the cleaning head shell;

the end button assembly comprises an input end and a clamping end, the input end is coupled with the output shaft, a part of the outer edge of the maximum diameter of the clamping end is coupled with the cleaning roller and drives the cleaning roller to rotate, a part of the outer edge of the end of the clamping end is sleeved with a driven gear which drives the brush assembly to rotate, and the clamping end is clamped with the other side wall of the cleaning head shell and has a movable stroke along the axial direction of the electric driving assembly;

wherein the electric drive assembly is rapidly separable from the hinge at the power receiving end.

In one or some alternative embodiments, the hinge includes:

the sleeving part is sleeved with the power-on end of the electric driving assembly;

the plug-in component is arranged in the middle of the sleeving part of the hinge component and is matched with the electric connecting component arranged at the electric connecting end;

and the hinge part is arranged at the back of the sleeving part and is used for being hinged with the motor fixing part.

In one or some alternative embodiments, the detachable electric driving device further comprises a hinged end sealing plug mounted on the electric connection end, and the electric connector penetrates through the middle of the hinged end sealing plug.

In one or some alternative embodiments, the hinged end sealing plug includes a sealing plug sealing portion and a sealing plug socket portion, the sealing plug sealing portion is in sealing connection with the inner wall of the housing of the electric drive assembly, and the sealing plug socket portion is in socket connection with the socket portion.

In one or some alternative embodiments, the electric drive assembly further comprises: the heat conduction protection cylinder, the driving motor and the speed changing device are accommodated in the heat conduction protection cylinder, and the driving motor, the speed changing device and the output shaft are sequentially coupled in the heat conduction protection cylinder.

In one or some optional embodiments, an output end sealing plug is arranged on the inner wall of the heat conduction protection cylinder at a corresponding position of the periphery of the output shaft.

In one or some alternative embodiments, the end button assembly includes:

one end of the end button mounting seat is sleeved on the periphery of the output shaft and detachably connected with the output end sealing plug, and the outer edge of the other end of the end button mounting seat is clamped on the opening at the end part of the heat conduction protection cylinder;

the middle part of the end button body is arranged in a penetrating way and comprises an output shaft sleeving end and an accommodating end, the sleeving end is sleeved and arranged at the rotating end of the output shaft, the inner wall of the accommodating end is sleeved and connected with the outer wall of one end of the clamping end, and the periphery of the accommodating end is provided with a clamping part for driving the cleaning roller to rotate;

one end of the telescopic cap is sleeved on the inner wall of the accommodating end and is limited by a limiting structure between the inner wall of the accommodating end and the telescopic cap;

the telescopic cap spring is clamped between the telescopic cap and the end wall of the accommodating end of the end button body so that the end cap extends out of the sleeved end of the output shaft;

and one end of the end cap is sleeved at the end part of the telescopic cap, the other end of the end cap is sleeved at the inner ring of the driven gear, and the driven gear is rotatably clamped at one side wall of the cleaning head shell.

In one or some optional embodiments, the limiting structure includes a limiting waist-shaped hole and a limiting pin, the limiting waist-shaped hole is formed in the side wall of the end cap along the extending direction of the end cap, and the limiting pin is arranged on the side wall of the sleeved end of the output shaft in a penetrating manner so as to limit the limiting waist-shaped hole.

In one or some optional embodiments, a first bearing is sleeved on the outer periphery of the sleeved end of the end button body, the first bearing inner ring is in transition fit with the outer periphery of the sleeved end of the end button body, and the first bearing outer ring is in transition fit with the end button mounting seat.

In a second aspect, the present application also provides a cleaning machine comprising a cleaning head housing, a cleaning roller and a removable electric drive as described in the first aspect;

a motor fixing part is arranged on one side wall of the cleaning head shell and hinged with one end of the hinge piece, and the other end of the hinge piece is detachably and electrically connected with the power-receiving end of the electric drive assembly;

the cleaning roller is driven to rotate by the clamping end of the end button assembly.

In one or some optional embodiments, the motor fixing portion includes a fixing portion body, and a hinge head accommodating cavity and a wire harness accommodating cavity which are formed in the fixing portion body, a pin hole is formed in a side wall of the hinge head accommodating cavity, and the pin hole is used for being matched with a hinge pin to be hinged with the corresponding hinge piece, and the wire harness accommodating cavity is used for allowing a wire harness led out by the hinge piece to pass through.

In one or some alternative embodiments, the fixing portion body is provided with an annular clearance step at a position corresponding to the pin hole.

In one or some alternative embodiments, the first end of the hinge is provided with a bearing mounting step for mounting a third bearing, the inner ring of the third bearing is in transition fit with the bearing mounting step, and the inner wall of the cleaning roller at the second end of the hinge is in transition fit with the outer ring of the third bearing.

In one or some alternative embodiments, the scrub roller includes an inner barrel, an outer barrel, and a coupling; the inner cylinder and the outer cylinder can slide mutually, be disassembled and separated, the coupling part is arranged at one end of the inner cylinder, and the coupling part and the inner cylinder are in interference fit or adhesion; the outer edge of the outer cylinder is coated with a sponge layer which can wipe the surface to be cleaned.

In one or some alternative embodiments, the cleaning roller includes a drive coupling end coupled with the end button assembly through the coupling portion and a driven end rotatably connected with the hinge through the third bearing.

The application has the beneficial effects that:

1. according to the detachable electric driving device and the cleaning machine, the hinge piece is detachably arranged at the power-receiving end of the electric driving component of the detachable electric driving device and is hinged with the motor fixing part arranged at one end of the cleaning head shell through the hinge piece, and the rotary output end is provided with the end button component with the axial movable stroke along the electric driving component so as to drive the rotary drum component to rotate the electric driving component; so that the cleaner composed of the detachable electric driving device only needs to dial out the electric driving assembly after pressing the end button assembly when the cleaner driving motor is maintained and disassembled, and realizes the disassembly and the assembly of the motor through the plug of the hinge piece, without cutting off the motor lead wire and welding the motor lead wire, and the maintenance and disassembly and assembly process is more convenient.

2. The end button body of the end button assembly of the detachable electric driving device is driven to rotate by the output shaft of the electric driving assembly, and the clamping part of the end button body is clamped with the drive coupling end at one end of the cleaning roller of the cleaning machine to drive the cleaning roller to rotate; the driven end of the other end of the cleaning roller can be rotatably arranged on the mounting structure arranged on the cleaning head shell. When the detachable electric driving device is required to be detached, the end cap of the end button assembly is only required to be pressed, the end cap pushes the telescopic cap of the end button assembly to retract, and the telescopic cap can be detached from the clamping position of the cleaning head shell, so that the detachable electric driving device is convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it will be apparent that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings by those skilled in the art without departing from the scope of the claimed application.

Figure 1 is a schematic view of the drum assembly of a cleaning machine equipped with a removable electric drive of the present application assembled to a cleaning head housing.

Fig. 2 is a schematic view of the hinge assembly of the detachable electric drive device of the present application assembled to the motor fixture.

Fig. 3 is a schematic view of the detachable electric drive device of the present application further installed on the basis of fig. 2.

Fig. 4 is a schematic view of the further installation of the drum assembly on the basis of fig. 3.

Figure 5 is a schematic view of the drum assembly mounted into the cleaner head housing after being sleeved on the removable electric drive.

Figure 6 is a perspective view of the drum assembly of the cleaning machine with which the removable electric drive of the present application is provided, after it has been mounted to the cleaning head housing.

Fig. 7 is a cross-sectional view taken along the direction a in fig. 2.

Fig. 8 is a partial enlarged view of F in fig. 7.

Fig. 9 is a sectional view taken along the direction B in fig. 6.

Fig. 10 is a partial enlarged view of G in fig. 9.

Fig. 11 is a partial enlarged view at H in fig. 9.

Fig. 12 is a cross-sectional view through the hub of the cleaning roller prior to being un-sleeved with the removable electric drive of the present application.

Fig. 13 is an exploded view of a scrub roller coupled to a removable electric drive of the present application.

Fig. 14 is a front view of the detachable electric drive device of the present application.

Fig. 15 is a cross-sectional view through the hub of the removable electric drive apparatus of the present application after assembly.

FIG. 16 is a schematic cross-sectional view of the detachable electric drive device of the present application sleeved with a hinge through the hub.

Fig. 17 is a perspective view of the detachable electric drive device and the hinge of the present application.

Fig. 18 is an exploded view of the detachable electric drive device of the present application.

Reference numerals illustrate:

100. a detachable electric drive device;

200. a cleaning machine;

201. a cleaning head housing;

1. an electric drive assembly; 1a, an electric terminal; 1b, rotating an output end;

10. a heat conduction protection cylinder;

11. a hinged end sealing plug; 111. a sealing plug sleeving part; 112. a sealing plug sealing part;

12. a driving motor;

13. a speed change device;

14. an output shaft; 141. an output end sealing plug;

15. an electrical connection;

202. a cleaning roller; 202A, driving a coupling end; 2021. an inner cylinder; 2022. an outer cylinder; 2023. a coupling section;

2011. a motor fixing part; 20111. a fixing part body; 20112. a joint accommodating chamber; 20113. a wire harness accommodation chamber; 20114. a pin hole; 20115. a hinge pin; 20116. an annular clearance step;

2012. a card interface;

2. a hinge;

21. a socket joint part; 22. a plug-in component; 23. a hinge part;

3. an end button assembly;

31. an end button mounting seat; 311. a first bearing;

32. an end button body; 321. the output shaft is sleeved with the end; 322. a clamping part;

33. an end cap; 331. an end cap stop;

34. a telescopic cap spring;

35. a telescoping cap;

36. limiting waist-shaped holes;

37. limit pins;

m, a third bearing;

and N, a driven gear.

The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The claims hereof are to be read in further detail with reference to specific embodiments and to the accompanying drawings, in which the embodiments described are only some, but not all embodiments of the application. Based on the embodiments of the present application, one of ordinary skill in the art would be able to devise all other embodiments that are obtained without inventive effort and that are within the scope of the present application.

It should be understood that, in the embodiments of the present application, all directional terms, such as "upper", "lower", "left", "right", "front", "rear", etc., are used for convenience in describing the present application only and are not intended to be limiting, since the directional terms, such as "upper", "lower", "left", "right", "front", "rear", etc., are based on the orientation, positional relationship shown in the drawings or the orientation or positional relationship in which the inventive product is conventionally put in use. Merely to explain the relative positional relationship, movement, etc. between the components shown in the drawings, the directional indication may be changed when the specific posture is changed.

Furthermore, ordinal words such as "first," "second," and the like in the description of the present application are used for distinguishing purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of technical features indicated. The features defining "first", "second" may be explicit or implicit and at least one of the features. In the description of the present application, the meaning of "plurality" means at least two, i.e., two or more, unless otherwise specifically defined; the meaning of "at least one" is one or more.

In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly, and may, for example, be defined as having a relatively fixed positional relationship between components, as having a physically fixed connection between components, as being detachably connected, or as a unitary structure; the connection can be mechanical connection or electric signal connection; can be directly connected or indirectly connected through intermediate media or components; the communication between two elements or the interaction relationship between two elements is not limited by the specification, and the specific meaning of the terms in the present application will be understood by those skilled in the art according to the specific circumstances except that the corresponding function or effect cannot be achieved when other understanding is made.

The application, if related to a controller, a control circuit is a control technology or a unit conventional to a person skilled in the art, and the control circuit of the controller can be implemented by a person skilled in the art by adopting existing, such as simple programming. The software or program for realizing the control result in cooperation with the hardware is used as the conventional technology of the prior art or the person skilled in the art if the description does not show the control process of the related software or program in detail. The power supply also adopts the prior art in the field, and the main technical point of the application is to improve the mechanical device, so the application does not describe specific circuit control relation and circuit connection in detail.

The disclosure of the present application provides many different embodiments or examples for implementing different structures of the application. In order to simplify the present disclosure, components and arrangements of specific examples are described herein. They are, of course, merely examples and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

The preferred embodiments of the present application will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present application only, and are not intended to limit the present application.

The following will describe the aspects of the present application in detail with reference to the accompanying drawings.

The application mainly solves the technical problem of providing a detachable electric driving device, and aims to solve the problems of troublesome disassembly and assembly in the maintenance process of the driving motor of the existing cleaning machine.

In order to solve the above-mentioned problems, referring to fig. 1 to 5 and 14 to 18, the present application provides a detachable electric driving device 100, the detachable electric driving device 100 includes: an electric drive assembly 1, a hinge 2 and a terminal button assembly 3; one end of the hinge member 2 is detachably and electrically connected with the power receiving end 1a of the electric driving assembly 1, and the other end of the hinge member is used for being hinged with a motor fixing part 2011 arranged at one end of the cleaning head shell 201; the end button assembly 3 comprises an input end (not shown) and a clamping end (not shown), the input end is coupled with the rotation output end 1b of the electric driving assembly 1, a part of the outer edge of the maximum diameter of the clamping end is used for driving the cleaning roller 202 of the cleaning machine 200 to rotate, a part of the outer edge of the end of the clamping end is sleeved with the driven gear N, the clamping end is rotationally connected with the other end of the cleaning head shell 201 and drives the driven gear N to rotate so as to drive the brush assembly (not shown) to rotate, and the clamping end has a movable stroke along the axial direction of the electric driving assembly 1.

It should be noted that, the electric driving assembly 1 may include a heat conductive protection shell 10, a driving motor 12, a speed change device 13, etc., the outer contour of the electric driving assembly 1 is not limited to a cylinder, but may also be a prismatic cylinder, for example, a hexagonal cylinder, the conductive portion of the hinge 2 may be a conductive pin, the electrical connection end 1a of the electric driving assembly 1 is correspondingly provided with a conductive jack and a conductive pin to be used in cooperation, and when the conductive portion of the hinge 2 is allowed to be also provided with a conductive clip, the electrical connection end 1a of the electric driving assembly 1 is correspondingly provided with a conductive connection column and a conductive clip to be used in cooperation. The coupling of the input end of the end button assembly 3 to the rotational output end 1b of the electric drive assembly 1 may be achieved by a coupling or by a key-pin fit. The output end of the end button assembly 3 may be configured into a fin shape, and the fin shape cooperates with the cleaning roller 202 to drive the cleaning roller 202 to rotate, and the clamping end may be configured with a compression spring and a limiting structure to realize the movable stroke along the axial direction of the electric driving assembly 1.

The application has the main beneficial effects that: according to the detachable electric driving device 100 provided by the application, the hinge 2 is detachably arranged at the power-receiving end 1a of the electric driving component 1 of the detachable electric driving device 100 and is hinged with the motor fixing part 2011 arranged at one end of the cleaning head shell 201 through the hinge 2, and the rotary output end 1b is provided with the end button component 3 with the axial movable stroke along the electric driving component 1 so as to drive the cleaning roller 202 to rotate the electric driving component 1; so that the cleaning machine 200 composed of the detachable electric driving device 100 can realize the motor disassembly and assembly by only pulling out the electric driving assembly 1 after pressing the end button assembly 3 when the cleaning machine 200 drives the motor 12 to repair and disassemble, and does not need to cut short motor leads and welded motor leads, and the repair, disassembly and assembly process is more convenient.

In an embodiment of the present application, as shown in fig. 2 to 3 and 15 to 17, the hinge 2 includes: a socket part 21, a plug 22 and a hinge part 23; the hinge piece sleeving part 21 is sleeved with the electric connection end 1a of the electric drive assembly 1; the electric connection plug 22 is arranged in the middle of the hinge member sleeving part 21 and is matched with the electric connection member 15 arranged at the electric connection end 1a of the electric drive assembly 1; the hinge part 23 is disposed at the back of the hinge sleeve part 21 and is used for hinging with the motor fixing part 2011.

It should be noted that the outer diameters of the hinge socket portion 21 and the hinge portion 23 may be the same or different, and the outer diameter of the hinge portion 23 is smaller than the outer diameter of the hinge socket portion 21 in this embodiment for convenience of installation. The hinge 2 is divided into the hinge sleeving part 21 and the hinge hinging part 23, so that the electric connection plug connector 22 arranged at the hinge sleeving part 21 can be well separated from the hinge area, the electric connection area of the electric connection plug connector 22 is prevented from being polluted by the hinge area in contact with the external connection, and the cleanliness of the electric connection area of the electric connection plug connector 22 is ensured to a certain extent.

In order to ensure the dustproof property of the interior of the electric drive assembly 1, as shown in fig. 3, 9, 11 and 15-16, the detachable electric drive device 100 further comprises a hinged end sealing plug 11, wherein the hinged end sealing plug 11 is mounted on the electric connection end 1a of the electric drive assembly 1; the electric connector 15 is arranged in the middle of the hinged end sealing plug 11. The arrangement of the hinged end sealing plug 11 not only facilitates the arrangement of the electric connector 15 at the electric connection end 1a of the electric drive assembly 1, but also can prevent dust from entering the electric drive assembly 1 from the electric connection end 1a of the tubular electric drive device. The material of the hinged end seal needs to be an insulating material, such as insulating rubber.

Specifically, in the embodiment of the present application, referring to fig. 3, 15 and 16, the hinged end sealing plug 11 includes a sealing plug sealing portion 111 and a sealing plug sleeving portion 112, the sealing plug sealing portion 111 is in sealing connection with the inner wall of the housing of the electric drive assembly 1, and the sealing plug sleeving portion 112 is sleeved with the hinge sleeving portion 21. The sealing connection can be threaded connection or bonding connection, and in the embodiment of the application, the threaded connection is adopted. The above arrangement of the hinge end sealing plug 11 facilitates the connection of the hinge 2 to the body of the electric drive assembly 1 and has a good coaxiality.

Specifically, in the embodiment of the present application, as shown in fig. 4, 10, and 14 to 17, the end knob assembly 3 includes: the end button mounting seat 31, the end button body 32, the end cap 33, the telescopic cap spring 34 and the telescopic cap 35; one end of the end button mounting seat 31 is mounted on the inner cylinder of the cleaning roller 202, and the middle part of the end button mounting seat is arranged in a penetrating way; the output shaft sleeve joint end 321 of the end button body 32 is in running fit with the middle part of the end button mounting seat 31 and is in transmission connection with the output shaft 14 of the electric drive assembly 1, the other end of the end button body 32 is provided with a containing end (not shown in the drawing), the periphery of the containing end is provided with a clamping part 322, and the clamping part 322 is used for driving the cleaning roller 202 of the cleaning machine 200 to rotate; one end of the telescopic cap 35 is sleeved at the accommodating end and is limited by a limiting structure between the accommodating end and the telescopic cap 35, the inner wall of the accommodating end is a cylindrical wall, one end of the telescopic cap 35 can have a certain movable stroke along the axial direction of the cylindrical wall, and the other end of the telescopic cap 35 is rotationally connected with the cleaning head shell 201; the telescopic cap spring 34 is clamped between the telescopic cap 35 and the output shaft sleeve end 321 so that the telescopic cap 35 extends out of the accommodating end, and the end cap 33 is fixedly connected to the outward end of the telescopic cap 35 through a screw (not shown in the drawing). When in use, the end button mounting seat 31 is driven to rotate by the output shaft 14 of the electric drive assembly 1, the end button mounting seat 31 drives the end button body 32 to rotate, and the clamping part 322 of the end button body 32 is clamped with the drive coupling end 202A at one end of the cleaning roller 202 of the cleaning machine 200 to drive the cleaning roller 202 to rotate; a driven end (not shown) of the other end of the inner cylinder of the cleaning roller 202 may be rotatably mounted to a mounting structure provided on the cleaning head housing 201, for example, may be rotatably mounted to an outer periphery of the motor fixing portion 2011. The locking portion 322 may be configured with a fin-shaped structure to match with a locking groove (not shown in the drawings) disposed on the inner cylinder of the cleaning roller 202. When the detachable electric driving device 100 needs to be detached, the end cap 33 can be detached from the clamping position of the cleaning head shell 201 only by pressing the end cap 33, so that the detachable electric driving device is convenient.

Specifically, in the embodiment of the present application, as shown in fig. 9, 10, 15 and 16, the limiting structure includes a limiting waist-shaped hole 36 and a limiting pin 37, the limiting waist-shaped hole 36 is opened on a side wall of the telescopic cap 35 along the telescopic direction of the telescopic cap 35, and the limiting pin 37 is inserted through the side wall of the sleeve-joint end 321 of the output shaft to limit the limiting waist-shaped hole 36. The cooperation setting of spacing pin 37 with spacing waist type hole 36 makes flexible cap 35 be difficult for popping out from cleaning head casing 201 and drops, has strengthened the reliability of flexible cap 35 when using.

In the embodiment of the present application, referring to fig. 9, 10, 15 and 16, the end cap 33 is fixedly connected to the outward end of the telescopic cap 35 by a screw (not shown). The outer peripheral wall of the end cap is provided with an end cap stop part 331, the end cap stop part 331 can limit the end cap 33, and the outer peripheral wall of the end cap is also provided with driving teeth (not shown in the drawing) for sleeving the inner ring of the driven gear N. When the end cap 33 pushes the telescopic cap 35 under the action of the elastic force of the telescopic cap spring 34 to drive the end cap 33 to be clamped into the clamping position of the cleaning head shell 201, the driving teeth on the peripheral wall of the end cap are sleeved into the inner ring of the driven gear N, and the driving motor 12 arranged in the electric driving assembly 1 drives the output shaft 14 to rotate when working, so as to drive the cleaning roller 202 to rotate and simultaneously drive the driven gear N to rotate so as to drive the brush assembly to rotate. The end cap 33 at the clamping end of the end button assembly 3 is partially sleeved with the driven gear N, the clamping end is clamped with the other side wall of the cleaning head shell and has an axial movable stroke along the electric driving assembly 1, the driven gear N drives the brush assembly to rotate, the installation space for arranging a motor for driving the brush assembly to rotate outside is further saved, and the noise of the cleaner during operation is further reduced.

In the embodiment of the present application, referring to fig. 9, 10, 15 and 16, the inner peripheral wall of the end button mounting seat 31 and the outer peripheral wall of the output shaft sleeved end 321 of the end button body 32 are rotatably connected by the first bearing 311, the inner peripheral wall of the end button mounting seat 31 is in transition fit with the outer ring of the first bearing 311, and the outer peripheral wall of the output shaft sleeved end 321 is in transition fit with the inner ring of the first bearing 311, so that the stability of the whole end button assembly 3 driven by the output shaft 14 in high-speed rotation can be increased, and the noise of the whole cleaner in operation can be reduced.

Specifically, in the embodiment of the present application, as shown in fig. 9, 14 to 18, the electric drive assembly 1 includes: the motor heat conduction protection cylinder 10, the driving motor 12, the speed changing device 13 and the output shaft 14 are accommodated in the motor heat conduction protection cylinder and are sequentially coupled. The motor heat conduction protection cylinder 10 is preferably made of metal, and the motor heat conduction protection cylinder 10 can be directly attached to the shell of the driving motor 12 or can be used for radiating heat of the motor heat conduction protection cylinder 10 to the shell of the driving motor 12 by filling gaps with heat conduction silicone grease. Each unit of the electric drive assembly 1 is accommodated in the motor heat conduction protection cylinder 10, so that each unit of the electric drive assembly 1 is well guaranteed to be not easy to be polluted by dust and water vapor, and the reliability of each unit of the electric drive assembly 1 is improved.

In the embodiment of the present application, as shown in fig. 10, 15, 16, and 18, the inner wall of the motor heat-conducting protection cylinder 10 is provided with an output end sealing plug 141 at a position corresponding to the outer periphery of the output shaft 14. The provision of the output sealing plug 141 further ensures the dust-proof properties of the electric drive assembly 1.

In a second aspect, the embodiment of the present application further provides a cleaning machine 200, where the cleaning machine 200 includes a cleaning head housing 201, a cleaning roller 202, and the detachable electric driving device 100 according to the first aspect, the cleaning head housing 201 has a motor fixing portion 2011, and is hinged to the first end of the hinge 2, and the second end of the hinge 2 is detachably and electrically connected to the power receiving end 1a of the electric driving assembly 1; the cleaning roller 202 is driven to rotate by the rotation output end 1b of the end knob assembly 3. Since the cleaning machine 200 adopts all the technical solutions of the detachable electric driving device 100 described above, corresponding technical effects are achieved, and further details are omitted.

Specifically, in the embodiment of the present application, as shown in fig. 6 to 9, the motor fixing portion 2011 includes a fixing portion body 20111, and a joint accommodating cavity 20112 and a wire harness accommodating cavity 20113 that are provided on the fixing portion body 20111, a pin hole 20114 is provided on a side wall of the joint accommodating cavity 20112, so as to be engaged with the hinge pin 20115 and hinge the corresponding hinge 2, and the wire harness accommodating cavity 20113 is used for passing a wire harness led out by the hinge 2.

Specifically, in the embodiment of the present application, referring to fig. 1 to 5, 8, 11, and 14 to 17, the fixing portion body 20111 is provided with an annular clearance table 20116 at a position corresponding to the pin hole 20114. The arrangement of the annular clearance step 20116 enables the hinge position of the fixed part body 20111 and the hinge 2 to have a larger movable space, so that inconvenience in rotation when the fixed part body 20111 and the hinge 2 are hinged and rotated when the detachable electric driving device 100 is detached is avoided, and the convenience in detachment is improved.

Specifically, in the embodiment of the present application, as shown in fig. 9, 11, 15, 16 and 18, the inner cylinder of the cleaning roller 202 is located at one end of the hinge 2 and is rotatably connected with the outer periphery of the motor fixing portion 2011 through the third bearing M, the inner circumferential wall of the cleaning roller 202 is in transition fit with the outer ring of the third bearing M, and the outer circumferential wall of the motor fixing portion 2011 is in transition fit with the inner ring of the third bearing M, so that the stability of the entire cleaning roller 202 driven by the output shaft 14 in high-speed rotation can be increased, and the noise of the entire cleaner in operation can be reduced. The inner cylinder of the cleaning roller 202 is positioned at one end of the hinge piece 2 and is in external turnover connection with the hinge part 23, and the outer turnover connection is connected with the end button assembly 3, so that the large-space rotation support of the inner cylinder of the cleaning roller 202 is realized, radial runout generated in the rotation process of the inner cylinder of the cleaning roller 202 is reduced to the maximum extent, and the small noise of equipment operation is ensured.

In the embodiment of the present application, as shown in fig. 4 and 5, a clamping interface 2012 is provided on the cleaning head housing 201 at a position corresponding to the clamping end of the end button assembly 3, and a wear ring (not shown in the drawings) is provided inside the clamping interface 2012. The wear-resistant ring reduces the abrasion of the clamping interface 2012 to the clamping end of the end button assembly 3.

In an embodiment of the present application, referring to fig. 12 and 13, the cleaning roller 202 includes an inner cylinder 2021, an outer cylinder 2022, and a coupling portion 2023; the inner cylinder and the outer cylinder can mutually slide along the axial direction to be detached and separated, the coupling part 2023 is arranged at one end of the inner cylinder 2021, and the coupling part 2023 and the inner cylinder 2021 are in interference fit or adhesion; the outer periphery of the outer tub 2022 is covered with a sponge layer (not shown in the drawing) for scrubbing the surface to be cleaned. The inner cylinder 2021 and the outer cylinder 2022 are provided with mutually matched regular grooves (not shown in the drawing), the regular grooves have regular shapes such as V-shaped, T-shaped, I-shaped, L-shaped, M-shaped, H-shaped, P-shaped and the like, relative sliding cannot occur between the inner cylinder 2021 and the outer cylinder 2022 along the tangential direction of the outer edge of the cleaning roller 202, the inner cylinder 2021 rotates with the outer cylinder 2022 synchronously, and during working, the end button assembly 3 drives the coupling part 2023 to rotate, and further drives the outer cylinder 2022 to rotate through the inner cylinder 2021, so that a wiping layer of the outer cylinder 2022 scrubs the surface to be cleaned.

The coupling portion 2023 is disposed at one end of the inner cylinder 2021, the coupling portion 2023 is in interference fit or adhesion with the inner cylinder 2021, so that sliding and rotation between the two are not easy to occur, the coupling portion 2023 is coupled with the clamping portion 322 of the end button body 32, and when the end button body 32 rotates, the coupling portion 2023 is driven to rotate synchronously, so that the whole cleaning roller 202 is driven to rotate. The coupling portion 2023 is disposed at one end of the inner cylinder 2021, so that the external rotation driving mechanism can be conveniently coupled to one end of the cleaning roller 202 to drive the whole cleaning roller 202 to rotate.

The cleaning roller 202 is worn out to a certain extent after a period of time due to the fact that the wiping layer on the outer surface is worn out, when the degree of wear seriously affects the cleaning efficiency, the outer cylinder 2022 of the cleaning roller 202 needs to be replaced, the inner cylinder 2021 and the outer cylinder 2022 can be quickly detached, maintenance cost of a user when the cleaning roller 202 is replaced is reduced, only the outer cylinder 2022 with the wiping layer needs to be replaced, the inner cylinder 2021 and the outer cylinder 2022 can be axially slid mutually to be detached, convenience and replacement efficiency of replacing the outer cylinder 2022 are improved, user experience is improved, and difficulty of self-replacing the outer cylinder 2022 by the user is reduced.

In the embodiment of the present application, referring to fig. 12 and 13, the cleaning roller 202 includes a driving coupling end 202A and a driven end, wherein the driving coupling end 202A is coupled to the end knob assembly 3 through the coupling portion 2023, and the driven end is rotatably connected to the hinge member 2 through the third bearing M. This increases the stability of the entire cleaning roller 202 driven by the end button assembly 3 in high-speed rotation and also reduces the noise of the entire cleaner in operation. The inner cylinder 2021 of the cleaning roller 202 is positioned at one end of the hinge member 2 and is in external turnover connection with the hinge member 2, so that the inner cylinder 2021 of the cleaning roller 202 is rotatably supported at a larger interval together with the end button assembly 3, radial runout generated in the rotation process of the inner cylinder 2021 of the cleaning roller 202 is reduced to the greatest extent, and smaller noise of equipment operation is ensured.

The foregoing has outlined rather broadly the more detailed description of embodiments of the application in order that the detailed description of the principles and embodiments of the application may be implemented in conjunction with the detailed description of embodiments of the application that follows. Meanwhile, based on the idea of the present application, those skilled in the art can make changes or modifications on the specific embodiments and application scope of the present application, which belong to the protection scope of the present application. In view of the foregoing, this description should not be construed as limiting the application.

Claims (15)

1. A removable electric drive assembly mounted between opposite sidewalls of a cleaner head housing for driving rotation of a cleaner roller and brush assembly, comprising: "

The electric driving assembly comprises an electric connection end and a rotation output end, and the rotation output end is provided with an output shaft;

one end of the hinge component is detachably and electrically connected with the power-on end, and the other end of the hinge component is hinged with a motor fixing part on one side wall of the cleaning head shell; "

The end button assembly comprises an input end and a clamping end, the input end is coupled with the output shaft, a part of the outer edge of the maximum diameter of the clamping end is coupled with the cleaning roller and drives the cleaning roller to rotate, a part of the outer edge of the end of the clamping end is sleeved with a driven gear which drives the brush assembly to rotate, and the clamping end is clamped with the other side wall of the cleaning head shell and has a movable stroke along the axial direction of the electric driving assembly; "

Wherein the electric drive assembly is rapidly separable from the hinge at the power receiving end.

2. The detachable electric drive of claim 1, wherein said hinge comprises: "

The sleeving part is sleeved with the power-on end of the electric driving assembly; "

The plug-in component is arranged in the middle of the sleeving part of the hinge component and is matched with the electric connecting component arranged at the electric connecting end; "

And the hinge part is arranged at the back of the sleeving part and is used for being hinged with the motor fixing part.

3. The removable electrical drive of claim 2, further comprising a hinged end seal plug mounted to the electrical terminal, the electrical connector extending through a middle portion of the hinged end seal plug.

4. A removable electrical drive as claimed in claim 3 wherein the hinged end sealing plug comprises a sealing plug sealing portion and a sealing plug socket portion, the sealing plug sealing portion being sealingly connected to the housing inner wall of the electrical drive assembly, the sealing plug socket portion being socket-connected to the socket portion.

5. The detachable electric drive of claim 1 wherein said electric drive assembly further comprises: the heat conduction protection cylinder, the driving motor and the speed changing device are accommodated in the heat conduction protection cylinder, and the driving motor, the speed changing device and the output shaft are sequentially coupled in the heat conduction protection cylinder.

6. The detachable electric drive unit of claim 5 wherein said thermally conductive protective cylinder inner wall is provided with an output end sealing plug at a location corresponding to the periphery of said output shaft.

7. The detachable electric drive of claim 6 wherein said end button assembly comprises: "

One end of the end button mounting seat is sleeved on the periphery of the output shaft and detachably connected with the output end sealing plug, and the outer edge of the other end of the end button mounting seat is clamped on the opening at the end part of the heat conduction protection cylinder; "

The middle part of the end button body is arranged in a penetrating way and comprises an output shaft sleeving end and an accommodating end, the sleeving end is sleeved and arranged at the rotating end of the output shaft, the inner wall of the accommodating end is sleeved and connected with the outer wall of one end of the clamping end, and the periphery of the accommodating end is provided with a clamping part for driving the cleaning roller to rotate; "

One end of the telescopic cap is sleeved on the inner wall of the accommodating end and is limited by a limiting structure between the inner wall of the accommodating end and the telescopic cap; "

The telescopic cap spring is clamped between the telescopic cap and the end wall of the accommodating end of the end button body so that the end cap extends out of the sleeved end of the output shaft; "

And one end of the end cap is sleeved at the end part of the telescopic cap, the other end of the end cap is sleeved at the inner ring of the driven gear, and the driven gear is rotatably clamped at one side wall of the cleaning head shell.

8. The detachable electric drive of claim 7 wherein the limit structure comprises a limit waist-shaped hole and a limit pin, the limit waist-shaped hole is formed in the side wall of the end cap along the extension direction of the end cap, and the limit pin is arranged on the side wall of the sleeved end of the output shaft in a penetrating manner so as to limit the limit waist-shaped hole.

9. The detachable electric drive of claim 7 wherein said button body socket end periphery is provided with a first bearing, said first bearing inner race is in transition fit with said button body socket end periphery, and said first bearing outer race is in transition fit with said button mount.

10. A cleaning machine comprising a cleaning head housing, a cleaning roller and a removable electric drive according to any one of claims 1 to 9; "

A motor fixing part is arranged on one side wall of the cleaning head shell and hinged with one end of the hinge piece, and the other end of the hinge piece is detachably and electrically connected with the power-receiving end of the electric drive assembly; "

The cleaning roller is driven to rotate by the clamping end of the end button assembly.

11. The cleaning machine of claim 10, wherein the motor fixing portion includes a fixing portion body, and a hinge head accommodating cavity and a wire harness accommodating cavity which are formed in the fixing portion body, wherein a pin hole is formed in a side wall of the hinge head accommodating cavity, the pin hole is used for being matched with a hinge pin to hinge the corresponding hinge member, and the wire harness accommodating cavity is used for allowing a wire harness led out by the hinge member to pass through.

12. The cleaning machine of claim 11 wherein said fixed portion body has an annular clearance step at a location corresponding to said pin hole.

13. The cleaning machine of claim 10 wherein the outer edge of the hinge portion of the hinge member is provided with a bearing mounting step for mounting a third bearing, the inner race of the third bearing is in transition fit with the bearing mounting step, and the inner wall of the cleaning roller at the second end of the hinge member is in transition fit with the outer race of the third bearing.

14. The cleaning machine of claim 10 wherein said cleaning roller comprises an inner cylinder, an outer cylinder, and a coupling; the inner cylinder and the outer cylinder can slide mutually, be disassembled and separated, the coupling part is arranged at one end of the inner cylinder, and the coupling part and the inner cylinder are in interference fit or adhesion; the outer edge of the outer cylinder is coated with a sponge layer which can wipe the surface to be cleaned.

15. The cleaning machine of claim 14 wherein said cleaning roller includes a drive coupling end coupled to said end button assembly by said coupling portion and a driven end rotatably connected to said hinge by said third bearing.